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21 lines
592 B
OpenEdge ABL
21 lines
592 B
OpenEdge ABL
MASKED_FONT equ 0
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if MASKED_FONT==1
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BACKGROUND_COLOR equ 4
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else
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BACKGROUND_COLOR equ 3
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endif
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FONT_WIDTH equ 8
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FONT_HEIGHT equ 10
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SCREEN_WIDTH equ 320
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SCREEN_HEIGHT equ 256
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SCREEN_WIDTH_BYTES equ (SCREEN_WIDTH/8)
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SCREEN_WIDTH_WORDS equ SCREEN_WIDTH_BYTES/2
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SCREEN_BIT_DEPTH equ 4
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SCREEN_RES equ 8 ; 8=lo resolution, 4=hi resolution
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RASTER_X_START equ $81 ; hard coded coordinates from hardware manual
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RASTER_Y_START equ $2c
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RASTER_X_STOP equ RASTER_X_START+SCREEN_WIDTH
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RASTER_Y_STOP equ RASTER_Y_START+256
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IMAGESIZE equ SCREEN_WIDTH_BYTES*SCREEN_BIT_DEPTH*SCREEN_HEIGHT |