From 2ce21e092161fcc41fa51b365aeb4dd071d7e949 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Wed, 20 Jun 2018 18:29:22 -0400
Subject: add gb.h, add gb_init(), gb_get_rgb_frame(), disable bios

---
 gb.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'gb.h')

diff --git a/gb.h b/gb.h
index 6be3a94..1dab2e2 100644
--- a/gb.h
+++ b/gb.h
@@ -25,12 +25,14 @@ typedef enum {
 #define GB_BTN_SELECT (1 << 6)
 #define GB_BTN_START  (1 << 7)
 
+// frame size, in bytes
+#define GB_FRAME_SIZE (3 * 160 * 144)
+
 typedef struct {
   struct {
-    _Bool in_bios;
+    // _Bool in_bios;
 
     // FIXME: combine these?
-    uint8_t bios[0x100]; // bios (256 bytes)
     uint8_t ram[0x2000]; // working ram (8k)
     uint8_t eram[65536]; // external ram (banked, up to 64k)
     uint8_t vram[0x2000]; // vram (8k)
@@ -95,7 +97,7 @@ typedef struct {
             obp1,
             line,
             lyc;
-    uint8_t rgb[3 * 160 * 144];
+    uint8_t rgb[GB_FRAME_SIZE];
     uint32_t frame;
   } gpu;
 
@@ -116,6 +118,12 @@ typedef struct {
   } cpu;
 } gb_t;
 
+void gb_init(gb_t * const, const uint8_t *rom, const uint32_t rom_size);
+void gb_set_buttons(gb_t * const, const uint8_t);
+void gb_frame(gb_t * const);
+void gb_step(gb_t * const);
+const uint8_t *gb_get_rgb_frame(const gb_t * const);
+
 #ifdef __cplusplus
 };
 #endif /* __cplusplus */
-- 
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