| jetpac | Routines |
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Bytes are first shifted and/or flipped along the horizontal axis. Used by the routine at 6f2a.
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| 6ea5 | exx | HL=sprite, HL'=buffer, B'=counter | ||||||||
| 6ea6 | ld a,($5dd2) | Get next two bytes if Jetman rocket module status is zero | ||||||||
| 6ea9 | and a | |||||||||
| 6eaa | jr z,$6ebd | |||||||||
| 6eac | call $6e87 | DE=flipped byte pair | ||||||||
| 6eaf | push de | |||||||||
| 6eb0 | push bc | |||||||||
| 6eb1 | exx | HL=buffer, B=counter | ||||||||
| 6eb2 | pop de | |||||||||
| 6eb3 | ld (hl),e | Write first byte | ||||||||
| 6eb4 | inc hl | |||||||||
| 6eb5 | pop de | |||||||||
| 6eb6 | ld (hl),d | Write the second byte | ||||||||
| 6eb7 | inc hl | |||||||||
| 6eb8 | ld (hl),e | Write third byte | ||||||||
| 6eb9 | inc hl | HL=next buffer address | ||||||||
| 6eba | djnz $6ea5 | Loop back, writing reversed sprite data to buffer | ||||||||
| 6ebc | ret | We're done. | ||||||||
| 6ebd | call $6e66 | DE=two new bytes of sprite pixel data | ||||||||
| 6ec0 | jr $6eaf | Loop back, writing non-reversed sprite data to buffer | ||||||||
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