void JitArm64::mcrxr(UGeckoInstruction inst) { INSTRUCTION_START JITDISABLE(bJITSystemRegistersOff); ARM64Reg WA = gpr.GetReg(); ARM64Reg XA = EncodeRegTo64(WA); ARM64Reg WB = gpr.GetReg(); ARM64Reg XB = EncodeRegTo64(WB); // Copy XER[0-3] into CR[inst.CRFD] LDRB(INDEX_UNSIGNED, WA, PPC_REG, PPCSTATE_OFF(xer_ca)); LDRB(INDEX_UNSIGNED, WB, PPC_REG, PPCSTATE_OFF(xer_so_ov)); // [0 SO OV CA] ADD(WA, WA, WB, ArithOption(WB, ST_LSL, 2)); // [SO OV CA 0] << 3 LSL(WA, WA, 4); MOVP2R(XB, m_crTable); LDR(XB, XB, XA); STR(INDEX_UNSIGNED, XB, PPC_REG, PPCSTATE_OFF(cr_val[inst.CRFD])); // Clear XER[0-3] STRB(INDEX_UNSIGNED, WZR, PPC_REG, PPCSTATE_OFF(xer_ca)); STRB(INDEX_UNSIGNED, WZR, PPC_REG, PPCSTATE_OFF(xer_so_ov)); gpr.Unlock(WA, WB); }
void GGLAssembler::build_fog( component_t& temp, // incomming fragment / output int component, Scratch& regs) { if (mInfo[component].fog) { Scratch scratches(registerFile()); comment("fog"); integer_t fragment(temp.reg, temp.h, temp.flags); if (!(temp.flags & CORRUPTIBLE)) { temp.reg = regs.obtain(); temp.flags |= CORRUPTIBLE; } integer_t fogColor(scratches.obtain(), 8, CORRUPTIBLE); LDRB(AL, fogColor.reg, mBuilderContext.Rctx, immed12_pre(GGL_OFFSETOF(state.fog.color[component]))); integer_t factor(scratches.obtain(), 16, CORRUPTIBLE); CONTEXT_LOAD(factor.reg, generated_vars.f); // clamp fog factor (TODO: see if there is a way to guarantee // we won't overflow, when setting the iterators) BIC(AL, 0, factor.reg, factor.reg, reg_imm(factor.reg, ASR, 31)); CMP(AL, factor.reg, imm( 0x10000 )); MOV(HS, 0, factor.reg, imm( 0x10000 )); build_blendFOneMinusF(temp, factor, fragment, fogColor); } }
void JitArm::UnsafeLoadToReg(ARMReg dest, ARMReg addr, int accessSize, s32 offsetReg, s32 offset) { ARMReg rA = gpr.GetReg(); if (offsetReg == -1) { MOVI2R(rA, offset, false); // -3 ADD(addr, addr, rA); // - 1 } else { NOP(2); // -3, -2 // offsetReg is preloaded here ADD(addr, addr, gpr.R(offsetReg)); // -1 } // All this gets replaced on backpatch Operand2 mask(2, 1); // ~(Memory::MEMVIEW32_MASK) BIC(addr, addr, mask); // 1 MOVI2R(rA, (u32)Memory::base, false); // 2-3 ADD(addr, addr, rA); // 4 switch (accessSize) { case 32: LDR(dest, addr); // 5 break; case 16: LDRH(dest, addr); break; case 8: LDRB(dest, addr); break; } switch (accessSize) { case 32: REV(dest, dest); // 6 break; case 16: REV16(dest, dest); break; case 8: NOP(1); break; } NOP(2); // 7-8 gpr.Unlock(rA); }
void GGLAssembler::load(const pointer_t& addr, const pixel_t& s, uint32_t flags) { Scratch scratches(registerFile()); int s0; const int bits = addr.size; const int inc = (flags & WRITE_BACK)?1:0; switch (bits) { case 32: if (inc) LDR(AL, s.reg, addr.reg, immed12_post(4)); else LDR(AL, s.reg, addr.reg); break; case 24: // 24 bits formats are a little special and used only for RGB // R,G,B is packed as 0x00BBGGRR s0 = scratches.obtain(); if (s.reg != addr.reg) { LDRB(AL, s.reg, addr.reg, immed12_pre(0)); // R LDRB(AL, s0, addr.reg, immed12_pre(1)); // G ORR(AL, 0, s.reg, s.reg, reg_imm(s0, LSL, 8)); LDRB(AL, s0, addr.reg, immed12_pre(2)); // B ORR(AL, 0, s.reg, s.reg, reg_imm(s0, LSL, 16)); } else { int s1 = scratches.obtain(); LDRB(AL, s1, addr.reg, immed12_pre(0)); // R LDRB(AL, s0, addr.reg, immed12_pre(1)); // G ORR(AL, 0, s1, s1, reg_imm(s0, LSL, 8)); LDRB(AL, s0, addr.reg, immed12_pre(2)); // B ORR(AL, 0, s.reg, s1, reg_imm(s0, LSL, 16)); } if (inc) ADD(AL, 0, addr.reg, addr.reg, imm(3)); break; case 16: if (inc) LDRH(AL, s.reg, addr.reg, immed8_post(2)); else LDRH(AL, s.reg, addr.reg); break; case 8: if (inc) LDRB(AL, s.reg, addr.reg, immed12_post(1)); else LDRB(AL, s.reg, addr.reg); break; } }
void JitArm64::mfspr(UGeckoInstruction inst) { INSTRUCTION_START JITDISABLE(bJITSystemRegistersOff); u32 iIndex = (inst.SPRU << 5) | (inst.SPRL & 0x1F); int d = inst.RD; switch (iIndex) { case SPR_TL: case SPR_TU: { ARM64Reg WA = gpr.GetReg(); ARM64Reg WB = gpr.GetReg(); ARM64Reg XA = EncodeRegTo64(WA); ARM64Reg XB = EncodeRegTo64(WB); // An inline implementation of CoreTiming::GetFakeTimeBase, since in timer-heavy games the // cost of calling out to C for this is actually significant. MOVI2R(XA, (u64)&CoreTiming::globalTimer); LDR(INDEX_UNSIGNED, XA, XA, 0); MOVI2R(XB, (u64)&CoreTiming::fakeTBStartTicks); LDR(INDEX_UNSIGNED, XB, XB, 0); SUB(XA, XA, XB); // It might seem convenient to correct the timer for the block position here for even more accurate // timing, but as of currently, this can break games. If we end up reading a time *after* the time // at which an interrupt was supposed to occur, e.g. because we're 100 cycles into a block with only // 50 downcount remaining, some games don't function correctly, such as Karaoke Party Revolution, // which won't get past the loading screen. // a / 12 = (a * 0xAAAAAAAAAAAAAAAB) >> 67 ORR(XB, SP, 1, 60); ADD(XB, XB, 1); UMULH(XA, XA, XB); MOVI2R(XB, (u64)&CoreTiming::fakeTBStartValue); LDR(INDEX_UNSIGNED, XB, XB, 0); ADD(XA, XB, XA, ArithOption(XA, ST_LSR, 3)); STR(INDEX_UNSIGNED, XA, X29, PPCSTATE_OFF(spr[SPR_TL])); if (MergeAllowedNextInstructions(1)) { const UGeckoInstruction& next = js.op[1].inst; // Two calls of TU/TL next to each other are extremely common in typical usage, so merge them // if we can. u32 nextIndex = (next.SPRU << 5) | (next.SPRL & 0x1F); // Be careful; the actual opcode is for mftb (371), not mfspr (339) int n = next.RD; if (next.OPCD == 31 && next.SUBOP10 == 371 && (nextIndex == SPR_TU || nextIndex == SPR_TL) && n != d) { js.downcountAmount++; js.skipInstructions = 1; gpr.BindToRegister(d, false); gpr.BindToRegister(n, false); if (iIndex == SPR_TL) MOV(gpr.R(d), WA); else ORR(EncodeRegTo64(gpr.R(d)), SP, XA, ArithOption(XA, ST_LSR, 32)); if (nextIndex == SPR_TL) MOV(gpr.R(n), WA); else ORR(EncodeRegTo64(gpr.R(n)), SP, XA, ArithOption(XA, ST_LSR, 32)); gpr.Unlock(WA, WB); break; } } gpr.BindToRegister(d, false); if (iIndex == SPR_TU) ORR(EncodeRegTo64(gpr.R(d)), SP, XA, ArithOption(XA, ST_LSR, 32)); else MOV(gpr.R(d), WA); gpr.Unlock(WA, WB); } break; case SPR_XER: { gpr.BindToRegister(d, false); ARM64Reg RD = gpr.R(d); ARM64Reg WA = gpr.GetReg(); LDRH(INDEX_UNSIGNED, RD, X29, PPCSTATE_OFF(xer_stringctrl)); LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca)); ORR(RD, RD, WA, ArithOption(WA, ST_LSL, XER_CA_SHIFT)); LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_so_ov)); ORR(RD, RD, WA, ArithOption(WA, ST_LSL, XER_OV_SHIFT)); gpr.Unlock(WA); } break; case SPR_WPAR: case SPR_DEC: FALLBACK_IF(true); default: gpr.BindToRegister(d, false); ARM64Reg RD = gpr.R(d); LDR(INDEX_UNSIGNED, RD, X29, PPCSTATE_OFF(spr) + iIndex * 4); break; } }
