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Routines |
| Prev: D7F6 | Up: Map | Next: D9A9 |
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Used by the routines at PrintSprite and PrintSprite_Mirrored.
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| D986 | EXX | Switch to the shadow registers. | ||
| D987 | PUSH HL | Stash HL on the stack. | ||
| D988 | LD A,B | A=B. | ||
| D989 | RRCA | Rotate A left three positions (bits 5 to 7 are now in positions 0 to 2). | ||
| D98A | RRCA | |||
| D98B | RRCA | |||
| D98C | LD L,A | L=A. | ||
| D98D | AND %00000111 | Keep only bits 0-2. | ||
| D98F | ADD A,$68 | A+=68. | ||
| D991 | LD H,A | H=A. | ||
| D992 | LD A,L | A=L. | ||
| D993 | AND %11111000 | Keep only bits 3-7. | ||
| D995 | ADD A,C | A+=C. | ||
| D996 | LD L,A | L=A. | ||
| D997 | LD A,($D214) | A=*D214. | ||
| D99A | CP $E6 | Jump to D9A5 if A is lower than E6. | ||
| D99C | JR C,$D9A5 | |||
| D99E | CP $EF | Jump to D9A5 if A is higher than EF. | ||
| D9A0 | JR NC,$D9A5 | |||
| D9A2 | LD A,($D408) | Write *D408 to *HL. | ||
| D9A5 | LD (HL),A | |||
| D9A6 | POP HL | Restore HL from the stack. | ||
| D9A7 | EXX | Switch back to the normal registers. | ||
| D9A8 | RET | Return. | ||
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