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Routines |
| Prev: 64DC | Up: Map | Next: 64FD |
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This routine is not used. It is probably the predecessor of the routine at 6992.
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| 64E6 | LD HL,$7F09 | At one time, 7F09 would have held the number of on-screen character squares that need refreshing | ||
| 64E9 | LD A,(HL) | Pick up this number in A | ||
| 64EA | LD (HL),$00 | Reset the number to 0 | ||
| 64EC | INC L | HL=7F0A | ||
| 64ED | AND A | Do any character squares need refreshing? | ||
| 64EE | RET Z | Return if not | ||
| 64EF | LD D,(HL) | Pick up the coordinates of the first character square that needs refreshing in DE | ||
| 64F0 | INC L | |||
| 64F1 | LD E,(HL) | |||
| 64F2 | INC L | Point HL at the next set of coordinates | ||
| 64F3 | PUSH HL | |||
| 64F4 | PUSH AF | |||
| 64F5 | CALL $6100 | Print the character square at the coordinates in DE | ||
| 64F8 | POP AF | |||
| 64F9 | POP HL | |||
| 64FA | DEC A | Next character square | ||
| 64FB | JR $64ED | Jump back until all character squares have been printed | ||
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