int GGLAssembler::scanline_core(const needs_t& needs, context_t const* c) { int64_t duration = ggl_system_time(); mBlendFactorCached = 0; mBlending = 0; mMasking = 0; mAA = GGL_READ_NEEDS(P_AA, needs.p); mDithering = GGL_READ_NEEDS(P_DITHER, needs.p); mAlphaTest = GGL_READ_NEEDS(P_ALPHA_TEST, needs.p) + GGL_NEVER; mDepthTest = GGL_READ_NEEDS(P_DEPTH_TEST, needs.p) + GGL_NEVER; mFog = GGL_READ_NEEDS(P_FOG, needs.p) != 0; mSmooth = GGL_READ_NEEDS(SHADE, needs.n) != 0; mBuilderContext.needs = needs; mBuilderContext.c = c; mBuilderContext.Rctx = reserveReg(R0); // context always in R0 mCbFormat = c->formats[ GGL_READ_NEEDS(CB_FORMAT, needs.n) ]; // ------------------------------------------------------------------------ decodeLogicOpNeeds(needs); decodeTMUNeeds(needs, c); mBlendSrc = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_SRC, needs.n)); mBlendDst = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_DST, needs.n)); mBlendSrcA = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_SRCA, needs.n)); mBlendDstA = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_DSTA, needs.n)); if (!mCbFormat.c[GGLFormat::ALPHA].h) { if ((mBlendSrc == GGL_ONE_MINUS_DST_ALPHA) || (mBlendSrc == GGL_DST_ALPHA)) { mBlendSrc = GGL_ONE; } if ((mBlendSrcA == GGL_ONE_MINUS_DST_ALPHA) || (mBlendSrcA == GGL_DST_ALPHA)) { mBlendSrcA = GGL_ONE; } if ((mBlendDst == GGL_ONE_MINUS_DST_ALPHA) || (mBlendDst == GGL_DST_ALPHA)) { mBlendDst = GGL_ONE; } if ((mBlendDstA == GGL_ONE_MINUS_DST_ALPHA) || (mBlendDstA == GGL_DST_ALPHA)) { mBlendDstA = GGL_ONE; } } // if we need the framebuffer, read it now const int blending = blending_codes(mBlendSrc, mBlendDst) | blending_codes(mBlendSrcA, mBlendDstA); // XXX: handle special cases, destination not modified... if ((mBlendSrc==GGL_ZERO) && (mBlendSrcA==GGL_ZERO) && (mBlendDst==GGL_ONE) && (mBlendDstA==GGL_ONE)) { // Destination unmodified (beware of logic ops) } else if ((mBlendSrc==GGL_ZERO) && (mBlendSrcA==GGL_ZERO) && (mBlendDst==GGL_ZERO) && (mBlendDstA==GGL_ZERO)) { // Destination is zero (beware of logic ops) } int fbComponents = 0; const int masking = GGL_READ_NEEDS(MASK_ARGB, needs.n); for (int i=0 ; i<4 ; i++) { const int mask = 1<<i; component_info_t& info = mInfo[i]; int fs = i==GGLFormat::ALPHA ? mBlendSrcA : mBlendSrc; int fd = i==GGLFormat::ALPHA ? mBlendDstA : mBlendDst; if (fs==GGL_SRC_ALPHA_SATURATE && i==GGLFormat::ALPHA) fs = GGL_ONE; info.masked = !!(masking & mask); info.inDest = !info.masked && mCbFormat.c[i].h && ((mLogicOp & LOGIC_OP_SRC) || (!mLogicOp)); if (mCbFormat.components >= GGL_LUMINANCE && (i==GGLFormat::GREEN || i==GGLFormat::BLUE)) { info.inDest = false; } info.needed = (i==GGLFormat::ALPHA) && (isAlphaSourceNeeded() || mAlphaTest != GGL_ALWAYS); info.replaced = !!(mTextureMachine.replaced & mask); info.iterated = (!info.replaced && (info.inDest || info.needed)); info.smooth = mSmooth && info.iterated; info.fog = mFog && info.inDest && (i != GGLFormat::ALPHA); info.blend = (fs != int(GGL_ONE)) || (fd > int(GGL_ZERO)); mBlending |= (info.blend ? mask : 0); mMasking |= (mCbFormat.c[i].h && info.masked) ? mask : 0; fbComponents |= mCbFormat.c[i].h ? mask : 0; } mAllMasked = (mMasking == fbComponents); if (mAllMasked) { mDithering = 0; } fragment_parts_t parts; // ------------------------------------------------------------------------ prolog(); // ------------------------------------------------------------------------ build_scanline_prolog(parts, needs); if (registerFile().status()) return registerFile().status(); // ------------------------------------------------------------------------ label("fragment_loop"); // ------------------------------------------------------------------------ { Scratch regs(registerFile()); if (mDithering) { // update the dither index. MOV(AL, 0, parts.count.reg, reg_imm(parts.count.reg, ROR, GGL_DITHER_ORDER_SHIFT)); ADD(AL, 0, parts.count.reg, parts.count.reg, imm( 1 << (32 - GGL_DITHER_ORDER_SHIFT))); MOV(AL, 0, parts.count.reg, reg_imm(parts.count.reg, ROR, 32 - GGL_DITHER_ORDER_SHIFT)); } // XXX: could we do an early alpha-test here in some cases? // It would probaly be used only with smooth-alpha and no texture // (or no alpha component in the texture). // Early z-test if (mAlphaTest==GGL_ALWAYS) { build_depth_test(parts, Z_TEST|Z_WRITE); } else { // we cannot do the z-write here, because // it might be killed by the alpha-test later build_depth_test(parts, Z_TEST); } { // texture coordinates Scratch scratches(registerFile()); // texel generation build_textures(parts, regs); if (registerFile().status()) return registerFile().status(); } if ((blending & (FACTOR_DST|BLEND_DST)) || (mMasking && !mAllMasked) || (mLogicOp & LOGIC_OP_DST)) { // blending / logic_op / masking need the framebuffer mDstPixel.setTo(regs.obtain(), &mCbFormat); // load the framebuffer pixel comment("fetch color-buffer"); load(parts.cbPtr, mDstPixel); } if (registerFile().status()) return registerFile().status(); pixel_t pixel; int directTex = mTextureMachine.directTexture; if (directTex | parts.packed) { // note: we can't have both here // iterated color or direct texture pixel = directTex ? parts.texel[directTex-1] : parts.iterated; pixel.flags &= ~CORRUPTIBLE; } else { if (mDithering) { const int ctxtReg = mBuilderContext.Rctx; const int mask = GGL_DITHER_SIZE-1; parts.dither = reg_t(regs.obtain()); AND(AL, 0, parts.dither.reg, parts.count.reg, imm(mask)); ADDR_ADD(AL, 0, parts.dither.reg, ctxtReg, parts.dither.reg); LDRB(AL, parts.dither.reg, parts.dither.reg, immed12_pre(GGL_OFFSETOF(ditherMatrix))); } // allocate a register for the resulting pixel pixel.setTo(regs.obtain(), &mCbFormat, FIRST); build_component(pixel, parts, GGLFormat::ALPHA, regs); if (mAlphaTest!