std::string DSPDebugInterface::GetRawMemoryString(int memory, unsigned int address)
{
if (DSPCore_GetState() == State::Stopped)
return "";
switch (memory)
{
case 0: // IMEM
switch (address >> 12)
{
case 0:
case 0x8:
return StringFromFormat("%04x", dsp_imem_read(address));
default:
return "--IMEM--";
}
case 1: // DMEM
switch (address >> 12)
{
case 0:
case 1:
return StringFromFormat("%04x (DMEM)", dsp_dmem_read(address));
case 0xf:
return StringFromFormat("%04x (MMIO)", g_dsp.ifx_regs[address & 0xFF]);
default:
return "--DMEM--";
}
}
return "";
}
// LR $D, @M
// 0000 0000 110d dddd
// mmmm mmmm mmmm mmmm
// Move value from data memory pointed by address M to register $D.
void lr(const UDSPInstruction opc)
{
u8 reg = opc & DSP_REG_MASK;
u16 addr = dsp_fetch_code();
u16 val = dsp_dmem_read(addr);
dsp_op_write_reg(reg, val);
dsp_conditional_extend_accum(reg);
}
void DSPDebugInterface::GetRawMemoryString(int memory, unsigned int address, char *dest, int max_size)
{
if (DSPCore_GetState() == DSPCORE_STOP)
{
dest[0] = 0;
return;
}
switch (memory)
{
case 0: // IMEM
switch (address >> 12)
{
case 0:
case 0x8:
sprintf(dest, "%04x", dsp_imem_read(address));
break;
default:
sprintf(dest, "--IMEM--");
break;
}
break;
case 1: // DMEM
switch (address >> 12)
{
case 0:
case 1:
sprintf(dest, "%04x (DMEM)", dsp_dmem_read(address));
break;
case 0xf:
sprintf(dest, "%04x (MMIO)", g_dsp.ifx_regs[address & 0xFF]);
break;
default:
sprintf(dest, "--DMEM--");
break;
}
break;
}
}
void si(const UDSPInstruction opc)
{
u16 addr = (s8)opc;
u16 imm = dsp_fetch_code();
dsp_dmem_write(addr, imm);
}
// LRR $D, @$S
// 0001 1000 0ssd dddd
// Move value from data memory pointed by addressing register $S to register $D.
void lrr(const UDSPInstruction opc)
{
u8 sreg = (opc >> 5) & 0x3;
u8 dreg = opc & 0x1f;
u16 val = dsp_dmem_read(dsp_op_read_reg(sreg));
dsp_op_write_reg(dreg, val);
dsp_conditional_extend_accum(dreg);
}
// LRRD $D, @$S
// 0001 1000 1ssd dddd
// Move value from data memory pointed by addressing register $S toregister $D.
// Decrement register $S.
void lrrd(const UDSPInstruction opc)
{
u8 sreg = (opc >> 5) & 0x3;
u8 dreg = opc & 0x1f;
u16 val = dsp_dmem_read(dsp_op_read_reg(sreg));
dsp_op_write_reg(dreg, val);
