/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
- * Copyright (C) 2002 Ben Parnell
+ * Copyright (C) 2002 Xodnizel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
static uint8 cmd;
static uint8 latch[8];
-#define CHRRAM (GameMemBlock)
+
+static void MSync(uint8 mirr)
+{
+ switch(mirr&3)
+ {
+ case 0:setmirror(MI_V);break;
+ case 1:setmirror(MI_H);break;
+ case 2:setmirrorw(0,1,1,1);break;
+ case 3:setmirror(MI_0);break;
+ }
+}
static void S74LS374NSynco(void)
{
- setprg32(0x8000,latch[0]);
- setchr8(latch[1]);
- setmirror(latch[2]&1);
-// setchr8(6);
+ setprg32(0x8000,latch[0]);
+ setchr8(latch[1]|latch[3]|latch[4]);
+ MSync(latch[2]);
}
static DECLFW(S74LS374NWrite)
{
- //printf("$%04x:$%02x\n",A,V);
- A&=0x4101;
- if(A==0x4100)
- cmd=V&7;
- else
- {
- switch(cmd)
+ A&=0x4101;
+ if(A==0x4100)
+ cmd=V&7;
+ else
{
- case 0:latch[0]=0;latch[1]=3;break;
- case 4:latch[1]&=3;latch[1]|=(V<<2);break;
- case 5:latch[0]=V&0x7;break;
- case 6:latch[1]&=0x1C;latch[1]|=V&3;break;
- case 7:latch[2]=V&1;break;
+ switch(cmd)
+ {
+ case 2:latch[3]=(V&1)<<3;break;
+ case 4:latch[4]=(V&1)<<2;break;
+ case 5:latch[0]=V&0x7;break;
+ case 6:latch[1]=V&3;break;
+ case 7:latch[2]=V>>1;break;
+ }
+ S74LS374NSynco();
}
- S74LS374NSynco();
- }
}
-static void S74LS374NReset(void)
+static void S74LS374NPower(void)
{
- latch[0]=latch[2]=0;
- latch[1]=3;
- S74LS374NSynco();
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x4100,0x7FFF,S74LS374NWrite);
+ latch[0]=latch[1]=latch[2]=latch[3]=latch[4]=0;
+ S74LS374NSynco();
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetWriteHandler(0x4100,0x7FFF,S74LS374NWrite);
}
static void S74LS374NRestore(int version)
{
- S74LS374NSynco();
+ S74LS374NSynco();
}
-void S74LS374N_Init(void)
+void S74LS374N_Init(CartInfo *info)
{
- BoardPower=S74LS374NReset;
- GameStateRestore=S74LS374NRestore;
- AddExState(latch, 3, 0, "LATC");
- AddExState(&cmd, 1, 0, "CMD");
+ info->Power=S74LS374NPower;
+ GameStateRestore=S74LS374NRestore;
+ AddExState(latch, 5, 0, "LATC");
+ AddExState(&cmd, 1, 0, "CMD");
}
-static int type;
-static void S8259Synco(void)
+static void S74LS374NASynco(void)
{
- int x;
-
- setprg32(0x8000,latch[5]&7);
+ setprg32(0x8000,latch[0]);
+ setchr8(latch[1]);
+ MSync(latch[2]);
+}
- if(!UNIFchrrama) // No CHR RAM? Then BS'ing is ok.
