A20C: Routine at A20C
| A20C |
PUSH IX |
| A20E |
POP HL |
| A20F |
DEC HL |
| A210 |
DEC HL |
| A211 |
LD E,(IX-$02) |
| A214 |
LD D,(IX-$01) |
| A217 |
ADD HL,DE |
| A218 |
LD E,(IX+$00) |
| A21B |
LD D,(IX+$01) |
| A21E |
LD A,D |
| A21F |
OR E |
| A220 |
JR NZ,$A225 |
| A222 |
OR $01 |
| A224 |
RET |
| A225 |
AND A |
| A226 |
SBC HL,DE |
| A228 |
RET NZ |
| A229 |
LD L,(IX+$00) |
| A22C |
LD H,(IX+$01) |
| A22F |
PUSH BC |
| A230 |
LD E,(HL) |
| A231 |
INC HL |
| A232 |
LD D,(HL) |
| A233 |
INC HL |
| A234 |
LD C,(HL) |
| A235 |
INC HL |
| A236 |
LD B,(HL) |
| A237 |
LD L,(IX-$02) |
| A23A |
LD H,(IX-$01) |
| A23D |
ADD HL,DE |
| A23E |
LD (IX-$02),L |
| A241 |
LD (IX-$01),H |
| A244 |
LD (IX+$00),C |
| A247 |
LD (IX+$01),B |
| A24A |
POP BC |
| A24B |
XOR A |
| A24C |
RET |
