80486DX2-66/86Box-fork
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XGA: made the source file compatible with the 86box clang-format style (ident) and actually fixed the 40 25 POST hang (the key element was bit 0 of MCA port 0x103).

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TC1995
2022-09-06 23:39:37 +02:00
parent c3f6a46142
commit 32220dab84
1 changed files with 537 additions and 557 deletions
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238
src/video/vid_xga.c
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@@ -14,26 +14,26 @@
*
* Copyright 2022 TheCollector1995.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <wchar.h>
#include <86box/bswap.h>
#include "cpu.h"
#include <86box/86box.h>
#include <86box/bswap.h>
#include <86box/device.h>
#include <86box/dma.h>
#include <86box/io.h>
#include <86box/machine.h>
#include <86box/mem.h>
#include <86box/dma.h>
#include <86box/rom.h>
#include <86box/mca.h>
#include <86box/device.h>
#include <86box/mem.h>
#include <86box/rom.h>
#include <86box/timer.h>
#include <86box/video.h>
#include <86box/vid_svga.h>
#include <86box/vid_svga_render.h>
#include <86box/vid_xga_device.h>
#include "cpu.h"
#include <86box/video.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#define XGA_BIOS_PATH "roms/video/xga/XGA_37F9576_Ver200.BIN"
#define XGA2_BIOS_PATH "roms/video/xga/xga2_v300.bin"
@@ -671,7 +671,6 @@ xga_ext_inb(uint16_t addr, void *p)
return ret;
}
#define READ(addr, dat) \
dat = xga->vram[(addr) & (xga->vram_mask)];
@@ -695,30 +694,75 @@ xga_ext_inb(uint16_t addr, void *p)
xga->vram[((addr)) & (xga->vram_mask - 1)] = dat >> 8; \
xga->changedvram[(((addr)) & (xga->vram_mask)) >> 12] = changeframecount;
#define ROP(mix, d, s) { \
#define ROP(mix, d, s) \
{ \
switch ((mix) ? (xga->accel.frgd_mix & 0x1f) : (xga->accel.bkgd_mix & 0x1f)) { \
case 0x00: d = 0; break; \
case 0x01: d = s & d; break; \
case 0x02: d = s & ~d; break; \
case 0x03: d = s; break; \
case 0x04: d = ~s & d; break; \
case 0x05: d = d; break; \
case 0x06: d = s ^ d; break; \
case 0x07: d = s | d; break; \
case 0x08: d = ~s & ~d; break; \
case 0x09: d = s ^ ~d; break; \
case 0x0a: d = ~d; break; \
case 0x0b: d = s | ~d; break; \
case 0x0c: d = ~s; break; \
case 0x0d: d = ~s | d; break; \
case 0x0e: d = ~s | ~d; break; \
case 0x0f: d = ~0; break; \
case 0x10: d = MAX(s, d); break; \
case 0x11: d = MIN(s, d); break; \
case 0x12: d = MIN(0xff, s + d); break; \
case 0x13: d = MAX(0, d - s); break; \
case 0x14: d = MAX(0, s - d); break; \
case 0x15: d = (s + d) >> 1; break; \
case 0x00: \
d = 0; \
break; \
case 0x01: \
d = s & d; \
break; \
case 0x02: \
d = s & ~d; \
break; \
case 0x03: \
d = s; \
break; \
case 0x04: \
d = ~s & d; \
break; \
case 0x05: \
d = d; \
break; \
case 0x06: \
d = s ^ d; \
break; \
case 0x07: \
d = s | d; \
break; \
case 0x08: \
d = ~s & ~d; \
break; \
case 0x09: \
d = s ^ ~d; \
break; \
case 0x0a: \
d = ~d; \
break; \
case 0x0b: \
d = s | ~d; \
break; \
case 0x0c: \
d = ~s; \
break; \
case 0x0d: \
d = ~s | d; \
break; \
case 0x0e: \
d = ~s | ~d; \
break; \
case 0x0f: \
d = ~0; \
break; \
case 0x10: \
d = MAX(s, d); \
break; \
case 0x11: \
d = MIN(s, d); \
break; \
case 0x12: \
d = MIN(0xff, s + d); \
break; \
case 0x13: \
d = MAX(0, d - s); \
break; \
case 0x14: \
d = MAX(0, s - d); \
break; \
case 0x15: \
d = (s + d) >> 1; \
break; \
} \
}
@@ -759,7 +803,6 @@ xga_accel_read_pattern_map_pixel(svga_t *svga, int x, int y, int map, uint32_t b
return px;
}
static uint32_t
xga_accel_read_map_pixel(svga_t *svga, int x, int y, int map, uint32_t base, int width)
{
