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UNIF DANCE2000 - now emulated properly

This commit is contained in:
CaH4e3 2013-03-24 10:14:22 +00:00
parent 195514bf78
commit 140826d245
1 changed files with 25 additions and 19 deletions
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44
trunk/src/boards/dance2000.cpp
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@ -16,30 +16,29 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Dance 2000 12-in-1
*
*/
#include "mapinc.h"
static uint8 prg, mirr, prgmode;
static uint8 prg, mode;
static uint8 *WRAM = NULL;
static uint32 WRAMSIZE;
static uint32 lastnt = 0;
static SFORMAT StateRegs[] =
{
{ &prg, 1, "REGS" },
{ &mirr, 1, "MIRR" },
{ &prgmode, 1, "MIRR" },
{ &mode, 1, "MODE" },
{ &lastnt, 4, "LSNT" },
{ 0 }
};
static void Sync(void) {
setmirror(mirr);
setmirror((mode ^ 1) & 1);
setprg8r(0x10, 0x6000, 0);
setchr8(0);
if (prgmode)
setchr4(0x0000, lastnt);
setchr4(0x1000, 1);
if (mode & 4)
setprg32(0x8000, prg & 7);
else {
setprg16(0x8000, prg & 0x0f);
@ -48,11 +47,9 @@ static void Sync(void) {
}
static DECLFW(UNLD2000Write) {
// FCEU_printf("write %04x:%04x\n",A,V);
switch (A) {
case 0x5000: prg = V; Sync(); break;
case 0x5200: mirr = (V & 1) ^ 1; prgmode = V & 4; Sync(); break;
// default: FCEU_printf("write %04x:%04x\n",A,V);
case 0x5200: mode = V; if (mode & 4) Sync(); break;
}
}
@ -64,17 +61,27 @@ static DECLFR(UNLD2000Read) {
}
static void UNLD2000Power(void) {
prg = prgmode = 0;
prg = mode = 0;
Sync();
SetReadHandler(0x6000, 0x7FFF, CartBR);
SetWriteHandler(0x6000, 0x7FFF, CartBW);
SetReadHandler(0x8000, 0xFFFF, UNLD2000Read);
SetWriteHandler(0x4020, 0x5FFF, UNLD2000Write);
SetWriteHandler(0x5000, 0x5FFF, UNLD2000Write);
}
static void UNLAX5705IRQ(void) {
if (scanline > 174) setchr4(0x0000, 1);
else setchr4(0x0000, 0);
static void UNL2000Hook(uint32 A) {
if (mode & 2) {
if ((A & 0x3000) == 0x2000) {
uint32 curnt = A & 0x800;
if (curnt != lastnt) {
setchr4(0x0000, curnt >> 11);
lastnt = curnt;
}
}
} else {
lastnt = 0;
setchr4(0x0000, 0);
}
}
static void UNLD2000Close(void) {
@ -83,7 +90,6 @@ static void UNLD2000Close(void) {
WRAM = NULL;
}
static void StateRestore(int version) {
Sync();
}
@ -91,7 +97,7 @@ static void StateRestore(int version) {
void UNLD2000_Init(CartInfo *info) {
info->Power = UNLD2000Power;
info->Close = UNLD2000Close;
GameHBIRQHook = UNLAX5705IRQ;
PPU_hook = UNL2000Hook;
GameStateRestore = StateRestore;
WRAMSIZE = 8192;