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AmigaExamples/017.dual_playfield/constants.i
2016-03-13 19:39:42 +11:00

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416 B
OpenEdge ABL

VPOSRLOFBIT equ 15
LVL3_INT_VECTOR equ $6c
SCREEN_WIDTH equ 320
SCREEN_HEIGHT equ 256
SCREEN_WIDTH_BYTES equ (SCREEN_WIDTH/8)
SCREEN_BIT_DEPTH equ 3 ; 3 bitplanes per playfield
SCREEN_RES equ 8 ; 8=lo resolution, 4=hi resolution
RASTER_X_START equ $81 ; hard coded coordinates from hardware manual
RASTER_Y_START equ $2c
RASTER_X_STOP equ RASTER_X_START+SCREEN_WIDTH
RASTER_Y_STOP equ RASTER_Y_START+256