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Added the SCAMP chipset, onboard AVGA2 and corresponding machine (Commodore SL386SX-25).

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This commit is contained in:
TC1995
2020-01-22 17:26:36 +01:00
parent 4f6d27a8f4
commit 299c47925e
11 changed files with 845 additions and 37 deletions
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57
src/video/vid_cl54xx.c
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@@ -9,7 +9,7 @@
* Emulation of select Cirrus Logic cards (CL-GD 5428,
* CL-GD 5429, CL-GD 5430, CL-GD 5434 and CL-GD 5436 are supported).
*
* Version: @(#)vid_cl_54xx.c 1.0.32 2020/01/11
* Version: @(#)vid_cl_54xx.c 1.0.32 2020/01/22
*
* Authors: TheCollector1995,
* Miran Grca, <mgrca8@gmail.com>
@@ -36,10 +36,13 @@
#include "vid_svga_render.h"
#include "vid_cl54xx.h"
#if defined(DEV_BRANCH) && defined(USE_CL5422)
#define BIOS_GD5402_PATH L"roms/video/cirruslogic/avga2.rom"
#define BIOS_GD5420_PATH L"roms/video/cirruslogic/5420.vbi"
#if defined(DEV_BRANCH) && defined(USE_CL5422)
#define BIOS_GD5422_PATH L"roms/video/cirruslogic/cl5422.bin"
#endif
#define BIOS_GD5426_PATH L"roms/video/cirruslogic/Diamond SpeedStar PRO VLB v3.04.bin"
#define BIOS_GD5428_ISA_PATH L"roms/video/cirruslogic/5428.bin"
#define BIOS_GD5428_PATH L"roms/video/cirruslogic/vlbusjapan.BIN"
@@ -2906,21 +2909,25 @@ static void
gd54xx->has_bios = 1;
switch (id) {
#if defined(DEV_BRANCH) && defined(USE_CL5422)
case CIRRUS_ID_CLGD5402:
romfn = BIOS_GD5402_PATH;
break;
case CIRRUS_ID_CLGD5420:
romfn = BIOS_GD5420_PATH;
break;
#if defined(DEV_BRANCH) && defined(USE_CL5422)
case CIRRUS_ID_CLGD5422:
case CIRRUS_ID_CLGD5424:
romfn = BIOS_GD5422_PATH;
break;
#endif
case CIRRUS_ID_CLGD5426:
romfn = BIOS_GD5426_PATH;
break;
case CIRRUS_ID_CLGD5428:
if (gd54xx->vlb)
romfn = BIOS_GD5428_PATH;
@@ -3021,7 +3028,6 @@ static void
svga->hwcursor.yoff = 32;
svga->hwcursor.xoff = 0;
#if defined(DEV_BRANCH) && defined(USE_CL5422)
if (id >= CIRRUS_ID_CLGD5420) {
gd54xx->vclk_n[0] = 0x4a;
gd54xx->vclk_d[0] = 0x2b;
@@ -3041,16 +3047,6 @@ static void
gd54xx->vclk_n[3] = 0x7e;
gd54xx->vclk_d[3] = 0x33;
}
#else
gd54xx->vclk_n[0] = 0x4a;
gd54xx->vclk_d[0] = 0x2b;
gd54xx->vclk_n[1] = 0x5b;
gd54xx->vclk_d[1] = 0x2f;
gd54xx->vclk_n[2] = 0x45;
gd54xx->vclk_d[2] = 0x30;
gd54xx->vclk_n[3] = 0x7e;
gd54xx->vclk_d[3] = 0x33;
#endif
svga->extra_banks[1] = 0x8000;
@@ -3072,13 +3068,19 @@ static void
return gd54xx;
}
#if defined(DEV_BRANCH) && defined(USE_CL5422)
static int
gd5402_available(void)
{
return rom_present(BIOS_GD5402_PATH);
}
static int
gd5420_available(void)
{
return rom_present(BIOS_GD5420_PATH);
}
#if defined(DEV_BRANCH) && defined(USE_CL5422)
static int
gd5422_available(void)
{
@@ -3186,7 +3188,6 @@ gd54xx_force_redraw(void *p)
gd54xx->svga.fullchange = changeframecount;
}
#if defined(DEV_BRANCH) && defined(USE_CL5422)
static const device_config_t gd5422_config[] =
{
{
@@ -3207,7 +3208,6 @@ static const device_config_t gd5422_config[] =
"","",-1
}
};
#endif
static const device_config_t gd5428_config[] =
{
@@ -3290,7 +3290,6 @@ static const device_config_t gd5434_config[] =
}
};
#if defined(DEV_BRANCH) && defined(USE_CL5422)
const device_t gd5402_isa_device =
{
"Cirrus Logic GD-5402 (ACUMOS AVGA2)",
@@ -3298,7 +3297,20 @@ const device_t gd5402_isa_device =
CIRRUS_ID_CLGD5402,
gd54xx_init, gd54xx_close,
NULL,
gd5420_available, /* Common BIOS between 5402 and 5420 */
gd5402_available,
gd54xx_speed_changed,
gd54xx_force_redraw,
NULL,
};
const device_t gd5402_onboard_device =
{
"Cirrus Logic GD-5402 (ACUMOS AVGA2) (On-Board)",
DEVICE_AT | DEVICE_ISA,
CIRRUS_ID_CLGD5402,
gd54xx_init, gd54xx_close,
NULL,
NULL,
gd54xx_speed_changed,
gd54xx_force_redraw,
NULL,
@@ -3311,12 +3323,13 @@ const device_t gd5420_isa_device =
CIRRUS_ID_CLGD5420,
gd54xx_init, gd54xx_close,
NULL,
gd5420_available, /* Common BIOS between 5402 and 5420 */
gd5420_available,
gd54xx_speed_changed,
gd54xx_force_redraw,
gd5422_config,
};
#if defined(DEV_BRANCH) && defined(USE_CL5422)
const device_t gd5422_isa_device = {
"Cirrus Logic GD-5422",
DEVICE_AT | DEVICE_ISA,