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-rw-r--r--plugins/gme/Game_Music_Emu-0.5.2/gme/Sap_Cpu.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/plugins/gme/Game_Music_Emu-0.5.2/gme/Sap_Cpu.h b/plugins/gme/Game_Music_Emu-0.5.2/gme/Sap_Cpu.h
deleted file mode 100644
index 712f63cd..00000000
--- a/plugins/gme/Game_Music_Emu-0.5.2/gme/Sap_Cpu.h
+++ /dev/null
@@ -1,83 +0,0 @@
-// Atari 6502 CPU emulator
-
-// Game_Music_Emu 0.5.2
-#ifndef SAP_CPU_H
-#define SAP_CPU_H
-
-#include "blargg_common.h"
-
-typedef blargg_long sap_time_t; // clock cycle count
-typedef unsigned sap_addr_t; // 16-bit address
-enum { future_sap_time = LONG_MAX / 2 + 1 };
-
-class Sap_Cpu {
-public:
- typedef BOOST::uint8_t uint8_t;
-
- // 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( sap_time_t end_time );
-
- // Registers are not updated until run() returns (except I flag in status)
- struct registers_t {
- BOOST::uint16_t pc;
- BOOST::uint8_t a;
- BOOST::uint8_t x;
- BOOST::uint8_t y;
- BOOST::uint8_t status;
- BOOST::uint8_t sp;
- };
- registers_t r;
-
- enum { idle_addr = 0xFEFF };
-
- // Time of beginning of next instruction to be executed
- sap_time_t time() const { return state->time + state->base; }
- void set_time( sap_time_t t ) { state->time = t - state->base; }
- void adjust_time( int delta ) { state->time += delta; }
-
- sap_time_t irq_time() const { return irq_time_; }
- void set_irq_time( sap_time_t );
-
- sap_time_t end_time() const { return end_time_; }
- void set_end_time( sap_time_t );
-
-public:
- Sap_Cpu() { state = &state_; }
- enum { irq_inhibit = 0x04 };
-private:
- struct state_t {
- sap_time_t base;
- sap_time_t time;
- };
- state_t* state; // points to state_ or a local copy within run()
- state_t state_;
- sap_time_t irq_time_;
- sap_time_t end_time_;
- uint8_t* mem;
-
- inline sap_time_t update_end_time( sap_time_t end, sap_time_t irq );
-};
-
-inline sap_time_t Sap_Cpu::update_end_time( sap_time_t t, sap_time_t irq )
-{
- if ( irq < t && !(r.status & irq_inhibit) ) t = irq;
- sap_time_t delta = state->base - t;
- state->base = t;
- return delta;
-}
-
-inline void Sap_Cpu::set_irq_time( sap_time_t t )
-{
- state->time += update_end_time( end_time_, (irq_time_ = t) );
-}
-
-inline void Sap_Cpu::set_end_time( sap_time_t t )
-{
- state->time += update_end_time( (end_time_ = t), irq_time_ );
-}
-
-#endif