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- IFND GRAPHICS_COPPER_I
- GRAPHICS_COPPER_I SET 1
- **
- ** $Filename: graphics/copper.i $
- ** $Release: 1.3 $
- **
- **
- **
- ** (C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
- ** All Rights Reserved
- **
-
- COPPER_MOVE equ 0 /* pseude opcode for move #XXXX,dir */
- COPPER_WAIT equ 1 /* pseudo opcode for wait y,x */
- CPRNXTBUF equ 2 /* continue processing with next buffer */
- CPR_NT_LOF equ $8000 /* copper instruction only for short frames */
- CPR_NT_SHT equ $4000 /* copper instruction only for long frames */
-
- STRUCTURE CopIns,0
- WORD ci_OpCode * 0 = move, 1 = wait */
- STRUCT ci_nxtlist,0 * UNION
- STRUCT ci_VWaitPos,0
- STRUCT ci_DestAddr,2
-
- STRUCT ci_HWaitPos,0
- STRUCT ci_DestData,2
-
- LABEL ci_SIZEOF
-
- * structure of cprlist that points to list that hardware actually executes */
- STRUCTURE cprlist,0
- APTR crl_Next
- APTR crl_start
- WORD crl_MaxCount
- LABEL crl_SIZEOF
-
- STRUCTURE CopList,0
- APTR cl_Next /* next block for this copper list */
- APTR cl__CopList /* system use */
- APTR cl__ViewPort /* system use */
- APTR cl_CopIns /* start of this block */
- APTR cl_CopPtr /* intermediate ptr */
- APTR cl_CopLStart /* mrgcop fills this in for Long Frame*/
- APTR cl_CopSStart /* mrgcop fills this in for Short Frame*/
- WORD cl_Count /* intermediate counter */
- WORD cl_MaxCount /* max # of copins for this block */
- WORD cl_DyOffset /* offset this copper list vertical waits */
- LABEL cl_SIZEOF
-
- STRUCTURE UCopList,0
- APTR ucl_Next
- APTR ucl_FirstCopList /* head node of this copper list */
- APTR ucl_CopList /* node in use */
- LABEL ucl_SIZEOF
-
- * private graphics data structure
- STRUCTURE copinit,0
- STRUCT copinit_diagstrt,8
- STRUCT copinit_sprstrtup,2*((2*8*2)+2+(2*2)+2)
- STRUCT copinit_sprstop,4
- LABEL copinit_SIZEOF
-
- ENDC ; GRAPHICS_COPPER_I
-