--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/coleco.h	Thu Jan 04 23:46:32 2024 -0800
@@ -0,0 +1,35 @@
+#ifndef COLECO_H_
+#define COLECO_H_
+
+#include "system.h"
+#include "vdp.h"
+#include "psg.h"
+#ifdef NEW_CORE
+#include "z80.h"
+#else
+#include "z80_to_x86.h"
+#endif
+
+#define COLECO_BIOS_SIZE (8 * 1024)
+#define COLECO_RAM_SIZE (1 * 1024)
+
+typedef struct {
+	system_header header;
+	z80_context   *z80;
+	vdp_context   *vdp;
+	psg_context   *psg;
+	uint8_t       *rom;
+	uint32_t      rom_size;
+	uint32_t      normal_clock;
+	uint32_t      master_clock;
+	uint32_t      last_frame;
+	uint8_t       ram[COLECO_RAM_SIZE];
+	uint8_t       bios[COLECO_BIOS_SIZE];
+	uint8_t       controller_state[4];
+	uint8_t       controller_select;
+	uint8_t       should_return;
+} coleco_context;
+
+coleco_context *alloc_configure_coleco(system_media *media);
+
+#endif //COLECO_H_