video: Init the IRQ position to something impossible

Without this, these IRQs trigger early, and WAL cannot handle that
(it tries to handle all IRQs that are active, not only those that
are enabled).

3 files changed, 9 insertions, 0 deletions

diff --git a/emu.c b/emu.c
index a9170a1..ac0da32 100644
--- a/emu.c
+++ b/emu.c
@@ -948,6 +948,7 @@ void emu(void)
 	read_rom(0);
 	board_init();
 	io_init();
+	video_init();
 	audio_init();
 
 	memset(reg, 0, sizeof reg);
diff --git a/video.c b/video.c
index a3e0e0f..7125011 100644
--- a/video.c
+++ b/video.c
@@ -471,3 +471,9 @@ void blit_screen(void)
 			blit_sprites(depth);
 	}
 }
+
+void video_init(void)
+{
+	mem[0x2836] = 0xffff;
+	mem[0x2837] = 0xffff;
+}
diff --git a/video.h b/video.h
index 3f31661..a699d27 100644
--- a/video.h
+++ b/video.h
@@ -22,4 +22,6 @@ u16 video_load(u32 addr);
 
 void blit_screen(void);
 
+void video_init(void);
+
 #endif