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RTI/RTT fix (prev mode)

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folkert van heusden 2022-04-12 15:58:37 +02:00
parent c006727aa1
commit fbee770225
1 changed files with 2 additions and 2 deletions
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4
cpu.cpp
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@ -1312,7 +1312,7 @@ bool cpu::misc_operations(const uint16_t instr)
case 0b0000000000000010: // RTI
setPC(popStack());
setPSW(popStack(), !!(getPSW() >> 12));
setPSW(popStack(), !!((getPSW() >> 12) & 3));
return true;
case 0b0000000000000011: // BPT
@ -1325,7 +1325,7 @@ bool cpu::misc_operations(const uint16_t instr)
case 0b0000000000000110: // RTT
setPC(popStack());
setPSW(popStack(), !!(getPSW() >> 12));
setPSW(popStack(), !!((getPSW() >> 12) & 3));
return true;
case 0b0000000000000111: // MFPT