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Added configurable VRAM for Mach64, ET4000/w32p, Oak and Trident graphics cards.

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This commit is contained in:
TomW 2014-07-14 21:56:10 +01:00
commit 4657e9f2c5
6 changed files with 241 additions and 36 deletions
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37
src/vid_tgui9440.c
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@ -53,6 +53,8 @@ typedef struct tgui_t
uint8_t ramdac_ctrl;
int clock_m, clock_n, clock_k;
uint32_t vram_size, vram_mask;
} tgui_t;
void tgui_recalcmapping(tgui_t *tgui);
@ -470,9 +472,12 @@ void *tgui9440_init()
tgui_t *tgui = malloc(sizeof(tgui_t));
memset(tgui, 0, sizeof(tgui_t));
tgui->vram_size = device_get_config_int("memory") << 20;
tgui->vram_mask = tgui->vram_size - 1;
rom_init(&tgui->bios_rom, "roms/9440.vbi", 0xc0000, 0x8000, 0x7fff, 0, 0);
svga_init(&tgui->svga, tgui, 1 << 21, /*2mb*/
svga_init(&tgui->svga, tgui, tgui->vram_size,
tgui_recalctimings,
tgui_in, tgui_out,
tgui_hwcursor_draw,
@ -1113,6 +1118,33 @@ int tgui_add_status_info(char *s, int max_len, void *p)
return svga_add_status_info(s, max_len, &tgui->svga);
}
static device_config_t tgui9440_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 tgui9440_device =
{
"Trident TGUI 9440",
@ -1122,5 +1154,6 @@ device_t tgui9440_device =
tgui9440_available,
tgui_speed_changed,
tgui_force_redraw,
tgui_add_status_info
tgui_add_status_info,
tgui9440_config
};