Merge pull request #58 from psyke83/master

[picodrive.git] / pico / cd / sek.c

diff --git a/pico/cd/sek.c b/pico/cd/sek.c
deleted file mode 100644 (file)
index 8d83862..0000000
--- a/pico/cd/sek.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * PicoDrive
- * (C) notaz, 2007
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
-
-#include "../pico_int.h"
-
-
-unsigned int SekCycleCntS68k;
-unsigned int SekCycleAimS68k;
-
-
-/* context */
-// Cyclone 68000
-#ifdef EMU_C68K
-struct Cyclone PicoCpuCS68k;
-#endif
-// MUSASHI 68000
-#ifdef EMU_M68K
-m68ki_cpu_core PicoCpuMS68k;
-#endif
-// FAME 68000
-#ifdef EMU_F68K
-M68K_CONTEXT PicoCpuFS68k;
-#endif
-
-
-static int new_irq_level(int level)
-{
-  int level_new = 0, irqs;
-  Pico_mcd->m.s68k_pend_ints &= ~(1 << level);
-  irqs = Pico_mcd->m.s68k_pend_ints;
-  irqs &= Pico_mcd->s68k_regs[0x33];
-  while ((irqs >>= 1)) level_new++;
-
-  return level_new;
-}
-
-#ifdef EMU_C68K
-// interrupt acknowledgement
-static int SekIntAckS68k(int level)
-{
-  int level_new = new_irq_level(level);
-
-  elprintf(EL_INTS, "s68kACK %i -> %i", level, level_new);
-  PicoCpuCS68k.irq = level_new;
-  return CYCLONE_INT_ACK_AUTOVECTOR;
-}
-
-static void SekResetAckS68k(void)
-{
-  elprintf(EL_ANOMALY, "s68k: Reset encountered @ %06x", SekPcS68k);
-}
-
-static int SekUnrecognizedOpcodeS68k(void)
-{
-  elprintf(EL_ANOMALY, "Unrecognized Opcode @ %06x", SekPcS68k);
-  //exit(1);
-  return 0;
-}
-#endif
-
-#ifdef EMU_M68K
-static int SekIntAckMS68k(int level)
-{
-#ifndef EMU_CORE_DEBUG
-  int level_new = new_irq_level(level);
-  elprintf(EL_INTS, "s68kACK %i -> %i", level, level_new);
-  CPU_INT_LEVEL = level_new << 8;
-#else
-  CPU_INT_LEVEL = 0;
-#endif
-  return M68K_INT_ACK_AUTOVECTOR;
-}
-#endif
-
-#ifdef EMU_F68K
-static void SekIntAckFS68k(unsigned level)
-{
-  int level_new = new_irq_level(level);
-  elprintf(EL_INTS, "s68kACK %i -> %i", level, level_new);
-#ifndef EMU_CORE_DEBUG
-  PicoCpuFS68k.interrupts[0] = level_new;
-#else
-  {
-    extern int dbg_irq_level_sub;
-    dbg_irq_level_sub = level_new;
-    PicoCpuFS68k.interrupts[0] = 0;
-  }
-#endif
-}
-#endif
-
-
-PICO_INTERNAL void SekInitS68k(void)
-{
-#ifdef EMU_C68K
-//  CycloneInit();
-  memset(&PicoCpuCS68k,0,sizeof(PicoCpuCS68k));
-  PicoCpuCS68k.IrqCallback=SekIntAckS68k;
-  PicoCpuCS68k.ResetCallback=SekResetAckS68k;
-  PicoCpuCS68k.UnrecognizedCallback=SekUnrecognizedOpcodeS68k;
-#endif
-#ifdef EMU_M68K
-  {
-    // Musashi is not very context friendly..
-    void *oldcontext = m68ki_cpu_p;
-    m68k_set_context(&PicoCpuMS68k);
-    m68k_set_cpu_type(M68K_CPU_TYPE_68000);
-    m68k_init();
-    m68k_set_int_ack_callback(SekIntAckMS68k);
-//  m68k_pulse_reset(); // not yet, memmap is not set up
-    m68k_set_context(oldcontext);
-  }
-#endif
-#ifdef EMU_F68K
-  {
-    void *oldcontext = g_m68kcontext;
-    g_m68kcontext = &PicoCpuFS68k;
-    memset(&PicoCpuFS68k, 0, sizeof(PicoCpuFS68k));
-    fm68k_init();
-    PicoCpuFS68k.iack_handler = SekIntAckFS68k;
-    PicoCpuFS68k.sr = 0x2704; // Z flag
-    g_m68kcontext = oldcontext;
-  }
-#endif
-}
-
-// Reset the 68000:
-PICO_INTERNAL int SekResetS68k(void)
-{
-  if (Pico.rom==NULL) return 1;
-
-#ifdef EMU_C68K
-  CycloneReset(&PicoCpuCS68k);
-#endif
-#ifdef EMU_M68K
-  {
-    void *oldcontext = m68ki_cpu_p;
-
-    m68k_set_context(&PicoCpuMS68k);
-    m68ki_cpu.sp[0]=0;
-    m68k_set_irq(0);
-    m68k_pulse_reset();
-    m68k_set_context(oldcontext);
-  }
-#endif
-#ifdef EMU_F68K
-  {
-    void *oldcontext = g_m68kcontext;
-    g_m68kcontext = &PicoCpuFS68k;
-    fm68k_reset();
-    g_m68kcontext = oldcontext;
-  }
-#endif
-
-  return 0;
-}
-
-PICO_INTERNAL int SekInterruptS68k(int irq)
-{
-  int irqs, real_irq = 1;
-  Pico_mcd->m.s68k_pend_ints |= 1 << irq;
-  irqs = Pico_mcd->m.s68k_pend_ints >> 1;
-  while ((irqs >>= 1)) real_irq++;
-
-#ifdef EMU_CORE_DEBUG
-  {
-    extern int dbg_irq_level_sub;
-    dbg_irq_level_sub=real_irq;
-    return 0;
-  }
-#endif
-#ifdef EMU_C68K
-  PicoCpuCS68k.irq=real_irq;
-#endif
-#ifdef EMU_M68K
-  void *oldcontext = m68ki_cpu_p;
-  m68k_set_context(&PicoCpuMS68k);
-  m68k_set_irq(real_irq);
-  m68k_set_context(oldcontext);
-#endif
-#ifdef EMU_F68K
-  PicoCpuFS68k.interrupts[0]=real_irq;
-#endif
-  return 0;
-}
-