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Can now configure RAM size on CL-GD5429.

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This commit is contained in:
SarahW 2018-02-16 20:10:39 +00:00
commit d713ad4555
1 changed files with 34 additions and 3 deletions
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37
src/vid_cl5429.c
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@ -90,7 +90,7 @@ void gd5429_out(uint16_t addr, uint8_t val, void *p)
// pclog("svga->hwcursor.ena = %i\n", svga->hwcursor.ena); // pclog("svga->hwcursor.ena = %i\n", svga->hwcursor.ena);
break; break;
case 0x13: case 0x13:
svga->hwcursor.addr = 0x1fc000 + ((val & 0x3f) * 256); svga->hwcursor.addr = (0x1fc000 + ((val & 0x3f) * 256)) & svga->vram_mask;
// pclog("svga->hwcursor.addr = %x\n", svga->hwcursor.addr); // pclog("svga->hwcursor.addr = %x\n", svga->hwcursor.addr);
break; break;
@ -1103,11 +1103,14 @@ void *gd5429_init()
{ {
gd5429_t *gd5429 = malloc(sizeof(gd5429_t)); gd5429_t *gd5429 = malloc(sizeof(gd5429_t));
svga_t *svga = &gd5429->svga; svga_t *svga = &gd5429->svga;
int vram_size;
memset(gd5429, 0, sizeof(gd5429_t)); memset(gd5429, 0, sizeof(gd5429_t));
vram_size = device_get_config_int("memory");
rom_init(&gd5429->bios_rom, "5429.vbi", 0xc0000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL); rom_init(&gd5429->bios_rom, "5429.vbi", 0xc0000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL);
svga_init(&gd5429->svga, gd5429, 1 << 21, /*2mb*/ svga_init(&gd5429->svga, gd5429, vram_size << 20,
gd5429_recalctimings, gd5429_recalctimings,
gd5429_in, gd5429_out, gd5429_in, gd5429_out,
gd5429_hwcursor_draw, gd5429_hwcursor_draw,
@ -1174,6 +1177,33 @@ void gd5429_add_status_info(char *s, int max_len, void *p)
svga_add_status_info(s, max_len, &gd5429->svga); svga_add_status_info(s, max_len, &gd5429->svga);
} }
static device_config_t gd5429_config[] =
{
{
.name = "memory",
.description = "Memory size",
.type = CONFIG_SELECTION,
.selection =
{
{
.description = "1 MB",
.value = 1
},
{
.description = "2 MB",
.value = 2
},
{
.description = ""
}
},
.default_int = 2
},
{
.type = -1
}
};
device_t gd5429_device = device_t gd5429_device =
{ {
"Cirrus Logic GD5429", "Cirrus Logic GD5429",
@ -1183,5 +1213,6 @@ device_t gd5429_device =
gd5429_available, gd5429_available,
gd5429_speed_changed, gd5429_speed_changed,
gd5429_force_redraw, gd5429_force_redraw,
gd5429_add_status_info gd5429_add_status_info,
gd5429_config
}; };