@@ -961,18 +1004,11 @@ xga_short_stroke(svga_t *svga, uint8_t ssv)
if (xga->accel.pat_src == 8) {
while (y >= 0) {
if (xga->accel.command & 0xc0) {
if ((dx >= xga->accel.mask_map_origin_x_off) && (dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) &&
(dy >= xga->accel.mask_map_origin_y_off) && (dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
if ((dx >= xga->accel.mask_map_origin_x_off) && (dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) && (dy >= xga->accel.mask_map_origin_y_off) && (dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.src_map_x & 0xfff, xga->accel.src_map_y & 0xfff, xga->accel.src_map, srcbase, xga->accel.px_map_width[xga->accel.src_map] + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, dx, dy, xga->accel.dst_map, dstbase, xga->accel.px_map_width[xga->accel.dst_map] + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -992,13 +1028,7 @@ xga_short_stroke(svga_t *svga, uint8_t ssv)
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.src_map_x & 0xfff, xga->accel.src_map_y & 0xfff, xga->accel.src_map, srcbase, xga->accel.px_map_width[xga->accel.src_map] + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, dx, dy, xga->accel.dst_map, dstbase, xga->accel.px_map_width[xga->accel.dst_map] + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1031,7 +1061,10 @@ xga_short_stroke(svga_t *svga, uint8_t ssv)
xga->accel.dst_map_y = dy;
}
#define SWAP(a,b) tmpswap = a; a = b; b = tmpswap;
#define SWAP(a, b) \
tmpswap = a; \
a = b; \
b = tmpswap;
static void
xga_line_draw_write(svga_t *svga)
@@ -1094,18 +1127,11 @@ xga_line_draw_write(svga_t *svga)
while (y >= 0) {
if (xga->accel.command & 0xc0) {
if (steep) {
if ((dx >= xga->accel.mask_map_origin_x_off) && (dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) &&
(dy >= xga->accel.mask_map_origin_y_off) && (dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
if ((dx >= xga->accel.mask_map_origin_x_off) && (dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) && (dy >= xga->accel.mask_map_origin_y_off) && (dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.src_map_x & 0xfff, xga->accel.src_map_y & 0xfff, xga->accel.src_map, srcbase, xga->accel.px_map_width[xga->accel.src_map] + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, dx, dy, xga->accel.dst_map, dstbase, xga->accel.px_map_width[xga->accel.dst_map] + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1118,18 +1144,11 @@ xga_line_draw_write(svga_t *svga)
}
}
} else {
if ((dy >= xga->accel.mask_map_origin_x_off) && (dy <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) &&
(dx >= xga->accel.mask_map_origin_y_off) && (dx <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
if ((dy >= xga->accel.mask_map_origin_x_off) && (dy <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) && (dx >= xga->accel.mask_map_origin_y_off) && (dx <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.src_map_x & 0xfff, xga->accel.src_map_y & 0xfff, xga->accel.src_map, srcbase, xga->accel.px_map_width[xga->accel.src_map] + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, dy, dx, xga->accel.dst_map, dstbase, xga->accel.px_map_width[xga->accel.dst_map] + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1147,13 +1166,7 @@ xga_line_draw_write(svga_t *svga)
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.src_map_x & 0xfff, xga->accel.src_map_y & 0xfff, xga->accel.src_map, srcbase, xga->accel.px_map_width[xga->accel.src_map] + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, dx, dy, xga->accel.dst_map, dstbase, xga->accel.px_map_width[xga->accel.dst_map] + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1168,13 +1181,7 @@ xga_line_draw_write(svga_t *svga)
