claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'master' of github.com:OBattler/86Box into tc1995

Browse Source 
# Conflicts:
#	src/video/vid_ati_mach64.c
This commit is contained in:
TC1995
2018-03-16 14:05:57 +01:00
parent 0e015d90d2 cb53faacb2
commit 8e575fbcac
11 changed files with 219 additions and 128 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/disk/hdc_ide.c
View File

@@ -9,7 +9,7 @@
* Implementation of the IDE emulation for hard disks and ATAPI * Implementation of the IDE emulation for hard disks and ATAPI
* CD-ROM devices. * CD-ROM devices.
* *
* Version: @(#)hdc_ide.c 1.0.33 2018/03/15 * Version: @(#)hdc_ide.c 1.0.34 2018/03/15
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -20,10 +20,11 @@
#define __USE_LARGEFILE64 #define __USE_LARGEFILE64
#define _LARGEFILE_SOURCE #define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE #define _LARGEFILE64_SOURCE
#include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdint.h> #include <stdint.h>
#include <stdlib.h>
#include <string.h> #include <string.h>
#include <stdarg.h>
#include <inttypes.h> #include <inttypes.h>
#include <wchar.h> #include <wchar.h>
#define HAVE_STDARG_H #define HAVE_STDARG_H
@@ -793,6 +794,24 @@ void ide_ter_disable_cond();
void ide_qua_disable_cond(); void ide_qua_disable_cond();
void ide_destroy_buffers(void)
{
int d;
for (d = 0; d < (IDE_NUM+XTIDE_NUM); d++)
{
if (ide_drives[d].buffer) {
free(ide_drives[d].buffer);
ide_drives[d].buffer = NULL;
}
if (ide_drives[d].sector_buffer) {
free(ide_drives[d].sector_buffer);
ide_drives[d].sector_buffer = NULL;
}
}
}
void ide_reset(void) void ide_reset(void)
{ {
int c, d; int c, d;
@@ -818,8 +837,18 @@ void ide_reset(void)
ide_drives[d].atastat = READY_STAT | DSC_STAT; ide_drives[d].atastat = READY_STAT | DSC_STAT;
ide_drives[d].service = 0; ide_drives[d].service = 0;
ide_drives[d].board = d >> 1; ide_drives[d].board = d >> 1;
if (ide_drives[d].buffer) {
free(ide_drives[d].buffer);
ide_drives[d].buffer = NULL;
}
if (ide_drives[d].sector_buffer) {
free(ide_drives[d].sector_buffer);
ide_drives[d].sector_buffer = NULL;
}
} }
idecallback[0]=idecallback[1]=0LL; idecallback[0]=idecallback[1]=0LL;
idecallback[2]=idecallback[3]=0LL; idecallback[2]=idecallback[3]=0LL;
idecallback[4]=0LL; idecallback[4]=0LL;
@@ -832,12 +861,16 @@ void ide_reset(void)
{ {
ide_log("Found IDE hard disk on channel %i\n", hdd[d].ide_channel); ide_log("Found IDE hard disk on channel %i\n", hdd[d].ide_channel);
loadhd(&ide_drives[hdd[d].ide_channel], d, hdd[d].fn); loadhd(&ide_drives[hdd[d].ide_channel], d, hdd[d].fn);
ide_drives[hdd[d].ide_channel].sector_buffer = NULL; /* Important, makes sure malloc does not reuse an existing pointer from elsewhere. */
ide_drives[hdd[d].ide_channel].sector_buffer = (uint8_t *) malloc(256*512);
if (++c >= (IDE_NUM+XTIDE_NUM)) break; if (++c >= (IDE_NUM+XTIDE_NUM)) break;
} }
if ((hdd[d].bus==HDD_BUS_XTIDE) && (hdd[d].xtide_channel < XTIDE_NUM)) if ((hdd[d].bus==HDD_BUS_XTIDE) && (hdd[d].xtide_channel < XTIDE_NUM))
{ {
ide_log("Found XT IDE hard disk on channel %i\n", hdd[d].xtide_channel); ide_log("Found XT IDE hard disk on channel %i\n", hdd[d].xtide_channel);
loadhd(&ide_drives[hdd[d].xtide_channel | 8], d, hdd[d].fn); loadhd(&ide_drives[hdd[d].xtide_channel | 8], d, hdd[d].fn);
ide_drives[hdd[d].xtide_channel | 8].sector_buffer = NULL; /* Important, makes sure malloc does not reuse an existing pointer from elsewhere. */
ide_drives[hdd[d].xtide_channel | 8].sector_buffer = (uint8_t *) malloc(256*512);
if (++c >= (IDE_NUM+XTIDE_NUM)) break; if (++c >= (IDE_NUM+XTIDE_NUM)) break;
} }
} }
@@ -845,13 +878,14 @@ void ide_reset(void)
for (d = 0; d < IDE_NUM; d++) for (d = 0; d < IDE_NUM; d++)
{ {
if (ide_drive_is_zip(&ide_drives[d]) && (ide_drives[d].type != IDE_HDD)) if (ide_drive_is_zip(&ide_drives[d]) && (ide_drives[d].type == IDE_NONE))
{
ide_drives[d].type = IDE_ZIP; ide_drives[d].type = IDE_ZIP;
} else if (ide_drive_is_cdrom(&ide_drives[d]) && (ide_drives[d].type == IDE_NONE))
else if (ide_drive_is_cdrom(&ide_drives[d]) && (ide_drives[d].type != IDE_HDD))
{
ide_drives[d].type = IDE_CDROM; ide_drives[d].type = IDE_CDROM;
if (ide_drives[d].type != IDE_NONE) {
ide_drives[d].buffer = NULL; /* Important, makes sure malloc does not reuse an existing pointer from elsewhere. */
ide_drives[d].buffer = (uint16_t *) malloc(65536);
} }
ide_set_signature(&ide_drives[d]); ide_set_signature(&ide_drives[d]);

