void m58846_device::execute_one()
{
// handle one opcode
switch (m_op & 0x1f0)
{
case 0x30: op_sey(); break;
case 0x70: op_sp(); break;
case 0xa0: op_a(); break;
case 0xb0: op_la(); break;
case 0xc0: case 0xd0: case 0xe0: case 0xf0: op_lxy(); break;
default:
switch (m_op & 0x1fc)
{
case 0x20: op_szb(); break;
case 0x4c: op_sb(); break;
case 0x58: op_szk(); break;
case 0x5c: op_rb(); break;
case 0x60: op_xam(); break;
case 0x64: op_tam(); break;
case 0x68: op_xamd(); break;
case 0x6c: op_xami(); break;
default:
switch (m_op)
{
case 0x06: case 0x07: op_su(); break;
case 0x40: case 0x41: op_lcps(); break;
case 0x4a: case 0x4b: op_lz(); break;
case 0x54: case 0x55: op_ias(); break;
case 0x00: op_nop(); break;
case 0x01: op_ba(); break;
case 0x02: op_iny(); break;
case 0x03: op_dey(); break;
case 0x04: op_di(); break;
case 0x05: op_ei(); break;
case 0x09: op_tabe(); break; // undocumented
case 0x0a: op_am(); break;
case 0x0b: op_ose(); break;
case 0x0c: op_tya(); break;
case 0x0f: op_cma(); break;
case 0x10: op_cls(); break;
case 0x11: op_clds(); break;
case 0x13: op_cld(); break;
case 0x14: op_rd(); break;
case 0x15: op_sd(); break;
case 0x16: op_tepa(); break;
case 0x17: op_ospa(); break;
case 0x18: op_rl(); break; // undocumented
case 0x19: op_rr(); break; // undocumented
case 0x1a: op_teab(); break;
case 0x1b: op_osab(); break;
case 0x1c: op_tba(); break;
case 0x1d: op_tay(); break;
case 0x1e: op_tab(); break;
case 0x26: op_seam(); break;
case 0x2b: op_szd(); break;
case 0x2f: op_szc(); break;
case 0x43: op_amc(); break;
case 0x44: op_rt(); break;
case 0x45: op_rts(); break;
case 0x46: op_rti(); break;
case 0x48: op_rc(); break;
case 0x49: op_sc(); break;
case 0x53: op_amcs(); break;
case 0x57: op_iak(); break;
case 0x81: op_ofa(); break;
case 0x82: op_snz1(); break;
case 0x83: op_snz2(); break;
case 0x84: op_oga(); break;
case 0x85: op_t2ab(); break;
case 0x86: op_tva(); break;
case 0x8a: op_tab2(); break;
case 0x8c: op_iaf(); break;
default:
melps4_cpu_device::execute_one();
break;
}
break; // 0x1ff
}
break; // 0x1fc
} // big switch
}
void sm511_device::execute_one()
{
switch (m_op & 0xf0)
{
case 0x20: op_lax(); break;
case 0x30: op_adx(); break;
case 0x40: op_lb(); break;
case 0x70: op_tl(); break;
case 0x80: case 0x90: case 0xa0: case 0xb0:
op_t(); break;
case 0xc0: case 0xd0: case 0xe0: case 0xf0:
op_tm(); break;
default:
switch (m_op & 0xfc)
{
case 0x04: op_rm(); break;
case 0x0c: op_sm(); break;
case 0x10: op_exc(); break;
case 0x14: op_exci(); break;
case 0x18: op_lda(); break;
case 0x1c: op_excd(); break;
case 0x54: op_tmi(); break;
case 0x68: op_tml(); break;
default:
switch (m_op)
{
case 0x00: op_rot(); break;
// case 0x01: op_xxx(); break; // ?
