From e6c5e00908044e44799a0916f1c346fe5c341c81 Mon Sep 17 00:00:00 2001
From: condret <condr3t@protonmail.com>
Date: Mon, 21 Oct 2024 01:54:19 +0200
Subject: [PATCH] bla

---
 include/gb.h | 19 ++++++++++++++++---
 io/joypad.c  |  4 ++--
 io/timers.c  |  4 ++--
 3 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/include/gb.h b/include/gb.h
index d836b9d..ca1f0b3 100644
--- a/include/gb.h
+++ b/include/gb.h
@@ -22,7 +22,7 @@ typedef struct gb_timers_t {
 
 GBTimers *gb_timers_open(RIO *io);
 void gb_timers_update(GBTimers *timers, ut32 cycles);
-void gb_timers_close(RIO *io, GBTimers *timers);
+void gb_timers_close(GBTimers *timers, RIO *io);
 
 typedef struct gb_joypad_t {
 	ut8 *keys;
@@ -41,9 +41,22 @@ typedef struct gb_joypad_t {
 
 GBJoypad *gb_joypad_open(RIO *io);
 void gb_joypad_update(GBJoypad *joypad);
-void gb_joypad_close(RIO *io, GBJoypad *joypad);
+void gb_joypad_close(GBJoypad *joypad, RIO *io);
 
-//int gb_mbc1_open(RIO *io, char *path);
+typedef struct gb_dma_t {
+	int dma_fd;	//fd representing the dma register
+	int dma_bus_fd;	//fd representing the memory bus while dma occupies it
+	ut16 bus_occupancy_size;
+	ut8 buf[0xa0];
+	ut8 dst;	//current dst addr low byte
+	ut8 todo;	//cycles todo
+	ut8 frontrun;	//cycles that read/write ops had frontrun the dma copy
+	ut8 val;
+} GBDMA;
+
+GBDMA *gb_dma_open(RIO *io);
+void gb_dma_update(GBDMA *dma, RIO *io, ut32 cycles);
+void gb_dma_close(GBDMA *dma, RIO *io);
 
 extern RIOPlugin r_io_plugin_gb_timers;
 extern RIOPlugin r_io_plugin_gb_mbc1;
diff --git a/io/joypad.c b/io/joypad.c
index 24e2b27..308b23d 100644
--- a/io/joypad.c
+++ b/io/joypad.c
@@ -135,8 +135,8 @@ void gb_joypad_update(GBJoypad *joypad) {
 	}
 }
 
-void gb_joypad_close (RIO *io, GBJoypad *joypad) {
-	if (!io || !joypad) {
+void gb_joypad_close (GBJoypad *joypad, RIO *io) {
+	if (!joypad || !io) {
 		return;
 	}
 	r_io_fd_close (io, joypad->fd);
diff --git a/io/timers.c b/io/timers.c
index a0b44c9..e1bfcf0 100644
--- a/io/timers.c
+++ b/io/timers.c
@@ -122,8 +122,8 @@ GBTimers *gb_timers_open (RIO *io) {
 	return timers;
 }
 
-void gb_timers_close (RIO *io, GBTimers *timers) {
-	if (!io || !timers) {
+void gb_timers_close (GBTimers *timers, RIO *io) {
+	if (!timers || !io) {
 		return;
 	}
 	r_io_fd_close (io, timers->fd);