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Routines |
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| F746 | LD A,$08 | Moving objects decrease endurance by 8. | ||
| F748 | LD ($F26E),A | |||
| F74B | LD IX,$F73A | Point IX at the movement table. (F73A) | ||
| F74F | LD B,$03 | 3 bulbs to draw. | ||
| F751 | PUSH BC | Store BC. | ||
| F752 | LD BC,$F2F7 | Point BC at the bounds table. (F2F7) | ||
| F755 | CALL $EF35 | Update moving objects. | ||
| F758 | LD A,(IX-$01) | Check the direction of the bulbs. | ||
| F75B | CP $02 | Is it still +2 ie: hasn't hit bounds? | ||
| F75D | JR Z,$F767 | Jump forward if it has. | ||
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The bulb has moved to the edge of the boundary. Rather than reversing direction as per usual, just reset the co-ordinates.
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| F75F | LD (IX-$01),$02 | Set the amount to change as 2 again. | ||
| F763 | LD (IX-$03),$40 | Set the Y co-ordinate to 40. | ||
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Now draw the lightbulb.
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| F767 | LD A,$56 | Set the ID to be the lightbulb. (8E38) | ||
| F769 | CALL $A83D | Draw the object. | ||
| F76C | CALL $E329 | Check for collision detection. | ||
| F76F | POP BC | Restore BC. | ||
| F770 | DJNZ $F751 | Loop until all the bulbs are updated. | ||
| F772 | RET | Return. | ||
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