- {
- if(!type)
+static DECLFW(S74LS374NAWrite)
+{
+ A&=0x4101;
+ if(A==0x4100)
+ cmd=V&7;
+ else
{
- for(x=0;x<4;x++)
- setchr2(0x800*x,(x&1)|((latch[x]&7)<<1)|((latch[4]&7)<<4));
+ switch(cmd)
+ {
+ case 0:latch[0]=0;latch[1]=3;break;
+ case 2:latch[3]=(V&1)<<3;break;
+ case 4:latch[1]=(latch[1]&6)|(V&3);break;
+ case 5:latch[0]=V&1;break;
+ case 6:latch[1]=(latch[1]&1)|latch[3]|((V&3)<<1);break;
+ case 7:latch[2]=V&1;break;
+ }
+ S74LS374NSynco();
}
- else
+}
+
+static void S74LS374NAPower(void)
+{
+ latch[0]=latch[2]=latch[3]=latch[4]=0;
+ latch[1]=3;
+ S74LS374NASynco();
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetWriteHandler(0x4100,0x7FFF,S74LS374NAWrite);
+}
+
+void S74LS374NA_Init(CartInfo *info)
+{
+ info->Power=S74LS374NAPower;
+ GameStateRestore=S74LS374NRestore;
+ AddExState(latch, 5, 0, "LATC");
+ AddExState(&cmd, 1, 0, "CMD");
+}
+
+static int type;
+//static int PPUbus;
+static void S8259Synco(void)
+{
+ int x;
+ setprg32(0x8000,latch[5]&7);
+
+ if(!UNIFchrrama) // No CHR RAM? Then BS'ing is ok.
{
- for(x=0;x<4;x++)
- setchr2(0x800*x,(latch[x]&0x7)|((latch[4]&7)<<3));
+ for(x=0;x<4;x++)
+ {
+ int bank;
+ if(latch[7]&1)
+ bank=(latch[0]&0x7)|((latch[4]&7)<<3);
+ else
+ bank=(latch[x]&0x7)|((latch[4]&7)<<3);
+ switch (type)
+ {
+ case 00: bank=(bank<<1)|(x&1); setchr2(0x800*x,bank); break;
+ case 01: setchr2(0x800*x,bank); break;
+ case 02: bank=(bank<<2)|(x&3); setchr2(0x800*x,bank); break;
+ case 03: bank=latch[x]&7;
+ switch (x&3)
+ {
+ case 01: bank|=(latch[4]&1)<<4;break;
+ case 02: bank|=(latch[4]&2)<<3;break;
+ case 03: bank|=((latch[4]&4)<<2)|((latch[6]&1)<<3);break;
+ }
+ setchr1(0x400*x,bank);
+ setchr4(0x1000,~0);
+ break;
+ }
+ }
}
- }
- switch((latch[7]>>1)&3)
- {
- case 0:setmirrorw(0,0,0,1);break;
- case 1:setmirror(MI_H);break;
- case 2:setmirror(MI_V);break;
- case 3:setmirror(MI_0);break;
- }
+ MSync(latch[7]>>1);
}
static DECLFW(S8259Write)
{
- A&=0x4101;
- if(A==0x4100) cmd=V;
- else
- {
- latch[cmd&7]=V;
- S8259Synco();
- }
+ A&=0x4101;
+ if(A==0x4100)
+ cmd=V;
+ else
+ {
+ latch[cmd&7]=V;
+ S8259Synco();
+ }
}
static void S8259Reset(void)
{
- int x;
- cmd=0;
+ int x;
+ cmd=0;
- for(x=0;x<8;x++) latch[x]=0;
- if(UNIFchrrama) setchr8(0);
+ for(x=0;x<8;x++) latch[x]=0;
+ setchr8(0);
- S8259Synco();
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x4100,0x7FFF,S8259Write);
+ S8259Synco();
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetWriteHandler(0x4100,0x7FFF,S8259Write);
}
static void S8259Restore(int version)
{
- S8259Synco();
+ S8259Synco();
+}
+
+void S8259A_Init(CartInfo *info) // Kevin's Horton 141 mapper
+{
+ info->Power=S8259Reset;
+ GameStateRestore=S8259Restore;
+ AddExState(latch, 8, 0, "LATC");
+ AddExState(&cmd, 1, 0, "CMD");
+ type=0;
