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Routines |
| Prev: $2D18 | Up: Map | Next: $2D3E |
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Used by the routine at $2CD9.
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| $2D1F | LDA $DD02 | Set bits 0 and 1 at $DD02; this enables bits 0 and 1 in port A to be read and written. | ||
| $2D22 | ORA #$03 | |||
| $2D24 | STA $DD02 | |||
| $2D27 | LDA $DD00 | Reset bits 0 and 1 at $DD00; this selects VIC bank 3 at $C000-$FFFF. | ||
| $2D2A | AND #$FC | |||
| $2D2C | ORA #$00 | |||
| $2D2E | STA $DD00 | |||
| $2D31 | LDA $D018 | Reset bits 6 and 7 and set bits 3, 4 and 5 at $D018. In bitmap mode, this places colour information at $CC00 and the bitmap at $E000. | ||
| $2D34 | AND #$0F | |||
| $2D36 | ORA #$30 | |||
| $2D38 | ORA #$08 | |||
| $2D3A | STA $D018 | |||
| $2D3D | RTS | |||
| Prev: $2D18 | Up: Map | Next: $2D3E |