1 files changed, 101 insertions, 0 deletions
diff --git a/plugins/gme/game-music-emu-0.6.0/gme/hes_cpu_io.h b/plugins/gme/game-music-emu-0.6.0/gme/hes_cpu_io.h
new file mode 100644
index 00000000..ce60ce8e
--- /dev/null
+++ b/plugins/gme/game-music-emu-0.6.0/gme/hes_cpu_io.h
@@ -0,0 +1,101 @@
+
+#include "Hes_Emu.h"
+
+#include "blargg_source.h"
+
+int Hes_Emu::cpu_read( hes_addr_t addr )
+{
+	check( addr <= 0xFFFF );
+	int result = *cpu::get_code( addr );
+	if ( mmr [addr >> page_shift] == 0xFF )
+		result = cpu_read_( addr );
+	return result;
+}
+
+void Hes_Emu::cpu_write( hes_addr_t addr, int data )
+{
+	check( addr <= 0xFFFF );
+	byte* out = write_pages [addr >> page_shift];
+	addr &= page_size - 1;
+	if ( out )
+		out [addr] = data;
+	else if ( mmr [addr >> page_shift] == 0xFF )
+		cpu_write_( addr, data );
+}
+
+inline byte const* Hes_Emu::cpu_set_mmr( int page, int bank )
+{
+	write_pages [page] = 0;
+	if ( bank < 0x80 )
+		return rom.at_addr( bank * (blargg_long) page_size );
+	
+	byte* data = 0;
+	switch ( bank )
+	{
+		case 0xF8:
+			data = cpu::ram;
+			break;
+		
+		case 0xF9:
+		case 0xFA:
+		case 0xFB:
+			data = &sgx [(bank - 0xF9) * page_size];
+			break;
+		
+		default:
+			if ( bank != 0xFF )
+				debug_printf( "Unmapped bank $%02X\n", bank );
+			return rom.unmapped();
+	}
+	
+	write_pages [page] = data;
+	return data;
+}
+
+#define CPU_READ_FAST( cpu, addr, time, out ) \
+	CPU_READ_FAST_( STATIC_CAST(Hes_Emu*,cpu), addr, time, out )
+
+#define CPU_READ_FAST_( cpu, addr, time, out ) \
+{\
+	out = READ_PROG( addr );\
+	if ( mmr [addr >> page_shift] == 0xFF )\
+	{\
+		FLUSH_TIME();\
+		out = cpu->cpu_read_( addr );\
+		CACHE_TIME();\
+	}\
+}
+
+#define CPU_WRITE_FAST( cpu, addr, data, time ) \
+	CPU_WRITE_FAST_( STATIC_CAST(Hes_Emu*,cpu), addr, data, time )
+
+#define CPU_WRITE_FAST_( cpu, addr, data, time ) \
+{\
+	byte* out = cpu->write_pages [addr >> page_shift];\
+	addr &= page_size - 1;\
+	if ( out )\
+	{\
+		out [addr] = data;\
+	}\
+	else if ( mmr [addr >> page_shift] == 0xFF )\
+	{\
+		FLUSH_TIME();\
+		cpu->cpu_write_( addr, data );\
+		CACHE_TIME();\
+	}\
+}
+
+#define CPU_READ( cpu, addr, time ) \
+	STATIC_CAST(Hes_Emu*,cpu)->cpu_read( addr )
+
+#define CPU_WRITE( cpu, addr, data, time ) \
+	STATIC_CAST(Hes_Emu*,cpu)->cpu_write( addr, data )
+
+#define CPU_WRITE_VDP( cpu, addr, data, time ) \
+	STATIC_CAST(Hes_Emu*,cpu)->cpu_write_vdp( addr, data )
+
+#define CPU_SET_MMR( cpu, page, bank ) \
+	STATIC_CAST(Hes_Emu*,cpu)->cpu_set_mmr( page, bank )
+
+#define CPU_DONE( cpu, time, result_out ) \
+	result_out = STATIC_CAST(Hes_Emu*,cpu)->cpu_done()