void
vdp1_init(void)
{
/* Check if boundaries are correct */
STATIC_ASSERT((VDP1_CMDT_MEMORY_SIZE +
VDP1_GST_MEMORY_SIZE +
VDP1_TEXURE_MEMORY_SIZE +
VDP1_CLUT_MEMORY_SIZE) == VDP1_VRAM_SIZE);
/* Initialize the processor to sane values */
MEMORY_WRITE(16, VDP1(TVMR), 0x0000);
MEMORY_WRITE(16, VDP1(ENDR), 0x0000);
MEMORY_WRITE(16, VDP1(FBCR), 0x0000);
MEMORY_WRITE(16, VDP1(PTMR), 0x0000);
MEMORY_WRITE(16, VDP1(EWDR), 0x0000);
MEMORY_WRITE(16, VDP1(EWLR), 0x0000);
MEMORY_WRITE(16, VDP1(EWRR), (uint16_t)(((320 / 8) << 9) | (223)));
vdp2_tvmd_vblank_in_wait();
/* Stop processing command tables */
uint32_t cmdt_idx;
for (cmdt_idx = 0; cmdt_idx < VDP1_CMDT_COUNT_MAX; cmdt_idx++) {
struct vdp1_cmdt *cmdt;
cmdt = (struct vdp1_cmdt *)CMD_TABLE(cmdt_idx, 0);
cmdt->cmd_ctrl = 0x8000;
}
vdp1_cmdt_list_init();
MEMORY_WRITE(16, VDP1(PTMR), 0x0002);
}
CommandStatus GBOutputSetOption(int opt, int argc, char *argv[],
int quoted[], char *err, size_t errsize)
{
const ValueTable *val;
int f;
CMD_ARGC_CHECK(1);
switch(opt)
{
case OPT_COLOUR:
option.is_colour = ParseTrueFalse(argv[0], TRUE);
break;
case OPT_SUPER:
option.is_super = ParseTrueFalse(argv[0], TRUE);
break;
case OPT_CART_RAM:
CMD_EXPR(argv[0], option.cart_ram);
break;
case OPT_CART_TYPE:
CMD_EXPR(argv[0], option.cart_type);
break;
case OPT_IRQ:
CMD_ARGC_CHECK(2);
CMD_TABLE(argv[0], irq_table, val);
CMD_EXPR(argv[1], f);
option.irq_vector[val->value] = f;
break;
default:
break;
}
return CMD_OK;
}