=GGL_ALWAYS) { // only handle the z-write part here. We know z-test // was successful, as well as alpha-test. build_depth_test(parts, Z_WRITE); } build_component(pixel, parts, GGLFormat::RED, regs); build_component(pixel, parts, GGLFormat::GREEN, regs); build_component(pixel, parts, GGLFormat::BLUE, regs); pixel.flags |= CORRUPTIBLE; } if (registerFile().status()) return registerFile().status(); if (pixel.reg == -1) { // be defensive here. if we're here it's probably // that this whole fragment is a no-op. pixel = mDstPixel; } if (!mAllMasked) { // logic operation build_logic_op(pixel, regs); // masking build_masking(pixel, regs); comment("store"); store(parts.cbPtr, pixel, WRITE_BACK); } } if (registerFile().status()) return registerFile().status(); // update the iterated color... if (parts.reload != 3) { build_smooth_shade(parts); } // update iterated z build_iterate_z(parts); // update iterated fog build_iterate_f(parts); SUB(AL, S, parts.count.reg, parts.count.reg, imm(1<<16)); B(PL, "fragment_loop"); label("epilog"); epilog(registerFile().touched()); if ((mAlphaTest!=GGL_ALWAYS) || (mDepthTest!=GGL_ALWAYS)) { if (mDepthTest!=GGL_ALWAYS) { label("discard_before_textures"); build_iterate_texture_coordinates(parts); } label("discard_after_textures"); build_smooth_shade(parts); build_iterate_z(parts); build_iterate_f(parts); if (!mAllMasked) { ADDR_ADD(AL, 0, parts.cbPtr.reg, parts.cbPtr.reg, imm(parts.cbPtr.size>>3)); } SUB(AL, S, parts.count.reg, parts.count.reg, imm(1<<16)); B(PL, "fragment_loop"); epilog(registerFile().touched()); }
void decodeInstruction(instruction_t instruction,uint32_t *registro,flags_t *bandera, uint8_t *SRAM, uint16_t *codificacion, char **Flash) { int i; *codificacion=0; // valor incial // comparar el mnemonic con el nombre de cada una de las funciones, y asi ejecutar la adecuada if( strcmp(instruction.mnemonic,"LDR") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { *codificacion=(13<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; instruction.op3_value<<=2; if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000)) { LDR(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,SRAM); } if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000) { } if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read); } } if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='#')) { *codificacion=(19<<11)+(instruction.op1_value<<8)+instruction.op3_value; instruction.op3_value<<=2; if(((*(registro+13)+instruction.op3_value)>=0x20000000)&&((*(registro+13)+instruction.op3_value)<0x40000000)) { LDR(registro+instruction.op1_value,*(registro+13),instruction.op3_value,SRAM); } if((*(registro+13)+instruction.op3_value)<0x20000000) { } if((*(registro+13)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+13)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read); } } if((instruction.op1_type=='R') && (instruction.op2_type=='P') && (instruction.op3_type=='#')) // label { *codificacion=(9<<11)+(instruction.op1_value<<8)+instruction.op3_value; instruction.op3_value<<=2; if(((*(registro+15)+instruction.op3_value)>=0x20000000)&&((*(registro+15)+instruction.op3_value)<0x40000000)) { LDR(registro+instruction.op1_value,*(registro+15),instruction.op3_value,SRAM); } if((*(registro+15)+instruction.op3_value)<0x20000000) { } if((*(registro+15)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+15)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read); } } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { *codificacion=(11<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { LDR(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read); } } registro[15]++; } if( strcmp(instruction.mnemonic,"LDRB") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { *codificacion=(15<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000)) { LDRB(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,SRAM); } if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000) { } if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000) { uint8_t data; IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,&data,Read); *(registro+instruction.op1_value)= (uint32_t)data; } } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { *codificacion=(1<<14)+(7<<10)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { LDRB(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { uint8_t data; IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,&data,Read); *(registro+instruction.op1_value)=(uint32_t) data; } } registro[15]++; } if( strcmp(instruction.mnemonic,"LDRH") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { *codificacion=(1<<15)+(1<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; instruction.op3_value<<=1; if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000)) { LDRH(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,SRAM); } if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000) { } if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Read); } } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { *codificacion=(5<<12)+(5<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { LDRH(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read); } registro[15]++; } if( strcmp(instruction.mnemonic,"LDRSB") ==0) { *codificacion=(5<<12)+(3<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { LDRSB(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read); } registro[15]++; } if( strcmp(instruction.mnemonic,"LDRSH") ==0) { *codificacion=(5<<12)+(7<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { LDRSH(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Read); } registro[15]++; } if( strcmp(instruction.mnemonic,"STR") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { *codificacion=(3<<13)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; instruction.op3_value<<=2; if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000)) { STR(*(registro+instruction.op1_value),*(registro+instruction.op2_value),instruction.op3_value,SRAM); } if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000) { } if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Write); } } if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='#')) { *codificacion=(9<<12)+(instruction.op1_value<<8)+instruction.op3_type; instruction.op3_value<<=2; if(((*(registro+13)+instruction.op3_value)>=0x20000000)&&((*(registro+13)+instruction.op3_value)<0x40000000)) { STR(*(registro+instruction.op1_value),*(registro+13),instruction.op3_value,SRAM); } if((*(registro+13)+instruction.op3_value)<0x20000000) { } if((*(registro+13)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+13)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Write); } } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { *codificacion=(5<<12)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { STR(*(registro+instruction.op1_value),*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Write); } } registro[15]++; } if( strcmp(instruction.mnemonic,"STRB") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { *codificacion=(7<<12)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000)) { STRB(*(registro+instruction.op1_value),*(registro+instruction.op2_value),instruction.op3_value,SRAM); } if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000) { } if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000) { uint8_t data; data=(uint8_t)(*(registro+instruction.op1_value)); IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,&data,Write); } } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { *codificacion=(21<<10)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { STRB(*(registro+instruction.op1_value),*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { uint8_t data; data=(uint8_t)(*(registro+instruction.op1_value)); IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,&data,Write); } } registro[15]++; } if( strcmp(instruction.mnemonic,"STRH") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { *codificacion=(1<<15)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; instruction.op3_value<<=1; if(((*(registro+instruction.op2_value)+instruction.op3_value)>=0x20000000)&&((*(registro+instruction.op2_value)+instruction.op3_value)<0x40000000)) { STRH(*(registro+instruction.op1_value),*(registro+instruction.op2_value),instruction.op3_value,SRAM); } if((*(registro+instruction.op2_value)+instruction.op3_value)<0x20000000) { } if((*(registro+instruction.op2_value)+instruction.op3_value)>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+instruction.op3_value)&0xFF,registro+instruction.op1_value,Write); } } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { *codificacion=(5<<12)+(1<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; if(((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x20000000)&&((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x40000000)) { STRH(*(registro+instruction.op1_value),*(registro+instruction.op2_value),*(registro+instruction.op3_value),SRAM); } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))<0x20000000) { } if((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))>=0x40000000) { //IOAccess((*(registro+instruction.op2_value)+*(registro+instruction.op3_value))&0xFF,registro+instruction.op1_value,Write); } } registro[15]++; } if( strcmp(instruction.mnemonic,"PUSH") ==0) { for(i=0;i<8;i++) { *codificacion+=(instruction.registers_list[i]<<i); } *codificacion+=(11<<12)+(1<<10)+(instruction.registers_list[14]<<8); PUSH(registro,SRAM,&instruction.registers_list[0]); registro[15]++; } if( strcmp(instruction.mnemonic,"POP") ==0) { for(i=0;i<8;i++) { *codificacion+=(instruction.registers_list[i]<<i); } *codificacion=(11<<12)+(3<<10)+(instruction.registers_list[15]<<8); POP(registro,SRAM,&instruction.registers_list[0]); registro[15]++; } if( strcmp(instruction.mnemonic,"ADCS") ==0) { *codificacion=(1<<14)+(5<<6)+(instruction.op2_value<<3)+instruction.op1_value; ADCS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"ADD") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R')) { ADD(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value)); *codificacion=(1<<14)+(1<<10)+(instruction.op2_value<<3)+((8&instruction.op1_value)<<4)+(7&instruction.op1_value); } if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='#')) { ADD(registro+instruction.op1_value,*(registro+13),instruction.op2_value); *codificacion=(21<<11)+(instruction.op1_value<<8)+instruction.op3_value; } if((instruction.op1_type=='S') && (instruction.op2_type=='S') && (instruction.op3_type=='#')) { ADD(registro+13,*(registro+13),instruction.op3_value); *codificacion=(11<<12)+instruction.op3_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='S') && (instruction.op3_type=='R')) { ADD(registro+instruction.op1_value,*(registro+13),*(registro+instruction.op3_value)); *codificacion=(1<<14)+(1<<10)+(13<<3)+((8&instruction.op1_value)<<4)+(7&instruction.op1_value); } if((instruction.op1_type=='S') && (instruction.op2_type=='R')) { ADD(registro+13,*(registro+13),*(registro+instruction.op2_value)); *codificacion=(1<<14)+(9<<7)+5+(instruction.op2_value<<3); } registro[15]++; } if( strcmp(instruction.mnemonic,"ADDS") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { ADDS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera); *codificacion=(7<<10)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='#')) { ADDS(registro+instruction.op1_value,*(registro+instruction.op1_value),instruction.op2_value,bandera); *codificacion=(3<<12)+(instruction.op1_value<<8)+instruction.op2_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { ADDS(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value), bandera); *codificacion=(3<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } registro[15]++; } // los parametros de las demas funciones aritmeticas, de desplazamiento y logicas son similares