case 0x02: op_sbm(); break;
case 0x03: op_atpl(); break;
case 0x08: op_add(); break;
case 0x09: op_add11(); break;
case 0x0a: op_coma(); break;
case 0x0b: op_exbla(); break;
case 0x50: op_kta(); break;
case 0x51: op_tb(); break;
case 0x52: op_tc(); break;
case 0x53: op_tam(); break;
case 0x58: op_tis(); break;
case 0x59: op_atl(); break;
case 0x5a: op_ta0(); break;
case 0x5b: op_tabl(); break;
case 0x5c: op_atx(); break;
// case 0x5d: op_cend(); break;
case 0x5e: op_tal(); break;
case 0x5f: op_lbl(); break;
case 0x61: op_pre(); break;
case 0x62: op_wr(); break;
case 0x63: op_ws(); break;
case 0x64: op_incb(); break;
// case 0x65: op_idiv(); break;
case 0x66: op_rc(); break;
case 0x67: op_sc(); break;
case 0x6c: op_decb(); break;
case 0x6d: op_ptw(); break;
case 0x6e: op_rtn0(); break;
case 0x6f: op_rtn1(); break;
// extended opcodes
case 0x60:
m_op = m_op << 8 | m_param;
switch (m_param)
{
case 0x30: op_rme(); break;
case 0x31: op_sme(); break;
case 0x32: op_tmel(); break;
case 0x33: op_atfc(); break;
case 0x34: op_bdc(); break;
case 0x35: op_atbp(); break;
default: op_illegal(); break;
}
break; // 0x60
default: op_illegal(); break;
}
break; // 0xff
}
break; // 0xfc
} // big switch
}
void sm510_device::execute_one()
{
switch (m_op & 0xf0)
{
case 0x20: op_lax(); break;
case 0x30: op_adx(); break;
case 0x40: op_lb(); break;
case 0x80: case 0x90: case 0xa0: case 0xb0:
op_t(); break;
case 0xc0: case 0xd0: case 0xe0: case 0xf0:
op_tm(); break;
default:
switch (m_op & 0xfc)
{
case 0x04: op_rm(); break;
case 0x0c: op_sm(); break;
case 0x10: op_exc(); break;
case 0x14: op_exci(); break;
case 0x18: op_lda(); break;
case 0x1c: op_excd(); break;
case 0x54: op_tmi(); break;
case 0x70: case 0x74: case 0x78: op_tl(); break;
case 0x7c: op_tml(); break;
default:
switch (m_op)
{
case 0x00: op_skip(); break;
case 0x01: op_atbp(); break;
case 0x02: op_sbm(); break;
case 0x03: op_atpl(); break;
case 0x08: op_add(); break;
case 0x09: op_add11(); break;
case 0x0a: op_coma(); break;
case 0x0b: op_exbla(); break;
case 0x51: op_tb(); break;
case 0x52: op_tc(); break;
case 0x53: op_tam(); break;
case 0x58: op_tis(); break;
case 0x59: op_atl(); break;
case 0x5a: op_ta0(); break;
case 0x5b: op_tabl(); break;
case 0x5d: op_cend(); break;
case 0x5e: op_tal(); break;
case 0x5f: op_lbl(); break;
case 0x60: op_atfc(); break;
case 0x61: op_atr(); break;
case 0x62: op_wr(); break;
case 0x63: op_ws(); break;
case 0x64: op_incb(); break;
case 0x65: op_idiv(); break;
case 0x66: op_rc(); break;
case 0x67: op_sc(); break;
case 0x68: op_tf1(); break;
case 0x69: op_tf4(); break;
case 0x6a: op_kta(); break;
case 0x6b: op_rot(); break;
case 0x6c: op_decb(); break;
case 0x6d: op_bdc(); break;
case 0x6e: op_rtn0(); break;
case 0x6f: op_rtn1(); break;
default: op_illegal(); break;
}
break; // 0xff
}
break; // 0xfc
} // big switch
