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Blit speed visualisation

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alpine9000
2016-03-05 20:14:08 +11:00
parent 333728ed2c
commit 245340205b
13 changed files with 387 additions and 0 deletions
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010.blit_speed/constants.i
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LVL3_INT_VECTOR equ $6c
SCREEN_WIDTH equ 320
SCREEN_HEIGHT equ 256
SCREEN_WIDTH_BYTES equ (SCREEN_WIDTH/8)
if SCREEN_COLORS == 32
SCREEN_BIT_DEPTH equ 5
endif
if SCREEN_COLORS == 16
SCREEN_BIT_DEPTH equ 4
endif
if SCREEN_COLORS == 8
SCREEN_BIT_DEPTH equ 3
endif
if SCREEN_COLORS == 4
SCREEN_BIT_DEPTH equ 2
endif
if SCREEN_COLORS == 2
SCREEN_BIT_DEPTH equ 1
endif
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+SCREEN_HEIGHT