7
src/disk/hdc_ide.h
View File

@@ -9,7 +9,7 @@
* Implementation of the IDE emulation for hard disks and ATAPI * Implementation of the IDE emulation for hard disks and ATAPI
* CD-ROM devices. * CD-ROM devices.
* *
* Version: @(#)hdd_ide.h 1.0.6 2018/02/14 * Version: @(#)hdd_ide.h 1.0.7 2018/03/15
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -36,7 +36,7 @@ typedef struct {
int packetstatus; int packetstatus;
uint8_t asc; uint8_t asc;
int reset; int reset;
uint16_t buffer[65536]; uint16_t *buffer;
int irqstat; int irqstat;
int service; int service;
int lba; int lba;
@@ -49,7 +49,7 @@ typedef struct {
int hdd_num; int hdd_num;
uint8_t specify_success; uint8_t specify_success;
int mdma_mode; int mdma_mode;
uint8_t sector_buffer[256*512]; uint8_t *sector_buffer;
int do_initial_read; int do_initial_read;
int sector_pos; int sector_pos;
} IDE; } IDE;
@@ -104,6 +104,7 @@ extern void ide_set_callback(uint8_t channel, int64_t callback);
extern void secondary_ide_check(void); extern void secondary_ide_check(void);
extern void ide_padstr8(uint8_t *buf, int buf_size, const char *src); extern void ide_padstr8(uint8_t *buf, int buf_size, const char *src);
extern void ide_destroy_buffers(void);
extern int (*ide_bus_master_read)(int channel, uint8_t *data, int transfer_length); extern int (*ide_bus_master_read)(int channel, uint8_t *data, int transfer_length);
extern int (*ide_bus_master_write)(int channel, uint8_t *data, int transfer_length); extern int (*ide_bus_master_write)(int channel, uint8_t *data, int transfer_length);

