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Routines |
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The glyph is at $5BC7 plus eight times the code. Rows go downwards on the screen, which in the buffer is 32 bytes lower each time. Rather than keep the start address, it adds $0101 at the end: eight rows of -32 is -256, so +257 lands on the next cell to the right of where it began.
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| print_8x8 | BE7F | PUSH BC | ||||||||
| BE80 | PUSH DE | |||||||||
| BE81 | PUSH HL | |||||||||
| BE82 | LD L,A | DE = the glyph | ||||||||
| BE83 | LD H,$00 | |||||||||
| BE85 | ADD HL,HL | |||||||||
| BE86 | ADD HL,HL | |||||||||
| BE87 | ADD HL,HL | |||||||||
| BE88 | LD DE,($5BC7) | |||||||||
| BE8C | ADD HL,DE | |||||||||
| BE8D | EX DE,HL | |||||||||
| BE8E | POP HL | |||||||||
| BE8F | LD B,$08 | |||||||||
| Prev: BE72 | Up: Map | Next: BE91 |