X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fsound%2Fsound.c;h=5f9836b87203cfb44748395f5f4e1cac7ac22bc5;hb=9d917eea21607c7c239d4b0cd850d660c0c8e4c5;hp=32f2295e0d598daa605691a234b372a751180203;hpb=da42200b24749eee63cccf49d87781b861146e9f;p=picodrive.git

diff --git a/Pico/sound/sound.c b/Pico/sound/sound.c
index 32f2295..5f9836b 100644
--- a/Pico/sound/sound.c
+++ b/Pico/sound/sound.c
@@ -15,6 +15,8 @@
 #include "../../cpu/mz80/mz80.h"
 #elif defined(_USE_DRZ80)
 #include "../../cpu/DrZ80/drz80.h"
+#elif defined(_USE_CZ80)
+#include "../../cpu/cz80/cz80.h"
 #endif
 
 #include "../PicoInt.h"
@@ -99,23 +101,21 @@ static void dac_recalculate(void)
 }
 
 
-PICO_INTERNAL void sound_reset(void)
+PICO_INTERNAL void PsndReset(void)
 {
   void *ym2612_regs;
 
   // also clear the internal registers+addr line
   ym2612_regs = YM2612GetRegs();
   memset(ym2612_regs, 0, 0x200+4);
-  // setting these to 0 might confuse timing code,
-  // so better set to something like this instead
-  z80startCycle = z80stopCycle = 0x01000000;
+  z80startCycle = z80stopCycle = 0;
 
-  sound_rerate(0);
+  PsndRerate(0);
 }
 
 
 // to be called after changing sound rate or chips
-void sound_rerate(int preserve_state)
+void PsndRerate(int preserve_state)
 {
   void *state = NULL;
   int target_fps = Pico.m.pal ? 50 : 60;
@@ -163,12 +163,12 @@ void sound_rerate(int preserve_state)
   // clear all buffers
   memset32(PsndBuffer, 0, sizeof(PsndBuffer)/4);
   if (PsndOut)
-    sound_clear();
+    PsndClear();
 }
 
 
 // This is called once per raster (aka line), but not necessarily for every line
-PICO_INTERNAL void sound_timers_and_dac(int raster)
+PICO_INTERNAL void Psnd_timers_and_dac(int raster)
 {
   int pos, len;
   int do_dac = PsndOut && (PicoOpt&1) && *ym2612_dacen;
@@ -216,7 +216,7 @@ PICO_INTERNAL void sound_timers_and_dac(int raster)
 }
 
 
-PICO_INTERNAL void sound_clear(void)
+PICO_INTERNAL void PsndClear(void)
 {
   int len = PsndLen;
   if (PsndLen_exc_add) len++;
@@ -225,7 +225,7 @@ PICO_INTERNAL void sound_clear(void)
 }
 
 
-PICO_INTERNAL int sound_render(int offset, int length)
+PICO_INTERNAL int PsndRender(int offset, int length)
 {
   int  buf32_updated = 0;
   int *buf32 = PsndBuffer+offset;
@@ -316,24 +316,26 @@ static unsigned int DrZ80_rebaseSP(unsigned short a)
   return drZ80.Z80SP_BASE + a;
 }
 
-static unsigned char DrZ80_in(unsigned short p)
+static void DrZ80_irq_callback()
 {
-  elprintf(EL_ANOMALY, "Z80 port %04x read", p);
-  return 0xff;
+  drZ80.Z80_IRQ = 0; // lower irq when accepted
 }
+#endif
 
-static void DrZ80_out(unsigned short p,unsigned char d)
+#if defined(_USE_DRZ80) || defined(_USE_CZ80)
+static unsigned char z80_in(unsigned short p)
 {
-  elprintf(EL_ANOMALY, "Z80 port %04x write %02x", p, d);
+  elprintf(EL_ANOMALY, "Z80 port %04x read", p);
+  return 0xff;
 }
 
-static void DrZ80_irq_callback()
+static void z80_out(unsigned short p,unsigned char d)
 {
-  drZ80.Z80_IRQ = 0; // lower irq when accepted
+  elprintf(EL_ANOMALY, "Z80 port %04x write %02x", p, d);
 }
-
 #endif
 
+
 // z80 functionality wrappers
 PICO_INTERNAL void z80_init(void)
 {
@@ -355,7 +357,6 @@ PICO_INTERNAL void z80_init(void)
   mz80SetContext(&z80);
 