63
src/machine/m_ps2_mca.c
View File

@@ -40,8 +40,9 @@ static struct
uint8_t io_id; uint8_t io_id;
mem_mapping_t shadow_mapping; mem_mapping_t shadow_mapping;
mem_mapping_t split_mapping;
mem_mapping_t expansion_mapping; mem_mapping_t expansion_mapping;
mem_mapping_t cache_mapping; mem_mapping_t cache_mapping;
uint8_t (*planar_read)(uint16_t port); uint8_t (*planar_read)(uint16_t port);
void (*planar_write)(uint16_t port, uint8_t val); void (*planar_write)(uint16_t port, uint8_t val);
@@ -49,11 +50,12 @@ static struct
uint8_t mem_regs[3]; uint8_t mem_regs[3];
uint32_t split_addr, split_size; uint32_t split_addr, split_size;
uint32_t split_phys;
uint8_t mem_pos_regs[8]; uint8_t mem_pos_regs[8];
uint8_t mem_2mb_pos_regs[8]; uint8_t mem_2mb_pos_regs[8];
int pending_cache_miss; int pending_cache_miss;
} ps2; } ps2;
/*The model 70 type 3/4 BIOS performs cache testing. Since 86Box doesn't have any /*The model 70 type 3/4 BIOS performs cache testing. Since 86Box doesn't have any
@@ -173,6 +175,37 @@ static void ps2_write_shadow_raml(uint32_t addr, uint32_t val, void *priv)
mem_write_raml(addr, val, priv); mem_write_raml(addr, val, priv);
} }
static uint8_t ps2_read_split_ram(uint32_t addr, void *priv)
{
addr = (addr % (ps2.split_size << 10)) + ps2.split_phys;
return mem_read_ram(addr, priv);
}
static uint16_t ps2_read_split_ramw(uint32_t addr, void *priv)
{
addr = (addr % (ps2.split_size << 10)) + ps2.split_phys;
return mem_read_ramw(addr, priv);
}
static uint32_t ps2_read_split_raml(uint32_t addr, void *priv)
{
addr = (addr % (ps2.split_size << 10)) + ps2.split_phys;
return mem_read_raml(addr, priv);
}
static void ps2_write_split_ram(uint32_t addr, uint8_t val, void *priv)
{
addr = (addr % (ps2.split_size << 10)) + ps2.split_phys;
mem_write_ram(addr, val, priv);
}
static void ps2_write_split_ramw(uint32_t addr, uint16_t val, void *priv)
{
addr = (addr % (ps2.split_size << 10)) + ps2.split_phys;
mem_write_ramw(addr, val, priv);
}
static void ps2_write_split_raml(uint32_t addr, uint32_t val, void *priv)
{
addr = (addr % (ps2.split_size << 10)) + ps2.split_phys;
mem_write_raml(addr, val, priv);
}
#define PS2_SETUP_IO 0x80 #define PS2_SETUP_IO 0x80
#define PS2_SETUP_VGA 0x20 #define PS2_SETUP_VGA 0x20
@@ -839,7 +872,7 @@ static void ps2_mca_board_model_55sx_init()
static void mem_encoding_update() static void mem_encoding_update()
{ {
mem_split_disable(ps2.split_size, ps2.split_addr); mem_mapping_disable(&ps2.split_mapping);
ps2.split_addr = ((uint32_t) (ps2.mem_regs[0] & 0xf)) << 20; ps2.split_addr = ((uint32_t) (ps2.mem_regs[0] & 0xf)) << 20;
@@ -861,12 +894,16 @@ static void mem_encoding_update()
if (!(ps2.mem_regs[1] & 8)) if (!(ps2.mem_regs[1] & 8))
{ {
if (ps2.mem_regs[1] & 4) if (ps2.mem_regs[1] & 4) {
ps2.split_size = 384; ps2.split_size = 384;
else ps2.split_phys = 0x80000;
} else {
ps2.split_size = 256; ps2.split_size = 256;
ps2.split_phys = 0xa0000;
}
mem_split_enable(ps2.split_size, ps2.split_addr); mem_mapping_set_exec(&ps2.split_mapping, &ram[ps2.split_phys]);
mem_mapping_set_addr(&ps2.split_mapping, ps2.split_addr, ps2.split_size << 10);
/* pclog("PS/2 Model 80-111: Split memory block enabled at %08X\n", ps2.split_addr); */ /* pclog("PS/2 Model 80-111: Split memory block enabled at %08X\n", ps2.split_addr); */
} /* else { } /* else {
@@ -1108,6 +1145,20 @@ static void ps2_mca_board_model_80_type2_init(int is486)
ps2.mem_regs[0] |= ((mem_size/1024) & 0x0f); ps2.mem_regs[0] |= ((mem_size/1024) & 0x0f);
mem_mapping_add(&ps2.split_mapping,
(mem_size+256) * 1024,
256*1024,
ps2_read_split_ram,
ps2_read_split_ramw,
ps2_read_split_raml,
ps2_write_split_ram,
ps2_write_split_ramw,
ps2_write_split_raml,
&ram[0xa0000],
MEM_MAPPING_INTERNAL,
NULL);
mem_mapping_disable(&ps2.split_mapping);
if ((mem_size > 4096) && !is486) if ((mem_size > 4096) && !is486)
{ {
/* Only 4 MB supported on planar, create a memory expansion card for the rest */ /* Only 4 MB supported on planar, create a memory expansion card for the rest */