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.src_map_x & 0xfff, xga->accel.src_map_y & 0xfff, xga->accel.src_map, srcbase, xga->accel.px_map_width[xga->accel.src_map] + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, dy, dx, xga->accel.dst_map, dstbase, xga->accel.px_map_width[xga->accel.dst_map] + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1214,7 +1221,6 @@ xga_line_draw_write(svga_t *svga)
}
}
static int16_t
xga_dst_wrap(int16_t addr)
{
@@ -1281,18 +1287,11 @@ xga_bitblt(svga_t *svga)
// pclog("CMD = %08x: Y = %d, X = %d, patsrc = %02x, srcmap = %d, dstmap = %d, py = %d, sy = %d, dy = %d, width0 = %d, width1 = %d, width2 = %d, width3 = %d\n", xga->accel.command, xga->accel.y, xga->accel.x, xga->accel.pat_src, xga->accel.src_map, xga->accel.dst_map, xga->accel.py, xga->accel.sy, xga->accel.dy, xga->accel.px_map_width[0], xga->accel.px_map_width[1], xga->accel.px_map_width[2], xga->accel.px_map_width[3]);
while (xga->accel.y >= 0) {
if (xga->accel.command & 0xc0) {
if ((xga->accel.dx >= xga->accel.mask_map_origin_x_off) && (xga->accel.dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) &&
(xga->accel.dy >= xga->accel.mask_map_origin_y_off) && (xga->accel.dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
if ((xga->accel.dx >= xga->accel.mask_map_origin_x_off) && (xga->accel.dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) && (xga->accel.dy >= xga->accel.mask_map_origin_y_off) && (xga->accel.dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.sx, xga->accel.sy, xga->accel.src_map, srcbase, srcwidth + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, xga->accel.dx, xga->accel.dy, xga->accel.dst_map, dstbase, dstwidth + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1303,13 +1302,7 @@ xga_bitblt(svga_t *svga)
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.sx, xga->accel.sy, xga->accel.src_map, srcbase, srcwidth + 1) : xga->accel.frgd_color;
dest_dat = xga_accel_read_map_pixel(svga, xga->accel.dx, xga->accel.dy, xga->accel.dst_map, dstbase, dstwidth + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(1, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1374,8 +1367,7 @@ xga_bitblt(svga_t *svga)
mix = xga_accel_read_pattern_map_pixel(svga, xga->accel.px, xga->accel.py, xga->accel.pat_src, patbase, patwidth + 1);
if (xga->accel.command & 0xc0) {
if ((xga->accel.dx >= xga->accel.mask_map_origin_x_off) && (xga->accel.dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) &&
(xga->accel.dy >= xga->accel.mask_map_origin_y_off) && (xga->accel.dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
if ((xga->accel.dx >= xga->accel.mask_map_origin_x_off) && (xga->accel.dx <= ((xga->accel.px_map_width[0] & 0xfff) + xga->accel.mask_map_origin_x_off)) && (xga->accel.dy >= xga->accel.mask_map_origin_y_off) && (xga->accel.dy <= ((xga->accel.px_map_height[0] & 0xfff) + xga->accel.mask_map_origin_y_off))) {
if (mix)
src_dat = (((xga->accel.command >> 28) & 3) == 2) ? xga_accel_read_map_pixel(svga, xga->accel.sx, xga->accel.sy, xga->accel.src_map, srcbase, srcwidth + 1) : xga->accel.frgd_color;
else
@@ -1383,13 +1375,7 @@ xga_bitblt(svga_t *svga)
dest_dat = xga_accel_read_map_pixel(svga, xga->accel.dx, xga->accel.dy, xga->accel.dst_map, dstbase, dstwidth + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(mix, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1404,13 +1390,7 @@ xga_bitblt(svga_t *svga)
dest_dat = xga_accel_read_map_pixel(svga, xga->accel.dx, xga->accel.dy, xga->accel.dst_map, dstbase, dstwidth + 1);
