Routines |
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Used by the routine at $9868.
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$93E8 | LDY #$0E | Bits 0-7 of the x-coordinate of sprite #7 is at $D00E. | ||||||
$93EA | TXA | Compensate for the TAX instruction coming next. | ||||||
This entry point is used by the routine at $94E8.
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$93EB | TAX | Transfer bit 8 of the sprites' x-coordinates to X. | ||||||
$93EC | DEY | Decrease Y by 2 to point at bits 0-7 of the x-coordinate of the next sprite. | ||||||
$93ED | DEY | |||||||
$93EE | BPL $93F6 | Branch if Y is still non-negative. | ||||||
$93F0 | STX $D010 | Update bit 8 of the sprites' x-coordinates. | ||||||
$93F3 | JMP $9877 | Enable sprites #0-#6. | ||||||
$93F6 | STY $94E9 | Modify the LSB of the operand of the 'LDA nnnn' instruction at $94E8. | ||||||
$93F9 | STY $94EF | Modify the LSB of the operand of the 'STA nnnn' instruction at $94EE. | ||||||
$93FC | JMP $94E8 | Continue at $94E8. |
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