}
-void S8259A_Init(void)
+void S8259B_Init(CartInfo *info) // Kevin's Horton 138 mapper
{
- BoardPower=S8259Reset;
- GameStateRestore=S8259Restore;
- AddExState(latch, 8, 0, "LATC");
- AddExState(&cmd, 1, 0, "CMD");
- type=0;
+ info->Power=S8259Reset;
+ GameStateRestore=S8259Restore;
+ AddExState(latch, 8, 0, "LATC");
+ AddExState(&cmd, 1, 0, "CMD");
+ type=1;
+}
- //if(!CHRsize[0])
- //{
- // SetupCartCHRMapping(0,CHRRAM,8192,1);
- // AddExState(CHRRAM, 8192, 0, "CHRR");
- //}
+void S8259C_Init(CartInfo *info) // Kevin's Horton 139 mapper
+{
+ info->Power=S8259Reset;
+ GameStateRestore=S8259Restore;
+ AddExState(latch, 8, 0, "LATC");
+ AddExState(&cmd, 1, 0, "CMD");
+ type=2;
}
-void S8259B_Init(void)
+void S8259D_Init(CartInfo *info) // Kevin's Horton 137 mapper
{
- BoardPower=S8259Reset;
- GameStateRestore=S8259Restore;
- AddExState(latch, 8, 0, "LATC");
- AddExState(&cmd, 1, 0, "CMD");
- type=1;
+ info->Power=S8259Reset;
+ GameStateRestore=S8259Restore;
+ AddExState(latch, 8, 0, "LATC");
+ AddExState(&cmd, 1, 0, "CMD");
+ type=3;
}
static void(*WSync)(void);
static void SA0161MSynco()
{
- setprg32(0x8000,(latch[0]>>3)&1);
- setchr8(latch[0]&7);
+ setprg32(0x8000,(latch[0]>>3)&1);
+ setchr8(latch[0]&7);
}
static DECLFW(SAWrite)
{
- if(A&0x100)
- {
- latch[0]=V;
- WSync();
- }
+ if(A&0x100)
+ {
+ latch[0]=V;
+ WSync();
+ }
}
static void SAReset(void)
{
- latch[0]=0;
- WSync();
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x4100,0x5FFF,SAWrite);
+ latch[0]=0;
+ WSync();
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetWriteHandler(0x4100,0x5FFF,SAWrite);
}
-void SA0161M_Init(void)
+static void SA0161MRestore(int version)
{
- WSync=SA0161MSynco;
- GameStateRestore=SA0161MSynco;
- BoardPower=SAReset;
- AddExState(&latch[0], 1, 0, "LATC");
+ SA0161MSynco();
+}
+
+void SA0161M_Init(CartInfo *info)
+{
+ WSync=SA0161MSynco;
+ GameStateRestore=SA0161MRestore;
+ info->Power=SAReset;
+ AddExState(&latch[0], 1, 0, "LATC");
}
static void SA72007Synco()
{
- setprg32(0x8000,0);
- setchr8(latch[0]>>7);
+ setprg32(0x8000,0);
+ setchr8(latch[0]>>7);
+}
+
+static void SA72007Restore(int version)
+{
+ SA72007Synco();
}
-void SA72007_Init(void)
+void SA72007_Init(CartInfo *info)
{
- WSync=SA72007Synco;
- GameStateRestore=SA72007Synco;
- BoardPower=SAReset;
- AddExState(&latch[0], 1, 0, "LATC");
+ WSync=SA72007Synco;
+ GameStateRestore=SA72007Restore;
+ info->Power=SAReset;
+ AddExState(&latch[0], 1, 0, "LATC");
}
static void SA72008Synco()
{
- setprg32(0x8000,(latch[0]>>2)&1);
- setchr8(latch[0]&3);
+ setprg32(0x8000,(latch[0]>>2)&1);
+ setchr8(latch[0]&3);
}
-void SA72008_Init(void)
+static void SA72008Restore(int version)
{
- WSync=SA72008Synco;
- GameStateRestore=SA72008Synco;
- BoardPower=SAReset;
