f028802bff
- MicroVAX 2000 & VAXstation 2000 - MicroVAX 3100 M10/M20 - MicroVAX 3100 M10e/M20e - InfoServer 100 - InfoServer 150 VXT - VAXstation 3100 M30 - VAXstation 3100 M38 - VAXstation 3100 M76 - VAXstation 4000 VLC - VAXstation 4000 M60 - MicroVAX 3100 M80 - InfoServer 1000
202 lines
12 KiB
C
202 lines
12 KiB
C
/* vax_gpx.h: GPX video common components
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Copyright (c) 2019, Matt Burke
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the author shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from the author.
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*/
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#ifndef VAX_GPX_H
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#define VAX_GPX_H 0
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#include "vax_defs.h"
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/* FIXME - Some or all of these should be dynamic */
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#ifndef VA_PLANES
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#define VA_PLANES 4
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#endif
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#define VA_BPP (1u << VA_PLANES)
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#define VA_PLANE_MASK (VA_BPP - 1)
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#define VA_XSIZE 1024 /* visible width */
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#define VA_YSIZE 864 /* visible height */
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#define VA_BXSIZE 1024 /* video buffer width */
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#define VA_BYSIZE 2048 /* video buffer height */
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#define VA_BUFSIZE (1u << 21) /* video buffer size */
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#define VA_BUFMASK (VA_BUFSIZE - 1)
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/* Address processor (Adder) registers */
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#define ADP_ADCT 0x0 /* address counter */
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#define ADP_REQ 0x1 /* request enable */
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#define ADP_INT 0x2 /* interrupt enable */
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#define ADP_STAT 0x3 /* status */
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#define ADP_IDD 0x7 /* I/D data */
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#define ADP_CMD1 0x8 /* command */
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#define ADP_MDE 0x9 /* mode */
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#define ADP_CMD2 0xA /* command (alt) */
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#define ADP_IDS 0xC /* I/D scroll data */
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#define ADP_ICS 0xD /* I/D scroll command */
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#define ADP_PXMN 0xE /* scroll x min */
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#define ADP_PXMX 0xF /* scroll x max */
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#define ADP_PYMN 0x10 /* scroll y min */
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#define ADP_PYMX 0x11 /* scroll y max */
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#define ADP_PSE 0x12 /* pause */
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#define ADP_PYOF 0x13 /* y offset */
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#define ADP_PYSC 0x14 /* y scroll constant */
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#define ADP_PXI 0x15 /* pending x index */
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#define ADP_PYI 0x16 /* pending y index */
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#define ADP_NXI 0x17 /* new x index */
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#define ADP_NYI 0x18 /* new y index */
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#define ADP_OXI 0x19 /* old x index */
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#define ADP_OYI 0x1A /* old y index */
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#define ADP_CXMN 0x1B /* clip x min */
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#define ADP_CXMX 0x1C /* clip x max */
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#define ADP_CYMN 0x1D /* clip y min */
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#define ADP_CYMX 0x1E /* clip y max */
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#define ADP_FSDX 0x20 /* fast source 1 DX */
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#define ADP_SSDY 0x21 /* slow source 1 DY */
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#define ADP_SXO 0x22 /* source 1 X origin */
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#define ADP_SYO 0x23 /* source 1 Y origin */
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#define ADP_DXO 0x24 /* dest X origin */
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#define ADP_DYO 0x25 /* dest Y origin */
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#define ADP_FDX 0x26 /* fast dest DX */
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#define ADP_FDY 0x27 /* fast dest DY */
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#define ADP_SDX 0x28 /* slow dest DX */
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#define ADP_SDY 0x29 /* slow dest DY */
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#define ADP_FS 0x2A /* fast scale */
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#define ADP_SS 0x2B /* slow scale */
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#define ADP_S2XO 0x2C /* source 2 X origin */
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#define ADP_S2YO 0x2D /* source 2 Y origin */
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#define ADP_S2HW 0x2E /* source 2 height/width */
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#define ADP_ERR1 0x2F /* error 1 */
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#define ADP_ERR2 0x30 /* error 2 */
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#define ADP_YCT0 0x31 /* y scan count 0 */
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#define ADP_YCT1 0x32 /* y scan count 1 */
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#define ADP_YCT2 0x33 /* y scan count 2 */
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#define ADP_YCT3 0x34 /* y scan count 3 */
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#define ADP_XCON 0x35 /* x scan configuration */
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#define ADP_XL 0x36 /* x limit */
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#define ADP_YL 0x37 /* y limit */
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#define ADP_XCT0 0x38 /* x scan count 0 */
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#define ADP_XCT1 0x39 /* x scan count 1 */
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#define ADP_XCT2 0x3A /* x scan count 2 */
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#define ADP_XCT3 0x3B /* x scan count 3 */
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#define ADP_XCT4 0x3C /* x scan count 4 */
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#define ADP_XCT5 0x3D /* x scan count 5 */
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#define ADP_XCT6 0x3E /* x scan count 6 */