// BM high bit is only valid for 1 step
m_sbm = (m_op == 0x02);
}
void kb1013vk12_device::execute_one()
{
switch (m_op & 0xf0)
{
case 0x20: op_lax(); break; // LC
case 0x30: op_adx(); break; // AS/A10
case 0x40: op_lb(); break; // LAS
case 0x70: op_ssr(); break; // LP
case 0x80: case 0x90: case 0xa0: case 0xb0:
op_t(); break; // BR (LP+this=JMP)
case 0xc0: case 0xd0: case 0xe0: case 0xf0:
op_trs(); break; // CBR/CZP (LP+this=CAL)
default:
switch (m_op & 0xfc)
{
case 0x04: op_rm(); break; // BM0
case 0x0c: op_sm(); break; // BM1
case 0x10: op_exc(); break; // XM/XE
case 0x14: op_exci(); break; // XI/XEI
case 0x18: op_lda(); break; // LE
case 0x1c: op_excd(); break; // XD/XED
case 0x54: op_tmi(); break; // SM1
default:
switch (m_op)
{
case 0x00: op_skip(); break; // NOP
case 0x01: op_atr(); break; // OAR
case 0x02: op_bs1(); break; // *BS1
case 0x03: op_atbp(); break;
case 0x08: op_add(); break; // AM
case 0x09: op_add11(); break; // AC
case 0x0a: op_coma(); break; // COM
case 0x0b: op_exbla(); break; // XL
case 0x50: op_tal(); break; // SI1
case 0x51: op_tb(); break; // SI0
case 0x52: op_tc(); break; // SCO
case 0x53: op_tam(); break; // SAM
case 0x58: op_tis(); break; // TIM
case 0x59: op_ptw(); break;
case 0x5a: op_ta0(); break; // SAO
case 0x5b: op_tabl(); break; // SAL
case 0x5c: op_tw(); break;
case 0x5d: op_dtw(); break;
case 0x5f: op_lbl(); break; // LAF
case 0x60: op_comcn(); break;
case 0x61: op_pdtw(); break;
case 0x62: op_wr(); break;
case 0x63: op_ws(); break;
case 0x64: op_incb(); break; // INC
case 0x65: op_idiv(); break; // SYN
case 0x66: op_rc(); break; // CLC
case 0x67: op_sc(); break; // STC
case 0x68: op_rmf(); break; // CLL
case 0x69: op_smf(); break; // LD0
case 0x6a: op_kta(); break; // ICD
case 0x6b: op_bs0(); break; // *BS0
case 0x6c: op_decb(); break; // DEC
case 0x6d: op_comcb(); break; // CMS
case 0x6e: op_rtn0(); break; // RT
case 0x6f: op_rtn1(); break; // RTS
// extended opcodes
case 0x5e:
m_op = m_op << 8 | m_param;
switch (m_param)
{
case 0x00: op_cend(); break; // HLT
case 0x04: op_dta(); break; // LDF
default: op_illegal(); break;
}
break; // 0x5e
default: op_illegal(); break;
}
break; // 0xff
}
break; // 0xfc
} // big switch
}
void doop(Mips * emu, uint32_t op) {
switch(op & 0xfc000000) {
case 0x8000000:
op_j(emu,op);
return;
case 0xc000000:
op_jal(emu,op);
return;
case 0x10000000:
op_beq(emu,op);
return;
case 0x14000000:
op_bne(emu,op);
return;
case 0x18000000:
op_blez(emu,op);
return;
case 0x1c000000:
op_bgtz(emu,op);
return;
case 0x20000000:
op_addi(emu,op);
return;
case 0x24000000:
op_addiu(emu,op);
return;
case 0x28000000:
op_slti(emu,op);
return;
case 0x2c000000:
op_sltiu(emu,op);
return;
case 0x30000000:
op_andi(emu,op);
return;
case 0x34000000:
op_ori(emu,op);
return;
case 0x38000000:
op_xori(emu,op);
return;
case 0x3c000000:
op_lui(emu,op);
return;
