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Routines |
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The operand of the instruction at 37654 represents the index of the window being drawn. This is modified by the instructions at 36998 and 37699.
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| 37654 | LD A,0 | Load A with the index of the window being drawn | ||
| 37656 | PUSH AF | Store AF | ||
| 37657 | LD HL,(36488) | Store current (video) memory location to start printing character... | ||
| 37660 | PUSH HL | ... | ||
| 37661 | LD HL,(23493) | Store x- & y-coordinates of top-left of currently drawn window... | ||
| 37664 | PUSH HL | ... | ||
| 37665 | LD HL,(23494) | Store y- & x-coordinates of top-right of currently drawn window... | ||
| 37668 | PUSH HL | ... | ||
| 37669 | LD A,1 | Draw window 1 (command summary window at bottom of screen)... | ||
| 37671 | CALL 36987 | ... | ||
| 37674 | LD HL,43271 | Point HL to ("COMMAND") text... | ||
| 37677 | CALL 36725 | ...and print text | ||
| 37680 | LD HL,(36488) | Copy current (video) memory location to start printing character into memory at 65530... | ||
| 37683 | LD (65530),HL | ... | ||
| 37686 | POP HL | Restore y- & x-coordinates of top-right of currently drawn window... | ||
| 37687 | LD (23494),HL | ... | ||
| 37690 | POP HL | Restore x- & y-coordinates of top-left of currently drawn window... | ||
| 37691 | LD (23493),HL | ... | ||
| 37694 | POP HL | Restore current (video) memory location to start printing character... | ||
| 37695 | LD (36488),HL | ... | ||
| 37698 | POP AF | Restore AF (A = index of window being drawn)... | ||
| 37699 | LD (37655),A | ...and store at 37654 | ||
| 37702 | RET | Return | ||
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