if ((xga->accel.cc_cond == 4) ||
((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) ||
((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) ||
((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) ||
((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) ||
((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) ||
((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
if ((xga->accel.cc_cond == 4) || ((xga->accel.cc_cond == 1) && (dest_dat > color_cmp)) || ((xga->accel.cc_cond == 2) && (dest_dat == color_cmp)) || ((xga->accel.cc_cond == 3) && (dest_dat < color_cmp)) || ((xga->accel.cc_cond == 5) && (dest_dat >= color_cmp)) || ((xga->accel.cc_cond == 6) && (dest_dat != color_cmp)) || ((xga->accel.cc_cond == 7) && (dest_dat <= color_cmp))) {
old_dest_dat = dest_dat;
ROP(mix, dest_dat, src_dat);
dest_dat = (dest_dat & plane_mask) | (old_dest_dat & ~plane_mask);
@@ -1418,7 +1398,6 @@ xga_bitblt(svga_t *svga)
}
}
xga->accel.sx += xdir;
if (xga->accel.pattern)
xga->accel.px = ((xga->accel.px + xdir) & patwidth) | (xga->accel.px & ~patwidth);
@@ -2433,8 +2412,7 @@ xga_readl_linear(uint32_t addr, void *p)
if (!xga->on)
return svga_readl_linear(addr, svga);
return xga_read_linear(addr, p) | (xga_read_linear(addr + 1, p) << 8) |
(xga_read_linear(addr + 2, p) << 16) | (xga_read_linear(addr + 3, p) << 24);
return xga_read_linear(addr, p) | (xga_read_linear(addr + 1, p) << 8) | (xga_read_linear(addr + 2, p) << 16) | (xga_read_linear(addr + 3, p) << 24);
}
static void
@@ -2476,8 +2454,7 @@ xga_poll(xga_t *xga, svga_t *svga)
xga->hwcursor_oddeven = 0;
}
if (xga->displine == (xga->hwcursor_latch.y + 1) && xga->hwcursor_latch.ena &&
xga->interlace) {
if (xga->displine == (xga->hwcursor_latch.y + 1) && xga->hwcursor_latch.ena && xga->interlace) {
xga->hwcursor_on = xga->hwcursor_latch.cur_ysize - (xga->cursor_data_on ? 33 : 1);
xga->hwcursor_oddeven = 1;
}
@@ -2496,8 +2473,7 @@ xga_poll(xga_t *xga, svga_t *svga)
}
if (xga->hwcursor_on) {
xga->changedvram[xga->ma >> 12] = xga->changedvram[(xga->ma >> 12) + 1] =
xga->interlace ? 3 : 2;
xga->changedvram[xga->ma >> 12] = xga->changedvram[(xga->ma >> 12) + 1] = xga->interlace ? 3 : 2;
}
xga_do_render(svga);
@@ -2638,7 +2614,6 @@ xga_mca_write(int port, uint8_t val, void *priv)
if (!(xga->pos_regs[4] & 1)) /*MCA 4MB addressing on systems with more than 16MB of memory*/
xga->pos_regs[4] |= 1;
//pclog("[%04X:%08X]: POS Write Port = %x, val = %02x, linear base = %08x, instance = %d, rom addr = %05x\n", CS, cpu_state.pc, port & 7, val, xga->linear_base, xga->instance, xga->rom_addr);
if (xga->pos_regs[2] & 1) {
xga->instance = (xga->pos_regs[2] & 0x0e) >> 1;
xga->base_addr_1mb = (xga->pos_regs[5] & 0x0f) << 20;
@@ -2646,11 +2621,15 @@ xga_mca_write(int port, uint8_t val, void *priv)
xga->rom_addr = 0xc0000 + (((xga->pos_regs[2] & 0xf0) >> 4) * 0x2000);
io_sethandler(0x2100 + (xga->instance << 4), 0x0010, xga_ext_inb, NULL, NULL, xga_ext_outb, NULL, NULL, svga);
if ((port & 7) == 2)
if (xga->pos_regs[3] & 1) {
mem_mapping_set_addr(&xga->bios_rom.mapping, xga->rom_addr, 0x2000);
} else {
mem_mapping_set_addr(&xga->memio_mapping, xga->rom_addr + 0x1c00 + (xga->instance * 0x80), 0x80);
}
}
// pclog("[%04X:%08X]: POS Write Port = %x, val = %02x, linear base = %08x, instance = %d, rom addr = %05x\n", CS, cpu_state.pc, port & 7, val, xga->linear_base, xga->instance, xga->rom_addr);
}
static uint8_t
xga_mca_feedb(void *priv)
@@ -2678,7 +2657,8 @@ xga_pos_in(uint16_t addr, void *priv)
}
static void
*xga_init(const device_t *info)
*
xga_init(const device_t *info)
{
svga_t *svga = svga_get_pri();
xga_t *xga = &svga->xga;