75
src/mem.c
View File

@@ -1334,13 +1334,16 @@ void mem_resize_pages(void)
if (AT) { if (AT) {
if (cpu_16bitbus) if (cpu_16bitbus)
total_size = 4096; total_size = 4096;
else else {
total_size = 1048576; total_size = (mem_size + 384) >> 2;
if ((total_size << 2) < (mem_size + 384))
total_size++;
if (total_size < 4096)
total_size = 4096;
}
} else } else
total_size = 256; total_size = 256;
pclog("%i pages\n", total_size);
pages = malloc(total_size * sizeof(page_t)); pages = malloc(total_size * sizeof(page_t));
memset(pages, 0, total_size * sizeof(page_t)); memset(pages, 0, total_size * sizeof(page_t));
@@ -1469,70 +1472,6 @@ void mem_remap_top_384k()
mem_remap_top(384); mem_remap_top(384);
} }
void mem_split_enable(int max_size, uint32_t addr)
{
int c;
uint8_t *mem_split_buffer = &ram[0x80000];
if (split_mapping_enabled)
return;
#if 0
pclog("Split mapping enable at %08X\n", addr);
#endif
mem_set_mem_state(addr, max_size * 1024, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
mem_mapping_set_addr(&ram_split_mapping, addr, max_size * 1024);
mem_mapping_set_exec(&ram_split_mapping, &ram[addr]);
if (max_size == 384)
memcpy(&ram[addr], mem_split_buffer, max_size);
else
memcpy(&ram[addr], &mem_split_buffer[128 * 1024], max_size);
for (c = ((addr / 1024) / 64); c < (((addr / 1024) + max_size - 1) / 64); c++)
{
isram[c] = 1;
}
flushmmucache();
split_mapping_enabled = 1;
}
void mem_split_disable(int max_size, uint32_t addr)
{
int c;
uint8_t *mem_split_buffer = &ram[0x80000];
if (!split_mapping_enabled)
return;
#if 0
pclog("Split mapping disable at %08X\n", addr);
#endif
if (max_size == 384)
memcpy(mem_split_buffer, &ram[addr], max_size);
else
memcpy(&mem_split_buffer[128 * 1024], &ram[addr], max_size);
mem_mapping_disable(&ram_split_mapping);
mem_set_mem_state(addr, max_size * 1024, 0);
mem_mapping_set_exec(&ram_split_mapping, NULL);
for (c = ((addr / 1024) / 64); c < (((addr / 1024) + max_size - 1) / 64); c++)
{
isram[c] = 0;
}
flushmmucache();
split_mapping_enabled = 0;
}
void mem_resize() void mem_resize()
{ {
int c; int c;

3
src/mem.h
View File

@@ -231,9 +231,6 @@ extern void flushmmucache_cr3(void);
extern void flushmmucache_nopc(void); extern void flushmmucache_nopc(void);
extern void mmu_invalidate(uint32_t addr); extern void mmu_invalidate(uint32_t addr);
extern void mem_split_enable(int max_size, uint32_t addr);
extern void mem_split_disable(int max_size, uint32_t addr);
extern void mem_add_bios(void); extern void mem_add_bios(void);

4
src/pc.c
View File

@@ -8,7 +8,7 @@
* *
* Main emulator module where most things are controlled. * Main emulator module where most things are controlled.
* *
* Version: @(#)pc.c 1.0.63 2018/03/13 * Version: @(#)pc.c 1.0.64 2018/03/15
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -968,6 +968,8 @@ pc_close(thread_t *ptr)
sound_cd_thread_end(); sound_cd_thread_end();
mem_destroy_pages(); mem_destroy_pages();
ide_destroy_buffers();
} }

