89 lines
1.7 KiB
OpenEdge ABL
89 lines
1.7 KiB
OpenEdge ABL
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IFND HARDWARE_BLIT_I
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HARDWARE_BLIT_I SET 1
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**
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** $Filename: hardware/blit.i $
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** $Release: 1.3 $
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**
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**
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**
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** (C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
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** All Rights Reserved
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**
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STRUCTURE bltnode,0
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LONG bn_n
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LONG bn_function
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BYTE bn_stat
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BYTE bn_dummy
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WORD bn_blitsize
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WORD bn_beamsync
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LONG bn_cleanup
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LABEL bn_SIZEOF
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* bit defines used by blit queuer
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CLEANMEn equ 6
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CLEANME equ 1<<CLEANMEn
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* include file for blitter */
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HSIZEBITS equ 6
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VSIZEBITS equ 16-HSIZEBITS
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HSIZEMASK equ $3f /* 2^6 -- 1 */
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VSIZEMASK equ $3FF /* 2^10 - 1 */
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MAXBYTESPERROW EQU 128
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* definitions for blitter control register 0 */
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ABC equ $80
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ABNC equ $40
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ANBC equ $20
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ANBNC equ $10
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NABC equ $8
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NABNC equ $4
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NANBC equ $2
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NANBNC equ $1
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BC0B_DEST equ 8
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BC0B_SRCC equ 9
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BC0B_SRCB equ 10
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BC0B_SRCA equ 11
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BC0F_DEST equ $100
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BC0F_SRCC equ $200
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BC0F_SRCB equ $400
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BC0F_SRCA equ $800
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BC1F_DESC equ 2
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DEST equ $100
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SRCC equ $200
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SRCB equ $400
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SRCA equ $800
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ASHIFTSHIFT equ 12 /* bits to right align ashift value */
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BSHIFTSHIFT equ 12 /* bits to right align bshift value */
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* definations for blitter control register 1 */
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LINEMODE equ $1
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FILL_OR equ $8
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FILL_XOR equ $10
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FILL_CARRYIN equ $4
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ONEDOT equ $2
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OVFLAG equ $20
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SIGNFLAG equ $40
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BLITREVERSE equ $2
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SUD equ $10
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SUL equ $8
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AUL equ $4
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OCTANT8 equ 24
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OCTANT7 equ 4
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OCTANT6 equ 12
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OCTANT5 equ 28
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OCTANT4 equ 20
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OCTANT3 equ 8
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OCTANT2 equ 0
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OCTANT1 equ 16
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ENDC ; HARDWARE_BLIT_I
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