83 lines
2.5 KiB
OpenEdge ABL
83 lines
2.5 KiB
OpenEdge ABL
; do *NOT* use register4 to register7 during time slicing
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spriteId EQU register0
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spriteXY EQU register1
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spriteAddrs EQU register2
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%SUB drawSprite_
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drawSprite_ PUSH
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LDWI _spritesLut_
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ADDW spriteId
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ADDW spriteId
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DEEK
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STW spriteAddrs ; get sprite address table
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drawS_loop LDW spriteAddrs
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DEEK ; get source address
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BEQ drawS_exit
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STW giga_sysArg0
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INC spriteAddrs
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INC spriteAddrs
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LDW spriteAddrs
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DEEK ; get stripe destination offset
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ADDW spriteXY
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SYS 64
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INC spriteAddrs
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INC spriteAddrs
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%if TIME_SLICING
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CALL realTimeStubAddr
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%endif
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BRA drawS_loop
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drawS_exit POP
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RET
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%ENDS
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%SUB drawSprite
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drawSprite PUSH
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LDWI SYS_Sprite6_v3_64
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STW giga_sysFn
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LDWI drawSprite_
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CALL giga_vAC
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POP
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RET
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%ENDS
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%SUB drawSpriteX
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drawSpriteX PUSH
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LDWI SYS_Sprite6x_v3_64
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STW giga_sysFn
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LDWI drawSprite_
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CALL giga_vAC
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POP
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RET
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%ENDS
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%SUB drawSpriteY
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drawSpriteY PUSH
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LDWI SYS_Sprite6y_v3_64
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STW giga_sysFn
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LDWI drawSprite_
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CALL giga_vAC
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POP
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RET
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%ENDS
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%SUB drawSpriteXY
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drawSpriteXY PUSH
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LDWI SYS_Sprite6xy_v3_64
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STW giga_sysFn
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LDWI drawSprite_
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CALL giga_vAC
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POP
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RET
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%ENDS
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%SUB getSpriteLUT
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getSpriteLUT LDWI _spritesLut_
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ADDW spriteId
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ADDW spriteId
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DEEK
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DEEK
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RET
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%ENDS |