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Routines |
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Used by the routine at StartGame_Jump.
The game starts here, as the first instruction at 6000 jumps to this address. Interrupts stay disabled for the whole game, apart from the short windows used to wait for the next frame (see WaitForFrame).
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| GameEntry | 9601 | DI | Disable interrupts. | |
| 9602 | LD SP,$6000 | Move the stack pointer to the top of the area below the game code, as the stack grows downwards from 6000. | ||
| 9605 | IM 1 | Select interrupt mode 1. | ||
| 9607 | CALL DecodeSprites | Convert all of the sprites to the form used by DrawSprite, using DecodeSprites. | ||
| 960A | LD HL,$C23C | Point HL at the font used by the game. Characters start at 20 so this is 0100 below the start of the font data. | ||
| 960D | LD ($5C36),HL | Use it as the current character set. | ||
| 9610 | JP InitialiseGame | Jump to InitialiseGame to set up the game. | ||
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