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- #ifndef TIGA_GSPREGS_H
- #define TIGA_GSPREGS_H
- /*
- ** $Filename: tiga/gspregs.h $
- ** $Release: $$$RELEASE$$$ $
- **
- ** PUBLIC EXTENDER FILE
- **
- ** (C) Copyright 1988,1989,1990 University of Lowell
- ** Center for Productivity Enhancement
- ** All Rights Reserved
- **
- **
- ** Purpose:
- ** This file contains definitions for GSP registers It is useful for the
- ** gsp side of an application, written in GSP-C, to use symbolic names
- ** for GSP hardware
- **
- **
- */
-
- /* ====================================================================== */
- /* = Define names of special A- and B-file registers ==================== */
- /* ====================================================================== */
- #define FP 13 /* register A13 - Frame pointer, param. stack */
- #define STK 14 /* register A14 - Parameter stack pointer */
- #define SADDR 0 /* register B0 - Source address register */
- #define SPTCH 1 /* register B1 - Source pitch register */
- #define DADDR 2 /* register B2 - Dest. address register */
- #define DPTCH 3 /* register B3 - Dest. pitch register */
- #define OFFSET 4 /* register B4 - XY offset register */
- #define WSTART 5 /* register B5 - Window start register */
- #define WEND 6 /* register B6 - Window end register */
- #define DYDX 7 /* register B7 - Delta X/delta Y register */
- #define COLOR0 8 /* register B8 - Color 0 register */
- #define COLOR1 9 /* register B9 - Color 1 register */
-
-
-
- /* ====================================================================== */
- /* = Define base location of TMS34010's on-chip I/O register file. ====== */
- /* ====================================================================== */
- #define IO_BASE 0xC0000000 /* address of 1st I/O register */
-
-
-
- /* ====================================================================== */
- /* = Define names of I/O registers. ===================================== */
- /* ====================================================================== */
- #define HESYNC 0xC0000000
- #define HEBLNK 0xC0000010
- #define HSBLNK 0xC0000020
- #define HTOTAL 0xC0000030
- #define VESYNC 0xC0000040
- #define VEBLNK 0xC0000050
- #define VSBLNK 0xC0000060
- #define VTOTAL 0xC0000070
- #define DPYCTL 0xC0000080
- #define DPYSTRT 0xC0000090
- #define DPYINT 0xC00000A0
- #define CONTROL 0xC00000B0
- #define HSTDATA 0xC00000C0
- #define HSTADRL 0xC00000D0
- #define HSTADRH 0xC00000E0
- #define HSTCTLL 0xC00000F0
- #define HSTCTLH 0xC0000100
- #define INTENB 0xC0000110
- #define INTPEND 0xC0000120
- #define CONVSP 0xC0000130
- #define CONVDP 0xC0000140
- #define PSIZE 0xC0000150
- #define PMASK 0xC0000160
- /*----- I/O registers 23-26 are reserved -----*/
- #define DPYTAP 0xC00001B0
- #define HCOUNT 0xC00001C0
- #define VCOUNT 0xC00001D0
- #define DPYADR 0xC00001E0
- #define REFCNT 0xC00001F0
-
-
-
- /* ====================================================================== */
- /* = Masks for I/O register fields: ===================================== */
- /* ====================================================================== */
- #define TRN_MASK 0x20 /* Mask for T field in CONTROL */
- #define WDW_MASK 0xC0 /* Mask for W field in CONTROL */
- #define PBH_MASK 0x100 /* Mask for Pixblt Horizontal Dir. in CONTROL */
- #define PBV_MASK 0x200 /* Mask for Pixblt Vertical Dir. in CONTROL */
- #define PPOP_MASK 0x7C00 /* Mask for PPOP in CONTROL */
- #define SRT_MASK 0x800 /* Mask for SRT bit in DPYCTL */
- #define SRE_MASK 0x1000 /* Mask for SRT bit in DPYCTL */
- #define ENV_MASK 0x8000 /* Mask for SRT bit in DPYCTL */
- #define DI_MASK 0x400 /* Mask for DI bit in INTPEND */
-
-
-
- /* ====================================================================== */
- /* = Additional defines used for an Amiga host program ================== */
- /* ====================================================================== */
- #define HCTLHIADDR 0xC000
- #define HCTLLOLOADDR 0X00F0
- #define HCTLHILOADDR 0X0100
-
- struct GSP_REG {
- unsigned short hstadrl;
- unsigned short hstadrh;
- unsigned short hstdata;
- unsigned short hstctl;
- };
-
-
- #endif /* TIGA_GSPREGS_H */
-