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Routines |
| Prev: F409 | Up: Map | Next: F491 |
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| F43C | LD A,$09 | Is flag 9 (wall built) set? | ||
| F43E | CALL $EC1D | |||
| F441 | JR Z,$F479 | Jump forward if it is. | ||
| F443 | LD A,$06 | Is flag 6 (battery charged) set? | ||
| F445 | CALL $EC1D | |||
| F448 | JR Z,$F479 | Jump forward if it is. | ||
| F44A | LD A,($BD01) | Is the battery the first item in the room? | ||
| F44D | CP $04 | |||
| F44F | JR NZ,$F479 | Jump forward if it isn't. | ||
| F451 | LD A,(IY+$05) | Get the x co-ordinate. | ||
| F454 | SUB $42 | Is it by the fork lift? | ||
| F456 | CP $FC | |||
| F458 | JR C,$F479 | Jump foward if it isn't. | ||
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The fork lift truck has a charged battery and the player is standing by the lift, so it can be activated.
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| F45A | LD A,($AF88) | Get the fork lift's position. | ||
| F45D | SUB (IY+$0A) | Is the player standing on it? | ||
| F460 | SUB $22 | |||
| F462 | CP $FC | |||
| F464 | JR C,$F479 | Jump forward if they aren't. | ||
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The player is standing on the fork lift, so move it.
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| F466 | LD A,($AF88) | Get the fork lift's position. | ||
| F469 | SUB $02 | Move it up two positions. | ||
| F46B | CP $78 | Restrict the height to 78 | ||
| F46D | JR NC,$F471 | |||
| F46F | LD A,$78 | |||
| F471 | LD ($AF88),A | Set the new height. | ||
| F474 | SUB $20 | Set the player's y co-ordinate above the lift. | ||
| F476 | LD (IY+$0A),A | |||
| F479 | LD A,($AF88) | Get the fork lift's position. | ||
| F47C | LD B,$10 | Invert it to get a y co-ordinate on screen. | ||
| F47E | CP $B8 | |||
| F480 | JR Z,$F484 | |||
| F482 | LD B,$0E | |||
| F484 | SUB B | |||
| F485 | LD H,A | Set the y co-ordinate. | ||
| F486 | LD L,$40 | x co-ordinate is always 40. | ||
| F488 | LD ($A838),HL | Set the position of the fork lift. | ||
| F48B | LD A,$2B | Set the ID of the fork lift. (88D8) | ||
| F48D | CALL $A83D | Draw the object and return. | ||
| F490 | RET | |||
| Prev: F409 | Up: Map | Next: F491 |