started a simple emulator

1 files changed, 26 insertions, 0 deletions

diff --git a/emu/memory.c b/emu/memory.c
new file mode 100644
index 0000000..c9d953b
--- /dev/null
+++ b/emu/memory.c
@@ -0,0 +1,26 @@
+#include "memory.h"
+
+#include <stdio.h>
+
+void memory_init( memory_t *memory )
+{
+	memory->read = memory_read;
+	memory->write = memory_write;
+}
+
+uint8_t memory_read( memory_t *memory, uint16_t addr )
+{
+	return memory->cell[addr];
+}
+
+void memory_write( memory_t *memory, uint16_t addr, uint8_t data )
+{	
+	memory->cell[addr] = data;
+}
+
+void memory_load( memory_t *memory, uint16_t addr, uint16_t size, const char *filename )
+{
+	FILE *f = fopen( filename, "rb" );
+	fread( &memory->cell[addr], size, 1, f );
+	fclose( f );
+}