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Routines |
| Prev: 63581 | Up: Map | Next: 64691 |
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Used by the routine at 63581.
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| 64579 | LD HL,55354 | HL=Time. | ||
| 64582 | BIT 0,(HL) | Test bit 0 of *HL. | ||
| 64584 | JP Z,64676 | Jump to 64676 if is zero. | ||
| 64587 | LD HL,55389 | HL=55389. | ||
| 64590 | DEC (HL) | Decrease *HL by one. | ||
| 64591 | JP NZ,64676 | Jump to 64676 if *HL is not zero. | ||
| 64594 | LD (HL),75 | Write 75 to *HL. | ||
| 64596 | LD HL,55354 | HL=Time. | ||
| 64599 | BIT 5,(HL) | Test bit 5 of *HL. | ||
| 64601 | JP Z,64621 | Jump to 64621 if *HL is zero. | ||
| 64604 | LD A,5 | A=5. | ||
| 64606 | LD D,50 | D=50. | ||
| 64608 | LD E,80 | E=80. | ||
| 64610 | XOR %00010000 | Flip bit 4. | ||
| 64612 | OUT (254),A | Set border to the colour held by A. | ||
| 64614 | LD B,D | B=D. | ||
| 64615 | DJNZ 64615 | Decrease counter by one and loop back to 64615 until counter is zero. | ||
| 64617 | DEC E | Decrease E by one. | ||
| 64618 | JP NZ,64610 | Jump to 64610 if E is not zero. | ||
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This entry point is used by the routine at 55444.
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| 64621 | LD HL,(55387) | HL=*55387. | ||
| 64624 | LD B,4 | B=4. | ||
| 64626 | SLA (HL) | Shift *HL left (with carry). | ||
| 64628 | JP NC,64637 | Jump to 64637 if E is higher. | ||
| 64631 | INC H | Increment H by one. | ||
| 64632 | DJNZ 64626 | Decrease counter by one and loop back to 64626 until counter is zero. | ||
| 64634 | JP 64676 | Jump to 64676. | ||
| 64637 | LD A,(55390) | A=*55390. | ||
| 64640 | DEC A | Decrease A by one. | ||
| 64641 | JP Z,64667 | Jump to 64667 if A is zero. | ||
| 64644 | LD (55390),A | Write A to *55390. | ||
| 64647 | CP 3 | Compare A with 3. | ||
| 64649 | JP P,64660 | Jump to 64660 P. | ||
| 64652 | LD A,(55354) | A=*Time. | ||
| 64655 | SET 5,A | Set bit 5 of A. | ||
| 64657 | LD (55354),A | Write A to *Time. | ||
| 64660 | DEC HL | Decrease HL by one. | ||
| 64661 | LD (55387),HL | Write HL to *55387. | ||
| 64664 | JP 64626 | Jump to 64626. | ||
| 64667 | LD HL,55354 | HL=Time. | ||
| 64670 | SET 4,(HL) | Set bit 4 of *HL. | ||
| 64672 | RES 0,(HL) | Reset bit 0 of *HL. | ||
| 64674 | RES 5,(HL) | Reset bit 5 of *HL. | ||
| 64676 | LD HL,55354 | HL=Time. | ||
| 64679 | BIT 7,(HL) | Test bit 7 of *HL. | ||
| 64681 | RET NZ | Return if HL is not zero. | ||
| 64682 | POP IX | Restore IX from the stack. | ||
| 64684 | POP HL | Restore HL, DE, BC and AF from the stack. | ||
| 64685 | POP DE | |||
| 64686 | POP BC | |||
| 64687 | POP AF | |||
| 64688 | EI | Enable interrupts. | ||
| 64689 | RETI | Return from the interrupt routine. | ||
| Prev: 63581 | Up: Map | Next: 64691 |