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#define ADP_SYNP 0x3F /* sync phase */
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#define ADP_MAXREG 0x3F
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#define ADP_NUMREG (ADP_MAXREG + 1)
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/* Adder status register */
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#define ADPSTAT_PC 0x0001 /* pause complete */
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#define ADPSTAT_SC 0x0002 /* scroll service */
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#define ADPSTAT_IC 0x0004 /* rasterop init complete */
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#define ADPSTAT_RC 0x0008 /* rasterop complete */
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#define ADPSTAT_AC 0x0010 /* address output complete */
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#define ADPSTAT_IRR 0x0020 /* I/D data rcv ready */
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#define ADPSTAT_ITR 0x0040 /* I/D data xmt ready */
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#define ADPSTAT_ISR 0x0080 /* I/D scroll data ready */
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#define ADPSTAT_CT 0x0100 /* rasterop clipped top */
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#define ADPSTAT_CB 0x0200 /* rasterop clipped bottom */
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#define ADPSTAT_CL 0x0400 /* rasterop clipped left */
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#define ADPSTAT_CR 0x0800 /* rasterop clipped right */
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#define ADPSTAT_CP (ADPSTAT_CT|ADPSTAT_CB|ADPSTAT_CL|ADPSTAT_CR)
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#define ADPSTAT_CN 0x1000 /* rasterop clipped none */
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#define ADPSTAT_VB 0x2000 /* vertical blanking */
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#define ADPSTAT_W0C 0x3F83
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#define INT_ADP 0 /* Adder interrupt */
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/* Video processor (Viper) registers */
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#define VDP_RES 0x0 /* resolution mode */
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#define VDP_BW 0x1 /* bus width */
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#define VDP_SC 0x2 /* scroll constant */
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#define VDP_PA 0x3 /* plane address */
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#define VDP_FNC0 0x4 /* logic function 0 */
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#define VDP_FNC1 0x5 /* logic function 1 */
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#define VDP_FNC2 0x6 /* logic function 2 */
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#define VDP_FNC3 0x7 /* logic function 3 */
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#define VDP_MSK1 0x8 /* mask 1 */
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#define VDP_MSK2 0x9 /* mask 2 */
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#define VDP_SRC 0xA /* source */
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#define VDP_FILL 0xB /* fill */
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#define VDP_LSB 0xC /* left scroll boundary */
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#define VDP_RSB 0xD /* right scroll boundary */
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#define VDP_BG 0xE /* background colour */
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#define VDP_FG 0xF /* foreground colour */
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#define VDP_CSR0 0x10 /* CSR 0 */
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#define VDP_CSR1 0x11 /* CSR 1 */
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#define VDP_CSR2 0x12 /* CSR 2 */
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#define VDP_CSR4 0x14 /* CSR 4 */
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#define VDP_CSR5 0x15 /* CSR 5 */
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#define VDP_CSR6 0x16 /* CSR 6 */
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#define VDP_MAXREG 0x17
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#define CMD u3
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#define CMD_NOP 0 /* no operation */
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#define CMD_BTPX 1 /* bitmap to processor (x-mode) */
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#define CMD_BTPZ 2 /* bitmap to processor (z-mode) */
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#define CMD_PTBX 3 /* processor to bitmap (x-mode) */
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#define CMD_PTBZ 4 /* processor to bitmap (z-mode) */
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#define CMD_ROP 5 /* rasterop */
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#define CMD_ERASE 6 /* erase region */
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/* Debugging Bitmaps */
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#define DBG_REG 0x0100 /* register activity */
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#define DBG_FIFO 0x0200 /* fifo activity */
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#define DBG_ADP 0x0400 /* adder activity */
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#define DBG_VDP 0x0800 /* viper activity */
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#define DBG_ROP 0x1000 /* raster operations */
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#define DBG_ROM 0x2000 /* rom reads */
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/* Internal functions/data - implemented by vax_gpx.c */
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int32 va_adp_rd (int32 rg);
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void va_adp_wr (int32 rg, int32 val);
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t_stat va_adp_reset (DEVICE *dptr);
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t_stat va_adp_svc (UNIT *uptr);
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t_stat va_vdp_reset (DEVICE *dptr);
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t_stat va_btp (UNIT *uptr, t_bool zmode);
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t_stat va_ptb (UNIT *uptr, t_bool zmode);
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void va_fifo_wr (uint32 val);
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uint32 va_fifo_rd (void);
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void va_adpstat (uint32 set, uint32 clr);
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extern int32 va_adp[ADP_NUMREG]; /* Address processor registers */
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/* External functions/data - implemented by machine specific device */
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extern void va_setint (int32 src);
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extern void va_clrint (int32 src);
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extern uint32 *va_buf; /* Video memory */
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extern t_bool va_updated[VA_BYSIZE];
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extern UNIT va_unit[];
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#endif
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