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Diffstat (limited to 'plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Cpu.h')
-rw-r--r--plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Cpu.h92
1 files changed, 0 insertions, 92 deletions
diff --git a/plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Cpu.h b/plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Cpu.h
deleted file mode 100644
index 07241d5e..00000000
--- a/plugins/gme/Game_Music_Emu-0.5.2/gme/Ay_Cpu.h
+++ /dev/null
@@ -1,92 +0,0 @@
-// Z80 CPU emulator
-
-// Game_Music_Emu 0.5.2
-#ifndef AY_CPU_H
-#define AY_CPU_H
-
-#include "blargg_endian.h"
-
-typedef blargg_long cpu_time_t;
-
-// must be defined by caller
-void ay_cpu_out( class Ay_Cpu*, cpu_time_t, unsigned addr, int data );
-int ay_cpu_in( class Ay_Cpu*, unsigned addr );
-
-class Ay_Cpu {
-public:
- // Clear all registers and keep pointer to 64K memory passed in
- void reset( void* mem_64k );
-
- // Run until specified time is reached. Returns true if suspicious/unsupported
- // instruction was encountered at any point during run.
- bool run( cpu_time_t end_time );
-
- // Time of beginning of next instruction
- cpu_time_t time() const { return state->time + state->base; }
-
- // Alter current time. Not supported during run() call.
- void set_time( cpu_time_t t ) { state->time = t - state->base; }
- void adjust_time( int delta ) { state->time += delta; }
-
- typedef BOOST::uint8_t uint8_t;
- typedef BOOST::uint16_t uint16_t;
-
- #if BLARGG_BIG_ENDIAN
- struct regs_t { uint8_t b, c, d, e, h, l, flags, a; };
- #else
- struct regs_t { uint8_t c, b, e, d, l, h, a, flags; };
- #endif
- BOOST_STATIC_ASSERT( sizeof (regs_t) == 8 );
-
- struct pairs_t { uint16_t bc, de, hl, fa; };
-
- // Registers are not updated until run() returns
- struct registers_t {
- uint16_t pc;
- uint16_t sp;
- uint16_t ix;
- uint16_t iy;
- union {
- regs_t b; // b.b, b.c, b.d, b.e, b.h, b.l, b.flags, b.a
- pairs_t w; // w.bc, w.de, w.hl. w.fa
- };
- union {
- regs_t b;
- pairs_t w;
- } alt;
- uint8_t iff1;
- uint8_t iff2;
- uint8_t r;
- uint8_t i;
- uint8_t im;
- };
- //registers_t r; (below for efficiency)
-
- // can read this far past end of memory
- enum { cpu_padding = 0x100 };
-
-public:
- Ay_Cpu();
-private:
- uint8_t szpc [0x200];
- uint8_t* mem;
- cpu_time_t end_time_;
- struct state_t {
- cpu_time_t base;
- cpu_time_t time;
- };
- state_t* state; // points to state_ or a local copy within run()
- state_t state_;
- void set_end_time( cpu_time_t t );
-public:
- registers_t r;
-};
-
-inline void Ay_Cpu::set_end_time( cpu_time_t t )
-{
- cpu_time_t delta = state->base - t;
- state->base = t;
- state->time += delta;
-}
-
-#endif