 #elif defined(_USE_DRZ80)
-
   memset(&drZ80, 0, sizeof(struct DrZ80));
   drZ80.z80_rebasePC=DrZ80_rebasePC;
   drZ80.z80_rebaseSP=DrZ80_rebaseSP;
@@ -363,9 +364,19 @@ PICO_INTERNAL void z80_init(void)
   drZ80.z80_read16  =z80_read16;
   drZ80.z80_write8  =z80_write;
   drZ80.z80_write16 =z80_write16;
-  drZ80.z80_in      =DrZ80_in;
-  drZ80.z80_out     =DrZ80_out;
+  drZ80.z80_in      =z80_in;
+  drZ80.z80_out     =z80_out;
   drZ80.z80_irq_callback=DrZ80_irq_callback;
+
+#elif defined(_USE_CZ80)
+  memset(&CZ80, 0, sizeof(CZ80));
+  Cz80_Init(&CZ80);
+  Cz80_Set_Fetch(&CZ80, 0x0000, 0x1fff, (UINT32)Pico.zram); // main RAM
+  Cz80_Set_Fetch(&CZ80, 0x2000, 0x3fff, (UINT32)Pico.zram - 0x2000); // mirror
+  Cz80_Set_ReadB(&CZ80, (UINT8 (*)(UINT32 address))z80_read);
+  Cz80_Set_WriteB(&CZ80, z80_write);
+  Cz80_Set_INPort(&CZ80, z80_in);
+  Cz80_Set_OUTPort(&CZ80, z80_out);
 #endif
 }
 
@@ -382,6 +393,8 @@ PICO_INTERNAL void z80_reset(void)
   drZ80.Z80IM = 0; // 1?
   drZ80.Z80PC = drZ80.z80_rebasePC(0);
   drZ80.Z80SP = drZ80.z80_rebaseSP(0x2000); // 0xf000 ?
+#elif defined(_USE_CZ80)
+  Cz80_Reset(&CZ80);
 #endif
   Pico.m.z80_fakeval = 0; // for faking when Z80 is disabled
 }
@@ -400,6 +413,8 @@ PICO_INTERNAL void z80_int(void)
 #elif defined(_USE_DRZ80)
   drZ80.z80irqvector = 0xFF; // default IRQ vector RST opcode
   drZ80.Z80_IRQ = 1;
+#elif defined(_USE_CZ80)
+  Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE);
 #endif
 }
 
@@ -412,6 +427,8 @@ PICO_INTERNAL int z80_run(int cycles)
   return mz80GetElapsedTicks(0) - ticks_pre;
 #elif defined(_USE_DRZ80)
   return cycles - DrZ80Run(&drZ80, cycles);
+#elif defined(_USE_CZ80)
+  return Cz80_Exec(&CZ80, cycles);
 #else
   return cycles;
 #endif
@@ -429,13 +446,16 @@ PICO_INTERNAL void z80_pack(unsigned char *data)
   drZ80.Z80PC = drZ80.z80_rebasePC(drZ80.Z80PC-drZ80.Z80PC_BASE);
   drZ80.Z80SP = drZ80.z80_rebaseSP(drZ80.Z80SP-drZ80.Z80SP_BASE);
   memcpy(data+4, &drZ80, 0x54);
+#elif defined(_USE_CZ80)
+  *(int *)data = 0x00007a43; // "Cz"
+  memcpy(data+4, &CZ80, (INT32)&CZ80.BasePC - (INT32)&CZ80);
 #endif
 }
 
 PICO_INTERNAL void z80_unpack(unsigned char *data)
 {
 #if defined(_USE_MZ80)
-  if(*(int *)data == 0x00005A6D) { // "mZ" save?
+  if (*(int *)data == 0x00005A6D) { // "mZ" save?
     struct mz80context mz80;
     mz80GetContext(&mz80);
     memcpy(&mz80.z80clockticks, data+4, sizeof(mz80)-5*4);
@@ -445,7 +465,7 @@ PICO_INTERNAL void z80_unpack(unsigned char *data)
     z80_int();
   }
 #elif defined(_USE_DRZ80)
-  if(*(int *)data == 0x015A7244) { // "DrZ" v1 save?
+  if (*(int *)data == 0x015A7244) { // "DrZ" v1 save?
     memcpy(&drZ80, data+4, 0x54);
     // update bases
     drZ80.Z80PC = drZ80.z80_rebasePC(drZ80.Z80PC-drZ80.Z80PC_BASE);
@@ -455,6 +475,13 @@ PICO_INTERNAL void z80_unpack(unsigned char *data)
     drZ80.Z80IM = 1;
     z80_int(); // try to goto int handler, maybe we won't execute trash there?
   }
+#elif defined(_USE_CZ80)
+  if (*(int *)data == 0x00007a43) // "Cz" save?
+    memcpy(&CZ80, data+4, (INT32)&CZ80.BasePC - (INT32)&CZ80);
+  else {
+    z80_reset();
+    z80_int();
+  }
 #endif
 }
 
@@ -465,11 +492,13 @@ PICO_INTERNAL void z80_exit(void)
 #endif
 }
 
-#if defined(__DEBUG_PRINT) || defined(__GP2X__) || defined(__GIZ__)
+#if 1 // defined(__DEBUG_PRINT) || defined(__GP2X__) || defined(__GIZ__)
 PICO_INTERNAL void z80_debug(char *dstr)
 {
 #if defined(_USE_DRZ80)
   sprintf(dstr, "Z80 state: PC: %04x SP: %04x\n", drZ80.Z80PC-drZ80.Z80PC_BASE, drZ80.Z80SP-drZ80.Z80SP_BASE);
+#elif defined(_USE_CZ80)
+  sprintf(dstr, "Z80 state: PC: %04x SP: %04x\n", CZ80.PC - CZ80.BasePC, CZ80.SP.W);
 #endif
 }
 #endif