1 files changed, 72 insertions, 0 deletions

diff --git a/apps/codecs/libgme/hes_cpu_io.h b/apps/codecs/libgme/hes_cpu_io.h
new file mode 100644
index 0000000000..6b49c69e22
--- /dev/null
+++ b/apps/codecs/libgme/hes_cpu_io.h
@@ -0,0 +1,72 @@
+
+#include "hes_emu.h"
+
+#include "blargg_source.h"
+
+int Cpu_read( struct Hes_Emu* this, hes_addr_t addr )
+{
+        check( addr <= 0xFFFF );
+        int result = *Cpu_get_code( &this->cpu, addr );
+        if ( this->cpu.mmr [addr >> page_shift] == 0xFF )
+                result = Emu_cpu_read( this, addr );
+        return result;
+}
+
+void Cpu_write( struct Hes_Emu* this, hes_addr_t addr, int data )
+{
+        check( addr <= 0xFFFF );
+        byte* out = this->write_pages [addr >> page_shift];
+        addr &= page_size - 1;
+        if ( out )
+                out [addr] = data;
+        else if ( this->cpu.mmr [addr >> page_shift] == 0xFF )
+                Emu_cpu_write( this, addr, data );
+}
+
+#define CPU_READ_FAST( emu, addr, time, out ) \
+        CPU_READ_FAST_( emu, addr, time, out )
+
+#define CPU_READ_FAST_( emu, addr, time, out ) \
+{\
+        out = READ_PROG( addr );\
+        if ( emu->cpu.mmr [addr >> page_shift] == 0xFF )\
+        {\
+                FLUSH_TIME();\
+                out = Emu_cpu_read( emu, addr );\
+                CACHE_TIME();\
+        }\
+}
+
+#define CPU_WRITE_FAST( emu, addr, data, time ) \
+        CPU_WRITE_FAST_( emu, addr, data, time )
+
+#define CPU_WRITE_FAST_( emu, addr, data, time ) \
+{\
+        byte* out = emu->write_pages [addr >> page_shift];\
+        addr &= page_size - 1;\
+        if ( out )\
+        {\
+                out [addr] = data;\
+        }\
+        else if ( emu->cpu.mmr [addr >> page_shift] == 0xFF )\
+        {\
+                FLUSH_TIME();\
+                Emu_cpu_write( emu, addr, data );\
+                CACHE_TIME();\
+        }\
+}
+
+#define CPU_READ( emu, addr, time ) \
+        Cpu_read( emu, addr )
+
+#define CPU_WRITE( emu, addr, data, time ) \
+        Cpu_write( emu, addr, data )
+
+#define CPU_WRITE_VDP( emu, addr, data, time ) \
+        Cpu_write_vdp( emu, addr, data )
+
+#define CPU_SET_MMR( emu, page, bank ) \
+        Emu_cpu_set_mmr( emu, page, bank )
+
+#define CPU_DONE( emu, time, result_out ) \
+        result_out = Cpu_done( emu )