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Routines |
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Copy one attribute byte across the 0200 cells of the picture. Nothing calls this routine.
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| ClearRoomImage | AD67 | LD BC,$0200 | Set a counter in BC of 0200 bytes. | |||||
| AD6A | LD HL,$5800 | Point HL at the attribute buffer (5800). | ||||||
| AD6D | LD E,A | Copy the attribute byte into E. | ||||||
| ClearRoomImage_Loop | AD6E | LD (HL),E | Write the byte to the attribute buffer. | |||||
| AD6F | INC HL | Advance HL to the next cell. | ||||||
| AD70 | DEC BC | Step the picture-cell count down. | ||||||
| AD71 | LD A,B | See whether any picture cells remain. | ||||||
| AD72 | OR C | |||||||
| AD73 | JR NZ,ClearRoomImage_Loop | Branch to ClearRoomImage_Loop while cells remain. | ||||||
| AD75 | RET | Return. | ||||||
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View the equivalent code in;
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| Prev: AD60 | Up: Map | Next: AD76 |