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Diffstat (limited to 'src/spc700/debug/apumem.h')
| -rw-r--r-- | src/spc700/debug/apumem.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/spc700/debug/apumem.h b/src/spc700/debug/apumem.h new file mode 100644 index 0000000..b1b5f65 --- /dev/null +++ b/src/spc700/debug/apumem.h @@ -0,0 +1,222 @@ +/*
+ * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
+ *
+ * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
+ * Jerremy Koot (jkoot@snes9x.com)
+ *
+ * Super FX C emulator code
+ * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
+ * Gary Henderson.
+ * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
+ *
+ * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
+ * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
+ * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
+ *
+ * DOS port code contains the works of other authors. See headers in
+ * individual files.
+ *
+ * Snes9x homepage: http://www.snes9x.com
+ *
+ * Permission to use, copy, modify and distribute Snes9x in both binary and
+ * source form, for non-commercial purposes, is hereby granted without fee,
+ * providing that this license information and copyright notice appear with
+ * all copies and any derived work.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event shall the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Snes9x is freeware for PERSONAL USE only. Commercial users should
+ * seek permission of the copyright holders first. Commercial use includes
+ * charging money for Snes9x or software derived from Snes9x.
+ *
+ * The copyright holders request that bug fixes and improvements to the code
+ * should be forwarded to them so everyone can benefit from the modifications
+ * in future versions.
+ *
+ * Super NES and Super Nintendo Entertainment System are trademarks of
+ * Nintendo Co., Limited and its subsidiary companies.
+ */
+#ifndef _apumemory_h_
+#define _apumemory_h_
+
+START_EXTERN_C
+extern uint8 W4;
+extern uint8 APUROM[64];
+END_EXTERN_C
+
+// TODO: restore nondebug version
+
+INLINE uint8 S9xAPUGetByteZ (uint8 Address)
+{
+ uint8 res = 0;
+ pIAPU->memread_addr = Address;
+
+ if (Address >= 0xf0 && pIAPU->DirectPage == pIAPU->RAM)
+ {
+ if (Address >= 0xf4 && Address <= 0xf7)
+ {
+#ifdef SPC700_SHUTDOWN
+ pIAPU->WaitAddress2 = pIAPU->WaitAddress1;
+ pIAPU->WaitAddress1 = pIAPU->PC;
+#endif
+ res = (pIAPU->RAM [Address]);
+ }
+ else if (Address >= 0xfd)
+ {
+#ifdef SPC700_SHUTDOWN
+ pIAPU->WaitAddress2 = pIAPU->WaitAddress1;
+ pIAPU->WaitAddress1 = pIAPU->PC;
+#endif
+ uint8 t = pIAPU->RAM [Address];
+ if(pIAPU != &IAPU)
+ pIAPU->RAM [Address] = 0;
+ res = (t);
+ }
+ else if (Address == 0xf3) {
+ res = (S9xGetAPUDSP ());
+ }
+ else res = (pIAPU->RAM [Address]);
+ }
+ else
+ res = (pIAPU->DirectPage [Address]);
+
+ pIAPU->memread_data = res;
+ return res;
+}
+
+INLINE void S9xAPUSetByteZ (uint8 val, uint8 Address)
+{
+ pIAPU->memwrite_addr = Address;
+ pIAPU->memwrite_data = val;
+
+ if(pIAPU == &IAPU) return;
+
+ if (Address >= 0xf0 && pIAPU->DirectPage == pIAPU->RAM)
+ {
+ if (Address == 0xf3)
+ S9xSetAPUDSP (val);
+ else
+ if (Address >= 0xf4 && Address <= 0xf7)
+ APU.OutPorts [Address - 0xf4] = val;
+ else
+ if (Address == 0xf1)
+ S9xSetAPUControl (val);
+ else
+ if (Address < 0xfd)
+ {
+ pIAPU->RAM [Address] = val;
+ if (Address >= 0xfa)
+ {
+ if (val == 0)
+ APU.TimerTarget [Address - 0xfa] = 0x100;
+ else
+ APU.TimerTarget [Address - 0xfa] = val;
+ }
+ }
+ }
+ else
+ pIAPU->DirectPage [Address] = val;
+}
+
+INLINE uint8 S9xAPUGetByte (uint32 Address)
+{
+ Address &= 0xffff;
+ uint8 res = 0;
+ pIAPU->memread_addr = Address;
+
+ if (Address <= 0xff && Address >= 0xf0)
+ {
+ if (Address >= 0xf4 && Address <= 0xf7)
+ {
+#ifdef SPC700_SHUTDOWN
+ pIAPU->WaitAddress2 = pIAPU->WaitAddress1;
+ pIAPU->WaitAddress1 = pIAPU->PC;
+#endif
+ res = (pIAPU->RAM [Address]);
+ }
+ else if (Address == 0xf3) {
+ res = (S9xGetAPUDSP ());
+ }
+ else if (Address >= 0xfd)
+ {
+#ifdef SPC700_SHUTDOWN
+ pIAPU->WaitAddress2 = pIAPU->WaitAddress1;
+ pIAPU->WaitAddress1 = pIAPU->PC;
+#endif
+ uint8 t = pIAPU->RAM [Address];
+ if(pIAPU != &IAPU)
+ pIAPU->RAM [Address] = 0;
+ res = (t);
+ }
+ else res = (pIAPU->RAM [Address]);
+ }
+ else
+ res = (pIAPU->RAM [Address]);
+
+ pIAPU->memread_data = res;
+ return res;
+}
+
+INLINE void S9xAPUSetByte (uint8 val, uint32 Address)
+{
+ Address &= 0xffff;
+ pIAPU->memwrite_addr = Address;
+ pIAPU->memwrite_data = val;
+
+ if(pIAPU == &IAPU) return;
+
+ if (Address <= 0xff && Address >= 0xf0)
+ {
+ if (Address == 0xf3)
+ S9xSetAPUDSP (val);
+ else
+ if (Address >= 0xf4 && Address <= 0xf7)
+ APU.OutPorts [Address - 0xf4] = val;
+ else
+ if (Address == 0xf1)
+ S9xSetAPUControl (val);
+ else
+ if (Address < 0xfd)
+ {
+ pIAPU->RAM [Address] = val;
+ if (Address >= 0xfa)
+ {
+ if (val == 0)
+ APU.TimerTarget [Address - 0xfa] = 0x100;
+ else
+ APU.TimerTarget [Address - 0xfa] = val;
+ }
+ }
+ }
+ else
+ {
+#if 0
+if (Address >= 0x2500 && Address <= 0x2504)
+printf ("%06d %04x <- %02x\n", ICPU.Scanline, Address, val);
+if (Address == 0x26c6)
+{
+ extern FILE *apu_trace;
+ extern FILE *trace;
+ APU.Flags |= TRACE_FLAG;
+ CPU.Flags |= TRACE_FLAG;
+ if (apu_trace == NULL)
+ apu_trace = fopen ("aputrace.log", "wb");
+ if (trace == NULL)
+ trace = fopen ("trace.log", "wb");
+ printf ("TRACING SWITCHED ON\n");
+}
+#endif
+ if (Address < 0xffc0)
+ pIAPU->RAM [Address] = val;
+ else
+ {
+ APU.ExtraRAM [Address - 0xffc0] = val;
+ if (!APU.ShowROM)
+ pIAPU->RAM [Address] = val;
+ }
+ }
+}
+
+#endif
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