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Paradise now supports SVGA word accesses.

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This commit is contained in:
SarahW 2018-01-31 20:03:14 +00:00
commit 26fb271fdc
1 changed files with 16 additions and 7 deletions
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23
src/vid_paradise.c
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@ -30,11 +30,8 @@ typedef struct paradise_t
uint32_t read_bank[4], write_bank[4];
} paradise_t;
void paradise_write(uint32_t addr, uint8_t val, void *p);
uint8_t paradise_read(uint32_t addr, void *p);
void paradise_remap(paradise_t *paradise);
void paradise_out(uint16_t addr, uint8_t val, void *p)
{
paradise_t *paradise = (paradise_t *)p;
@ -236,7 +233,7 @@ void paradise_recalctimings(svga_t *svga)
svga->render = svga_render_8bpp_highres;
}
void paradise_write(uint32_t addr, uint8_t val, void *p)
static void paradise_write(uint32_t addr, uint8_t val, void *p)
{
paradise_t *paradise = (paradise_t *)p;
// pclog("paradise_write : %05X %02X ", addr, val);
@ -244,8 +241,14 @@ void paradise_write(uint32_t addr, uint8_t val, void *p)
// pclog("%08X\n", addr);
svga_write_linear(addr, val, &paradise->svga);
}
static void paradise_writew(uint32_t addr, uint16_t val, void *p)
{
paradise_t *paradise = (paradise_t *)p;
addr = (addr & 0x7fff) + paradise->write_bank[(addr >> 15) & 3];
svga_writew_linear(addr, val, &paradise->svga);
}
uint8_t paradise_read(uint32_t addr, void *p)
static uint8_t paradise_read(uint32_t addr, void *p)
{
paradise_t *paradise = (paradise_t *)p;
// pclog("paradise_read : %05X ", addr);
@ -253,6 +256,12 @@ uint8_t paradise_read(uint32_t addr, void *p)
// pclog("%08X\n", addr);
return svga_read_linear(addr, &paradise->svga);
}
static uint16_t paradise_readw(uint32_t addr, void *p)
{
paradise_t *paradise = (paradise_t *)p;
addr = (addr & 0x7fff) + paradise->read_bank[(addr >> 15) & 3];
return svga_readw_linear(addr, &paradise->svga);
}
void *paradise_pvga1a_init()
{
@ -268,7 +277,7 @@ void *paradise_pvga1a_init()
NULL,
NULL);
mem_mapping_set_handler(&paradise->svga.mapping, paradise_read, NULL, NULL, paradise_write, NULL, NULL);
mem_mapping_set_handler(&paradise->svga.mapping, paradise_read, paradise_readw, NULL, paradise_write, paradise_writew, NULL);
mem_mapping_set_p(&paradise->svga.mapping, paradise);
svga->crtc[0x31] = 'W';
@ -299,7 +308,7 @@ void *paradise_wd90c11_init()
NULL,
NULL);
mem_mapping_set_handler(&paradise->svga.mapping, paradise_read, NULL, NULL, paradise_write, NULL, NULL);
mem_mapping_set_handler(&paradise->svga.mapping, paradise_read, paradise_readw, NULL, paradise_write, paradise_writew, NULL);
mem_mapping_set_p(&paradise->svga.mapping, paradise);
svga->crtc[0x31] = 'W';