if( strcmp(instruction.mnemonic,"ANDS") ==0) { *codificacion=(1<<14)+(instruction.op2_value<<3)+instruction.op1_value; ANDS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"ASRS") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R')) { ASRS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); *codificacion=(1<<14)+(1<<8)+(instruction.op2_value<<3)+instruction.op1_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { ASRS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera); *codificacion=(1<<12)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"BICS") ==0) { *codificacion=(1<<14)+(14<<6)+(instruction.op2_value<<3)+instruction.op1_value; BICS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"CMN") ==0) { *codificacion=(1<<14)+(11<6)+(instruction.op2_value<<3)+instruction.op1_value; CMN(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // En diferencia a las demas funciones, se envian como parametros 2 valores registro[15]++; } if( strcmp(instruction.mnemonic,"CMP") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R')) { if(instruction.op1_value>=8) { CMP(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // En diferencia a las demas funciones, se envian como parametros 2 valores *codificacion=(1<<14)+(5<<8)+(instruction.op2_value<<3)+(7&instruction.op1_value)+((8&instruction.op1_value)<<4); } else { CMP(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // En diferencia a las demas funciones, se envian como parametros 2 valores *codificacion=(1<<14)+(10<<6)+(instruction.op2_value<<3)+instruction.op1_value; } } if((instruction.op1_type=='R') && (instruction.op2_type=='#')) { CMP(*(registro+instruction.op1_value),instruction.op2_value, bandera); // Como parametros se tienen el contenido de un registro y un valor *codificacion=(5<<11)+(instruction.op1_value<<8)+instruction.op2_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"EORS") ==0) { *codificacion=(1<<14)+(1<<6)+(instruction.op2_value<<3)+instruction.op1_value; EORS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value),bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"LSLS") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R')) { LSLS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); *codificacion=(1<<14)+(1<<7)+(instruction.op2_value<<3)+instruction.op1_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { LSLS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera); *codificacion=(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"LSRS") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R')) { LSRS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); *codificacion=(1<<14)+(3<<6)+(instruction.op2_value<<3)+instruction.op1_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { LSRS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera); *codificacion=(1<<11)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"MOV") ==0) { *codificacion=(1<<14)+(3<<9)+(instruction.op2_value<<3)+(7&instruction.op1_value)+((8&instruction.op1_value)<<4); MOV(registro+instruction.op1_value,*(registro+instruction.op2_value)); // Envio como parametros una direccion y el contenido de un registro registro[15]++; } if( strcmp(instruction.mnemonic,"MOVS") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='#')) { MOVS(registro+instruction.op1_value,instruction.op2_value, bandera); *codificacion=(1<<13)+(instruction.op1_value<<8)+instruction.op2_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='R')) { MOVS(registro+instruction.op1_value,*(registro+instruction.op2_value),bandera); *codificacion=(instruction.op2_value<<3)+instruction.op1_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"MULS") ==0) { *codificacion=(1<<14)+(13<<6)+(instruction.op2_value<<3)+instruction.op3_value; MULS(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"MVNS") ==0) { *codificacion=(1<<14)+(15<<6)+(instruction.op2_value<<3)+instruction.op1_value; RSBS(registro+instruction.op1_value,*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"NOP") ==0) { *codificacion=(11<<12)+(15<<8); registro[15]++; } if( strcmp(instruction.mnemonic,"ORRS") ==0) { *codificacion=(1<<14)+(3<<8)+(instruction.op2_value<<3)+instruction.op1_value; ORRS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"REV") ==0) { *codificacion=(11<<12)+(5<<9)+(instruction.op2_value<<3)+instruction.op1_value; REV(registro+instruction.op1_value, *(registro+instruction.op2_value)); registro[15]++; } if( strcmp(instruction.mnemonic,"REV16") ==0) { *codificacion=(11<<12)+(5<<9)+(1<<6)+(instruction.op2_value<<3)+instruction.op1_value; REV16(registro+instruction.op1_value,*(registro+instruction.op2_value)); registro[15]++; } if( strcmp(instruction.mnemonic,"REVSH") ==0) { *codificacion=(11<<12)+(5<<9)+(3<<6)+(instruction.op2_value<<3)+instruction.op1_value; REVSH(registro+instruction.op1_value,*(registro+instruction.op2_value)); registro[15]++; } if( strcmp(instruction.mnemonic,"RORS") ==0) { *codificacion=(1<<14)+(7<<6)+(instruction.op2_value<<3)+instruction.op1_value; RORS(registro+instruction.op1_value,*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"RSBS") ==0) { *codificacion=(1<<14)+(9<<6)+(instruction.op2_value<<3)+instruction.op1_value; RSBS(registro+instruction.op1_value,*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"SBCS") ==0) { *codificacion=(1<<14)+(3<<7)+(instruction.op2_value<<3)+instruction.op1_value; SBCS(registro+instruction.op1_value,*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); registro[15]++; } if( strcmp(instruction.mnemonic,"SUB") ==0) { if((instruction.op1_type=='S') && (instruction.op2_type=='S') && (instruction.op3_type=='#')) { SUB(registro+13,*(registro+13),instruction.op3_value); *codificacion=(11<<12)+(1<<7)+instruction.op3_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"SUBS") ==0) { if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='#')) { SUBS(registro+instruction.op1_value,*(registro+instruction.op2_value),instruction.op3_value,bandera); *codificacion=(15<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='#')) { SUBS(registro+instruction.op1_value,*(registro+instruction.op1_value),instruction.op2_value,bandera); *codificacion=(7<<11)+(instruction.op1_value<<8)+instruction.op2_value; } if((instruction.op1_type=='R') && (instruction.op2_type=='R') && (instruction.op3_type=='R')) { SUBS(registro+instruction.op1_value,*(registro+instruction.op2_value),*(registro+instruction.op3_value), bandera); *codificacion=(13<<9)+(instruction.op3_value<<6)+(instruction.op2_value<<3)+instruction.op1_value; } registro[15]++; } if( strcmp(instruction.mnemonic,"TST") ==0) { *codificacion=(1<<14)+(1<<9)+(instruction.op2_value<<3)+instruction.op1_value; TST(*(registro+instruction.op1_value),*(registro+instruction.op2_value), bandera); // Como