- AddExState(&latch[0], 1, 0, "LATC");
+ SA72008Synco();
+}
+
+void SA72008_Init(CartInfo *info)
+{
+ WSync=SA72008Synco;
+ GameStateRestore=SA72008Restore;
+ info->Power=SAReset;
+ AddExState(&latch[0], 1, 0, "LATC");
}
static DECLFW(SADWrite)
{
- latch[0]=V;
- WSync();
+ latch[0]=V;
+ WSync();
}
static void SADReset(void)
{
- latch[0]=0;
- WSync();
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x8000,0xFFFF,SADWrite);
+ latch[0]=0;
+ WSync();
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetWriteHandler(0x8000,0xFFFF,SADWrite);
}
-static void SA0036Synco()
+static void SA0037Synco()
{
- setprg32(0x8000,0);
- setchr8(latch[0]>>7);
+ setprg32(0x8000,(latch[0]>>3)&1);
+ setchr8(latch[0]&7);
}
-static void SA0037Synco()
+static void SA0037Restore(int version)
{
- setprg32(0x8000,(latch[0]>>3)&1);
- setchr8(latch[0]&7);
+ SA0037Synco();
}
-void SA0036_Init(void)
+void SA0036_Init(CartInfo *info)
{
- WSync=SA0036Synco;
- GameStateRestore=SA0036Synco;
- BoardPower=SADReset;
- AddExState(&latch[0], 1, 0, "LATC");
+ WSync=SA72007Synco;
+ GameStateRestore=SA72007Restore;
+ info->Power=SADReset;
+ AddExState(&latch[0], 1, 0, "LATC");
}
-void SA0037_Init(void)
+void SA0037_Init(CartInfo *info)
{
- WSync=SA0037Synco;
- GameStateRestore=SA0037Synco;
- BoardPower=SADReset;
- AddExState(&latch[0], 1, 0, "LATC");
+ WSync=SA0037Synco;
+ GameStateRestore=SA0037Restore;
+ info->Power=SADReset;
+ AddExState(&latch[0], 1, 0, "LATC");
}
static void TCU01Synco()
{
- setprg32(0x8000,(latch[0]>>2)&1);
- setchr8((latch[0]>>3)&0xF);
+ setprg32(0x8000,(latch[0]>>2)&1);
+ setchr8((latch[0]>>3)&0xF);
}
static DECLFW(TCWrite)
{
- if((A&0x103)==0x102)
- latch[0]=V;
- TCU01Synco();
+ if((A&0x103)==0x102)
+ latch[0]=V;
+ TCU01Synco();
}
static void TCU01Reset(void)
{
- latch[0]=0;
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x4100,0xFFFF,TCWrite);
- TCU01Synco();
+ latch[0]=0;
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetWriteHandler(0x4100,0xFFFF,TCWrite);
+ TCU01Synco();
}
-void TCU01_Init(void)
+static void TCU01Restore(int version)
{
- GameStateRestore=TCU01Synco;
- BoardPower=TCU01Reset;
- AddExState(&latch[0], 1, 0, "LATC");
+ TCU01Synco();
}
+void TCU01_Init(CartInfo *info)
+{
+ GameStateRestore=TCU01Restore;
+ info->Power=TCU01Reset;
+ AddExState(&latch[0], 1, 0, "LATC");
+}
+
+static DECLFR(TCA01Read)
+{
+ uint8 ret;
+ if((A&0x4100)==0x4100)
+ ret=(X.DB&0xC0)|((~A)&0x3F);
+ else
+ ret=X.DB;
+ return ret;
+}
+
+static void TCA01Reset(void)
+{
+ setprg16(0x8000,0);
+ setprg16(0xC000,1);
+ setchr8(0);
+ SetReadHandler(0x8000,0xFFFF,CartBR);
+ SetReadHandler(0x4100,0x5FFF,TCA01Read);
+}
+
+void TCA01_Init(CartInfo *info)
+{
+ info->Power=TCA01Reset;
+}
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