6
src/rom.c
View File

@@ -13,7 +13,7 @@
* - c386sx16 BIOS fails checksum * - c386sx16 BIOS fails checksum
* - the loadfont() calls should be done elsewhere * - the loadfont() calls should be done elsewhere
* *
* Version: @(#)rom.c 1.0.34 2018/03/11 * Version: @(#)rom.c 1.0.35 2018/03/16
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -721,7 +721,7 @@ rom_load_bios(int rom_id)
if (! rom_load_interleaved( if (! rom_load_interleaved(
L"roms/machines/ibmps2_m70_type3/70-a_even.bin", L"roms/machines/ibmps2_m70_type3/70-a_even.bin",
L"roms/machines/ibmps2_m70_type3/70-a_odd.bin", L"roms/machines/ibmps2_m70_type3/70-a_odd.bin",
0x000000, 65536, 0, rom)) break; 0x000000, 131072, 0, rom)) break;
biosmask = 0x1ffff; biosmask = 0x1ffff;
return(1); return(1);
@@ -729,7 +729,7 @@ rom_load_bios(int rom_id)
if (! rom_load_interleaved( if (! rom_load_interleaved(
L"roms/machines/ibmps2_m70_type4/70-b_even.bin", L"roms/machines/ibmps2_m70_type4/70-b_even.bin",
L"roms/machines/ibmps2_m70_type4/70-b_odd.bin", L"roms/machines/ibmps2_m70_type4/70-b_odd.bin",
0x000000, 65536, 0, rom)) break; 0x000000, 131072, 0, rom)) break;
biosmask = 0x1ffff; biosmask = 0x1ffff;
return(1); return(1);

35
src/video/vid_ati18800.c
View File

@@ -8,7 +8,7 @@
* *
* ATI 18800 emulation (VGA Edge-16) * ATI 18800 emulation (VGA Edge-16)
* *
* Version: @(#)vid_ati18800.c 1.0.6 2018/03/15 * Version: @(#)vid_ati18800.c 1.0.7 2018/03/16
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -150,6 +150,39 @@ static uint8_t ati18800_in(uint16_t addr, void *p)
case 0x3D5: case 0x3D5:
temp = svga->crtc[svga->crtcreg]; temp = svga->crtc[svga->crtcreg];
break; break;
case 0x3DA:
svga->attrff = 0;
svga->attrff = 0;
svga->cgastat &= ~0x30;
/* copy color diagnostic info from the overscan color register */
switch (svga->attrregs[0x12] & 0x30)
{
case 0x00: /* P0 and P2 */
if (svga->attrregs[0x11] & 0x01)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x04)
svga->cgastat |= 0x20;
break;
case 0x10: /* P4 and P5 */
if (svga->attrregs[0x11] & 0x10)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x20)
svga->cgastat |= 0x20;
break;
case 0x20: /* P1 and P3 */
if (svga->attrregs[0x11] & 0x02)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x08)
svga->cgastat |= 0x20;
break;
case 0x30: /* P6 and P7 */
if (svga->attrregs[0x11] & 0x40)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x80)
svga->cgastat |= 0x20;
break;
}
return svga->cgastat;
default: default:
temp = svga_in(addr, svga); temp = svga_in(addr, svga);
break; break;

35
src/video/vid_ati28800.c
View File

@@ -8,7 +8,7 @@
* *
* ATI 28800 emulation (VGA Charger and Korean VGA) * ATI 28800 emulation (VGA Charger and Korean VGA)
* *
* Version: @(#)vid_ati28800.c 1.0.11 2018/03/15 * Version: @(#)vid_ati28800.c 1.0.12 2018/03/16
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -246,6 +246,39 @@ static uint8_t ati28800_in(uint16_t addr, void *p)
case 0x3D5: case 0x3D5:
temp = svga->crtc[svga->crtcreg]; temp = svga->crtc[svga->crtcreg];
break; break;
case 0x3DA:
svga->attrff = 0;
svga->attrff = 0;
svga->cgastat &= ~0x30;
/* copy color diagnostic info from the overscan color register */
switch (svga->attrregs[0x12] & 0x30)
{
case 0x00: /* P0 and P2 */
if (svga->attrregs[0x11] & 0x01)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x04)
svga->cgastat |= 0x20;
break;
case 0x10: /* P4 and P5 */
if (svga->attrregs[0x11] & 0x10)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x20)
svga->cgastat |= 0x20;
break;
case 0x20: /* P1 and P3 */
if (svga->attrregs[0x11] & 0x02)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x08)
svga->cgastat |= 0x20;
break;
case 0x30: /* P6 and P7 */
if (svga->attrregs[0x11] & 0x40)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x80)
svga->cgastat |= 0x20;
break;
}
return svga->cgastat;
default: default:
temp = svga_in(addr, svga); temp = svga_in(addr, svga);
break; break;

