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added missing addressing modes

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Jorj Bauer 2021-01-13 23:04:21 -05:00
parent 7028e1dfd2
commit 2f308ee163
1 changed files with 11 additions and 0 deletions
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11
nix/disassembler.cpp
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@ -143,8 +143,19 @@ uint8_t Disassembler::instructionToMnemonic(uint16_t addr, uint8_t *p, char *out
case A_ABY: case A_ABY:
case A_ABX: case A_ABX:
case A_ABI://indirect case A_ABI://indirect
case A_ABXI:
case A_ZIND:
target = (*(p+2) << 8) | (*(p+1)); // FIXME: is this correct? target = (*(p+2) << 8) | (*(p+1)); // FIXME: is this correct?
break; break;
case A_ZER:
case A_INX:
case A_INY:
case A_ZEX:
case A_ZEY:
case A_ZPREL:
case A_IMM:
target = *(int8_t *)(p+1);
break;
default: default:
target = 0; target = 0;
break; break;