case 0x50000000:
op_beql(emu,op);
return;
case 0x54000000:
op_bnel(emu,op);
return;
case 0x58000000:
op_blezl(emu,op);
return;
case 0x80000000:
op_lb(emu,op);
return;
case 0x84000000:
op_lh(emu,op);
return;
case 0x88000000:
op_lwl(emu,op);
return;
case 0x8c000000:
op_lw(emu,op);
return;
case 0x90000000:
op_lbu(emu,op);
return;
case 0x94000000:
op_lhu(emu,op);
return;
case 0x98000000:
op_lwr(emu,op);
return;
case 0xa0000000:
op_sb(emu,op);
return;
case 0xa4000000:
op_sh(emu,op);
return;
case 0xa8000000:
op_swl(emu,op);
return;
case 0xac000000:
op_sw(emu,op);
return;
case 0xb8000000:
op_swr(emu,op);
return;
case 0xbc000000:
op_cache(emu,op);
return;
case 0xc0000000:
op_ll(emu,op);
return;
case 0xcc000000:
op_pref(emu,op);
return;
case 0xe0000000:
op_sc(emu,op);
return;
}
switch(op & 0xfc00003f) {
case 0x0:
op_sll(emu,op);
return;
case 0x2:
op_srl(emu,op);
return;
case 0x3:
op_sra(emu,op);
return;
case 0x4:
op_sllv(emu,op);
return;
case 0x6:
op_srlv(emu,op);
return;
case 0x7:
op_srav(emu,op);
return;
case 0x8:
op_jr(emu,op);
return;
case 0x9:
op_jalr(emu,op);
return;
case 0xc:
op_syscall(emu,op);
return;
case 0xf:
op_sync(emu,op);
return;
case 0x10:
op_mfhi(emu,op);
return;
case 0x11:
op_mthi(emu,op);
return;
case 0x12:
op_mflo(emu,op);
return;
case 0x13:
op_mtlo(emu,op);
return;
case 0x18:
op_mult(emu,op);
return;
case 0x19:
op_multu(emu,op);
return;
case 0x1a:
op_div(emu,op);
return;
case 0x1b:
op_divu(emu,op);
return;
case 0x20:
op_add(emu,op);
return;
case 0x21:
op_addu(emu,op);
return;
case 0x22:
op_sub(emu,op);
return;
case 0x23:
op_subu(emu,op);
return;
case 0x24:
op_and(emu,op);
return;
case 0x25:
op_or(emu,op);
return;
case 0x26:
op_xor(emu,op);
return;
case 0x27:
op_nor(emu,op);
return;
case 0x2a:
op_slt(emu,op);
return;
case 0x2b:
op_sltu(emu,op);
return;
case 0x2d:
op_addu(emu,op); //daddu
return;
case 0x36:
op_tne(emu,op);
return;
}
switch(op & 0xfc1f0000) {
case 0x4000000:
op_bltz(emu,op);
return;
case 0x4010000:
op_bgez(emu,op);
return;
case 0x4020000:
op_bltzl(emu,op);
return;
case 0x4030000:
op_bgezl(emu,op);
return;
case 0x4100000:
op_bltzal(emu,op);
return;
case 0x4110000:
op_bgezal(emu,op);
return;
case 0x5c000000:
op_bgtzl(emu,op);
return;
}
switch(op & 0xffffffff) {
case 0x42000002:
op_tlbwi(emu,op);
return;
case 0x42000006:
op_tlbwr(emu,op);
return;
case 0x42000008:
op_tlbp(emu,op);
return;
case 0x42000018:
op_eret(emu,op);
return;
}
switch(op & 0xfc0007ff) {
case 0xa:
op_movz(emu,op);
return;
case 0xb:
op_movn(emu,op);
return;
case 0x70000002:
op_mul(emu,op);
return;
}
switch(op & 0xffe00000) {
case 0x40000000:
op_mfc0(emu,op);
return;
case 0x40800000:
op_mtc0(emu,op);
return;
}
switch(op & 0xfe00003f) {
case 0x42000020:
op_wait(emu,op);
return;
}
// printf("unhandled opcode at %x -> %x\n",emu->pc,op);
setExceptionCode(emu,EXC_RI);
emu->exceptionOccured = 1;
return;
}