parametros se tienen el contenido de un registro y un valor registro[15]++; } // Las siguientes funciones, son funciones de saltos if( strcmp(instruction.mnemonic,"B") ==0) { *codificacion=(7<<13)+instruction.op1_value; B(registro,instruction.op1_value); // Envio como parametroa la direccion de registro y el valor del salto } if( strcmp(instruction.mnemonic,"BL") ==0) { *codificacion=(31<<11)+(2047&instruction.op1_value); BL(registro,instruction.op1_value); // Envio como parametroa la direccion de registro y el valor del salto } if( strcmp(instruction.mnemonic,"BLX") ==0) { *codificacion=(1<<14)+(15<<7)+(instruction.op1_value<<3); BLX(registro,*(registro+instruction.op1_value)); // Envio como parametroa la direccion de registro y el contenido de un registro } if( strcmp(instruction.mnemonic,"BX") ==0) { *codificacion=(1<<14)+(14<<7)+(instruction.op1_value<<3); if(instruction.op1_type=='L') // Sucede cuando { BX(registro,registro[14]); // PC=LR } if(instruction.op1_type=='R') // Sucede cuando se tiene como parametro un registro diferente a LR { BX(registro,*(registro+instruction.op1_value)); } } if( strcmp(instruction.mnemonic,"BEQ") ==0) { *codificacion=(13<<12)+instruction.op1_value; BEQ(registro,instruction.op1_value,*bandera); // Envio como parametros la direccion de registro, el valor del salto y las banderas } // Todas las siguientes funciones de salto tienen los mismos parametro que BEQ if( strcmp(instruction.mnemonic,"BNE") ==0) { *codificacion=(13<<12)+(1<<8)+instruction.op1_value; BNE(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BCS") ==0) { *codificacion=(13<<12)+(2<<8)+instruction.op1_value; BCS(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BCC") ==0) { *codificacion=(13<<12)+(3<<8)+instruction.op1_value; BCC(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BMI") ==0) { *codificacion=(13<<12)+(4<<8)+instruction.op1_value; BMI(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BPL") ==0) { *codificacion=(13<<12)+(5<<8)+instruction.op1_value; BPL(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BVS") ==0) { *codificacion=(13<<12)+(6<<8)+instruction.op1_value; BVS(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BVC") ==0) { *codificacion=(13<<12)+(7<<8)+instruction.op1_value; BVC(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BHI") ==0) { *codificacion=(13<<12)+(8<<8)+instruction.op1_value; BHI(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BLS") ==0) { *codificacion=(13<<12)+(9<<8)+instruction.op1_value; BLS(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BGE") ==0) { *codificacion=(13<<12)+(10<<8)+instruction.op1_value; BGE(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BLT") ==0) { *codificacion=(13<<12)+(11<<8)+instruction.op1_value; BLT(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BGT") ==0) { *codificacion=(13<<12)+(12<<8)+instruction.op1_value; BGT(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BLE") ==0) { *codificacion=(13<<12)+(13<<8)+instruction.op1_value; BLE(registro,instruction.op1_value,*bandera); } if( strcmp(instruction.mnemonic,"BAL") ==0) { *codificacion=(13<<12)+(14<<8)+instruction.op1_value; BAL(registro,instruction.op1_value,*bandera); } }
void decodeInstruction(instruction_t instruction, uint32_t *dir_reg, char *dir_flags, uint8_t *SRAM, uint16_t *dec) { uint8_t *R_activos=instruction.registers_list; /* Comparacion de mnemonic y Llamado de las funciones */ if( strcmp(instruction.mnemonic,"ADC") == 0 || strcmp(instruction.mnemonic,"ADCS") == 0){ dir_reg[PC]++; *dec=16704; *dec=*dec|instruction.op3_value<<3|instruction.op1_value; dir_reg[instruction.op1_value]=ADC(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); } if( strcmp(instruction.mnemonic,"ADDS") == 0 || strcmp(instruction.mnemonic,"ADD") == 0){ dir_reg[PC]++; if(instruction.op2_type=='S'){ *dec=45056; dir_reg[SP]=ADD(dir_reg[SP],instruction.op3_value,dir_flags); *dec=*dec|instruction.op3_value;} else if(instruction.op3_type=='#'){ *dec=7168; *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value; dir_reg[instruction.op1_value]=ADD(dir_reg[instruction.op2_value], instruction.op3_value,dir_flags); mvprintw(4,20,"%X",*dec);} else{ *dec=6144; *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value; dir_reg[instruction.op1_value]=ADD(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);} } if( strcmp(instruction.mnemonic,"AND") == 0 || strcmp(instruction.mnemonic,"ANDS") == 0){ dir_reg[PC]++; *dec=16384; if(instruction.op3_type=='#'){ dir_reg[instruction.op1_value]=AND(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);} else dir_reg[instruction.op1_value]=AND(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); } if( strcmp(instruction.mnemonic,"ASR") == 0 || strcmp(instruction.mnemonic,"ASRS") == 0){ dir_reg[PC]++; if(instruction.op3_type=='#'){ *dec=4096; *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value; dir_reg[instruction.op1_value]=ASR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);} else{ *dec=16640; *dec=*dec|instruction.op3_value<<3|instruction.op1_value; dir_reg[instruction.op1_value]=ASR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags);} } if( strcmp(instruction.mnemonic,"BICS") == 0 || strcmp(instruction.mnemonic,"BICS") == 0){ dir_reg[PC]++; if(instruction.op3_type=='#') dir_reg[instruction.op1_value]=BIC(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags); else{ *dec=17280; dir_reg[instruction.op1_value]=BIC(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op3_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"CMN" ) == 0 || strcmp(instruction.mnemonic,"CMNS") == 