54 lines
737 B
NASM
54 lines
737 B
NASM
; Data section
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; ----------------------------------------------------------------------
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; Number of interrupt
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; Used as counter to be decremented to do some things less frequently
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irqn:
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BYTE
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; Direction of the snake (2,4,6,8 as down,left,right,up)
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; 5 means `pause`
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direction:
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BYTE
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; Snake head coordinates in video memory
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snakeX:
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BYTE
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snakeY:
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BYTE
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; Parameters for calcTileMem
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calcTileX:
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BYTE
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calcTileY:
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BYTE
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; List start and length
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listStart:
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BYTE
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length:
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BYTE
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; Random value
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random:
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BYTE
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; Status
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status:
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BYTE
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; Intro counter
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introCounter:
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BYTE #$4
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; Intro string x position, and next increment
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introX:
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BYTE #$0
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introXinc:
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BYTE #$1
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; Outro delay
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outroDelay
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BYTE #$ff
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