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missing IOT instruction

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folkert van heusden 2022-03-17 09:36:54 +01:00
parent d958ff0cca
commit de3df9ffa7
1 changed files with 11 additions and 0 deletions
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11
cpu.cpp
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@ -1000,6 +1000,13 @@ bool cpu::misc_operations(const uint16_t instr)
setPSW(popStack()); setPSW(popStack());
return true; return true;
case 0b0000000000000100: // IOT
pushStack(getPSW());
pushStack(getPC());
setPC(b -> readWord(020));
setPSW(b -> readWord(022));
return true;
case 0b0000000000000110: // RTT case 0b0000000000000110: // RTT
setPC(popStack()); setPC(popStack());
setPSW(popStack()); setPSW(popStack());
@ -1433,6 +1440,10 @@ void cpu::disassemble()
text = "RTI"; text = "RTI";
break; break;
case 0b0000000000000100:
text = "IOT";
break;
case 0b0000000000000110: case 0b0000000000000110:
text = "RTT"; text = "RTT";
break; break;