35
src/video/vid_ati_mach64.c
View File

@@ -8,7 +8,7 @@
* *
* ATi Mach64 graphics card emulation. * ATi Mach64 graphics card emulation.
* *
* Version: @(#)vid_ati_mach64.c 1.0.13 2018/03/02 * Version: @(#)vid_ati_mach64.c 1.0.16 2018/03/16
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -431,6 +431,39 @@ uint8_t mach64_in(uint16_t addr, void *p)
if (svga->crtcreg > 0x18) if (svga->crtcreg > 0x18)
return 0xff; return 0xff;
return svga->crtc[svga->crtcreg]; return svga->crtc[svga->crtcreg];
case 0x3DA:
svga->attrff = 0;
svga->attrff = 0;
svga->cgastat &= ~0x30;
/* copy color diagnostic info from the overscan color register */
switch (svga->attrregs[0x12] & 0x30)
{
case 0x00: /* P0 and P2 */
if (svga->attrregs[0x11] & 0x01)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x04)
svga->cgastat |= 0x20;
break;
case 0x10: /* P4 and P5 */
if (svga->attrregs[0x11] & 0x10)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x20)
svga->cgastat |= 0x20;
break;
case 0x20: /* P1 and P3 */
if (svga->attrregs[0x11] & 0x02)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x08)
svga->cgastat |= 0x20;
break;
case 0x30: /* P6 and P7 */
if (svga->attrregs[0x11] & 0x40)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x80)
svga->cgastat |= 0x20;
break;
}
return svga->cgastat;
} }
return svga_in(addr, svga); return svga_in(addr, svga);
} }

34
src/video/vid_svga.c
View File

@@ -11,7 +11,7 @@
* This is intended to be used by another SVGA driver, * This is intended to be used by another SVGA driver,
* and not as a card in it's own right. * and not as a card in it's own right.
* *
* Version: @(#)vid_svga.c 1.0.25 2018/03/12 * Version: @(#)vid_svga.c 1.0.26 2018/03/16
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
@@ -295,43 +295,11 @@ uint8_t svga_in(uint16_t addr, void *p)
svga->attrff = 0; svga->attrff = 0;
svga->attrff = 0; svga->attrff = 0;
/* old diagnostic code
if (svga->cgastat & 0x01) if (svga->cgastat & 0x01)
svga->cgastat &= ~0x30; svga->cgastat &= ~0x30;
else else
svga->cgastat ^= 0x30; svga->cgastat ^= 0x30;
return svga->cgastat; return svga->cgastat;
*/
svga->cgastat &= ~0x30;
/* copy color diagnostic info from the overscan color register */
switch (svga->attrregs[0x12] & 0x30)
{
case 0x00: /* P0 and P2 */
if (svga->attrregs[0x11] & 0x01)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x04)
svga->cgastat |= 0x20;
break;
case 0x10: /* P4 and P5 */
if (svga->attrregs[0x11] & 0x10)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x20)
svga->cgastat |= 0x20;
break;
case 0x20: /* P1 and P3 */
if (svga->attrregs[0x11] & 0x02)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x08)
svga->cgastat |= 0x20;
break;
case 0x30: /* P6 and P7 */
if (svga->attrregs[0x11] & 0x40)
svga->cgastat |= 0x10;
if (svga->attrregs[0x11] & 0x80)
svga->cgastat |= 0x20;
break;
}
return svga->cgastat;
} }
return 0xFF; return 0xFF;
} }