0){ dir_reg[PC]++; CMN(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value],dir_flags); *dec=17088; *dec=*dec|instruction.op2_value<<3|instruction.op1_value; mvprintw(4,20,"%X",*dec); } if( strcmp(instruction.mnemonic,"CMP") == 0 || strcmp(instruction.mnemonic,"CMPS") == 0){ dir_reg[PC]++; CMP(dir_reg[instruction.op1_value],dir_reg[instruction.op2_value],dir_flags); *dec=17024; *dec=*dec|instruction.op2_value<<3|instruction.op1_value; mvprintw(4,20,"%X",*dec); } if( strcmp(instruction.mnemonic,"EOR") == 0 || strcmp(instruction.mnemonic,"EORS") == 0){ dir_reg[PC]++; *dec=16448; if(instruction.op3_type=='#') dir_reg[instruction.op1_value]=EOR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags); else dir_reg[instruction.op1_value]=EOR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); } if( strcmp(instruction.mnemonic,"LSLS") == 0 || strcmp(instruction.mnemonic,"LSL") == 0){ dir_reg[PC]++; if(instruction.op3_type=='#'){ *dec=0; dir_reg[instruction.op1_value]=LSL(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=16512; dir_reg[instruction.op1_value]=LSL(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op3_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"LSRS") == 0 || strcmp(instruction.mnemonic,"LSR") == 0){ dir_reg[PC]++; if(instruction.op3_type=='#'){ *dec=2048; dir_reg[instruction.op1_value]=LSR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=16576; dir_reg[instruction.op1_value]=LSR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op3_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"MOV") == 0 || strcmp(instruction.mnemonic,"MOVS") == 0){ dir_reg[PC]++; if(instruction.op2_type=='#'){ *dec=8192; dir_reg[instruction.op1_value]=MOV(instruction.op2_value,dir_flags); *dec=*dec|instruction.op1_value<<8|instruction.op2_value;} else{ *dec=0; dir_reg[instruction.op1_value]=MOV(dir_reg[instruction.op2_value],dir_flags); *dec=*dec|instruction.op2_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"MUL") == 0 || strcmp(instruction.mnemonic,"MULS") == 0){ dir_reg[PC]++; *dec=17216; if(instruction.op3_type=='#'){ dir_reg[instruction.op1_value]=MUL(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);} else{ dir_reg[instruction.op1_value]=MUL(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op2_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"MVN") == 0 || strcmp(instruction.mnemonic,"MVNS") == 0){ dir_reg[PC]++; *dec=17344; dir_reg[instruction.op1_value]=MVN(dir_reg[instruction.op2_value], dir_flags); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"ORR") == 0 || strcmp(instruction.mnemonic,"ORRS") == 0){ dir_reg[PC]++; *dec=17152; if(instruction.op3_type=='#'){ dir_reg[instruction.op1_value]=ORR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);} else{ dir_reg[instruction.op1_value]=ORR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op3_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"REV") == 0 || strcmp(instruction.mnemonic,"REVS") == 0){ dir_reg[PC]++; *dec=47616; dir_reg[instruction.op1_value]=REV(dir_reg[instruction.op2_value]); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"REVG") == 0 || strcmp(instruction.mnemonic,"REVGS") == 0){ dir_reg[PC]++; *dec=47680; dir_reg[instruction.op1_value]=REVG(dir_reg[instruction.op2_value]); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"REVSH") == 0 || strcmp(instruction.mnemonic,"REVSHS") == 0){ dir_reg[PC]++; *dec=47808; dir_reg[instruction.op1_value]=REVSH(dir_reg[instruction.op2_value]); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"ROR") == 0 || strcmp(instruction.mnemonic,"RORS") == 0){ dir_reg[PC]++; *dec=16832; if(instruction.op3_type=='#'){ dir_reg[instruction.op1_value]=ROR(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags);} else{ dir_reg[instruction.op1_value]=ROR(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op3_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"RSB") == 0 || strcmp(instruction.mnemonic,"RSBS") == 0){ dir_reg[PC]++; *dec=16690; dir_reg[instruction.op1_value]=RSB(dir_reg[instruction.op2_value], dir_flags); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"SBC") == 0 || strcmp(instruction.mnemonic,"SBCS") == 0){ dir_reg[PC]++; *dec=16768; SBC(dir_reg[instruction.op1_value],dir_reg[instruction.op2_value], dir_flags); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"SUBS") == 0 || strcmp(instruction.mnemonic,"SUB") == 0){ dir_reg[PC]++; if(instruction.op2_type=='S'){ *dec=45184; dir_reg[SP]=SUB(dir_reg[SP],instruction.op3_value,dir_flags); *dec=*dec|instruction.op3_value;} else if(instruction.op3_type=='#'){ *dec=7680; dir_reg[instruction.op1_value]=SUB(dir_reg[instruction.op2_value],instruction.op3_value,dir_flags); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=6656; dir_reg[instruction.op1_value]=SUB(dir_reg[instruction.op2_value],dir_reg[instruction.op3_value],dir_flags); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } if( strcmp(instruction.mnemonic,"TST") == 0 || strcmp(instruction.mnemonic,"TSTS") == 0){ dir_reg[PC]++; *dec=16896; TST(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], dir_flags); *dec=*dec|instruction.op2_value<<3|instruction.op1_value; } if( strcmp(instruction.mnemonic,"NOP") == 0 ){ NOP(dir_reg); *dec=48896; } if( strcmp(instruction.mnemonic,"B") == 0 ){ *dec=57344; *dec=*dec|instruction.op1_value; B(instruction.op1_value, dir_reg); } if( strcmp(instruction.mnemonic,"BL") == 0 ){ *dec=0; BL(instruction.op1_value, dir_reg); } if( strcmp(instruction.mnemonic,"BX") == 0 ){ *dec=18176; BX(dir_reg); } if( strcmp(instruction.mnemonic,"BEQ") == 0 ){ *dec=0; BEQ(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BNE") == 0 ){ *dec=0; BNE(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BCS") == 0 ){ *dec=0; BCS(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BCC") == 0 ){ *dec=0; BCC(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BMI") == 0 ){ *dec=0; BMI(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BPL") == 0 ){ *dec=0; BPL(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BVS") == 0 ){ *dec=0; BVS(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BVC") == 0 ){ *dec=0; BVC(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BHI") == 0 ){ *dec=0; BHI(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BLS") == 0 ){ *dec=0; BLS(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BGE") == 0 ){ *dec=0; BGE(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BLT") == 0 ){ *dec=0; BLT(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BGT") == 0 ){ *dec=0; BGT(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BLE") == 0 ){ *dec=0; BLE(instruction.op1_value, dir_reg, dir_flags); } if( strcmp(instruction.mnemonic,"BAL") == 0 ){ *dec=0; BAL(instruction.op1_value, dir_reg); } if(strcmp(instruction.mnemonic,"PUSH")==0){ dir_reg[PC]++; *dec=46080; PUSH(SRAM, dir_reg,R_activos); } if(strcmp(instruction.mnemonic,"POP")==0){ dir_reg[PC]++; *dec=48128; POP(SRAM,dir_reg,R_activos); } data=(uint8_t)dir_reg[instruction.op1_value]; if(strcmp(instruction.mnemonic,"LDR")==0){ dir_reg[PC]++; if(instruction.op2_type=='=' && instruction.op3_type=='N'){ *dec=0; dir_reg[instruction.op1_value]=instruction.op2_value;} else if(instruction.op2_type=='S'){ *dec=38912; dir_reg[instruction.op1_value]=LDR(dir_reg[SP], instruction.op3_value<<2, SRAM); *dec=*dec|instruction.op3_value|instruction.op1_value<<8;} else if(instruction.op3_type=='#' || instruction.op3_type=='N'){ *dec=26624; if((dir_reg[instruction.op2_value]+(instruction.op3_value<<2))>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<2)), &data,Read); else dir_reg[instruction.op1_value]=LDR(dir_reg[instruction.op2_value], instruction.op3_value<<2, SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value|instruction.op1_value;} else{ *dec=22528; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read); else dir_reg[instruction.op1_value]=LDR(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } if(strcmp(instruction.mnemonic,"LDRB")==0){ dir_reg[PC]++; if(instruction.op3_type=='#' || instruction.op3_type=='N'){ *dec=30720; if((dir_reg[instruction.op2_value]+instruction.op3_value)>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+instruction.op3_value), &data,Read); else dir_reg[instruction.op1_value]=LDRB(dir_reg[instruction.op2_value], instruction.op3_value, SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=23552; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read); else dir_reg[instruction.op1_value]=LDRB(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } if(strcmp(instruction.mnemonic,"LDRH")==0){ dir_reg[PC]++; if(instruction.op3_type=='#' || instruction.op3_type=='N'){ *dec=34816; if((dir_reg[instruction.op2_value]+(instruction.op3_value<<1))>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<1)), &data,Read); else dir_reg[instruction.op1_value]=LDRH(dir_reg[instruction.op2_value], instruction.op3_value<<1, SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=23040; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read); else dir_reg[instruction.op1_value]=LDRH(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } if(strcmp(instruction.mnemonic,"LDRSB")==0){ dir_reg[PC]++; *dec=22016; *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read); else dir_reg[instruction.op1_value]=LDRSB(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM); } if(strcmp(instruction.mnemonic,"LDRSH")==0){ dir_reg[PC]++; *dec=24064; *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value]), &data,Read); else dir_reg[instruction.op1_value]=LDRSH(dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM); } if(strcmp(instruction.mnemonic,"STR")==0){ dir_reg[PC]++; if(instruction.op2_type=='S'){ *dec=38912; STR(dir_reg[instruction.op1_value],dir_reg[SP], instruction.op3_value<<2, SRAM); *dec=*dec|instruction.op3_value|instruction.op1_value<<8;} else if(instruction.op3_type=='#' || instruction.op3_type=='N'){ *dec=24576; if((dir_reg[instruction.op2_value]+(instruction.op3_value<<2))>=0x40000000){ IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<2)), &data,Write);} else{ STR(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], instruction.op3_value<<2, SRAM);} *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value; mvprintw(1,3,"Hola");} else{ *dec=20480; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op2_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(dir_reg[instruction.op3_value])), &data,Write); else{ STR(dir_reg[instruction.op1_value], instruction.op2_value, instruction.op3_value, SRAM);} *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } if(strcmp(instruction.mnemonic,"STRB")==0){ dir_reg[PC]++; if(instruction.op3_type=='#' || instruction.op3_type=='N'){ *dec=28672; if(dir_reg[instruction.op2_value]+instruction.op3_value>=0x40000000){ IOAccess((uint8_t)(dir_reg[instruction.op2_value]+instruction.op3_value), &data,Write);} else{ STRB(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], instruction.op3_value, SRAM);} *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=21504; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000){ IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(dir_reg[instruction.op3_value])), &data,Write);} else{ STRB(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM);} *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } if(strcmp(instruction.mnemonic,"STRH")==0){ dir_reg[PC]++; if(instruction.op3_type=='#' || instruction.op3_type=='N'){ *dec=32768; if(((dir_reg[instruction.op2_value])+(instruction.op3_value<<1))>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(instruction.op3_value<<1)),&data,Write); else STRH(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], instruction.op3_value<<1, SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} else{ *dec=20992; if((dir_reg[instruction.op2_value]+dir_reg[instruction.op3_value])>=0x40000000) IOAccess((uint8_t)(dir_reg[instruction.op2_value]+(dir_reg[instruction.op3_value])), &data,Write); else STRH(dir_reg[instruction.op1_value], dir_reg[instruction.op2_value], dir_reg[instruction.op3_value], SRAM); *dec=*dec|instruction.op3_value<<6|instruction.op2_value<<3|instruction.op1_value;} } }