1 files changed, 67 insertions, 0 deletions
diff --git a/lib/ultralib/include/PRinternal/viint.h b/lib/ultralib/include/PRinternal/viint.h
new file mode 100644
index 0000000..b3c3943
--- /dev/null
+++ b/lib/ultralib/include/PRinternal/viint.h
@@ -0,0 +1,67 @@
+#ifndef _VIINT_H
+#define _VIINT_H
+#include "PR/os_internal.h"
+
+#define OS_TV_TYPE_PAL 0
+#define OS_TV_TYPE_NTSC 1
+#define OS_TV_TYPE_MPAL 2
+
+#define VI_STATE_MODE_UPDATED 0x01
+#define VI_STATE_XSCALE_UPDATED 0x02
+#define VI_STATE_YSCALE_UPDATED 0x04
+#define VI_STATE_CTRL_UPDATED 0x08   // related to control regs changing
+#define VI_STATE_BUFFER_UPDATED 0x10 // swap buffer
+#define VI_STATE_BLACK 0x20          // probably related to a black screen
+#define VI_STATE_REPEATLINE 0x40     // repeat line?
+#define VI_STATE_FADE 0x80           // fade
+
+#define VI_SCALE_MASK 0xfff //see rcp scale_x/scale_y
+#define VI_2_10_FPART_MASK 0x3ff
+#define VI_SUBPIXEL_SH 0x10
+
+#define BURST(hsync_width, color_width, vsync_width, color_start) \
+    (((u32)(hsync_width) & 0xFF) | (((u32)(color_width) & 0xFF) << 8) | (((u32)(vsync_width) & 0xF) << 16) | (((u32)(color_start) & 0xFFFF) << 20))
+#define WIDTH(v) (v)
+#define VSYNC(v) (v)
+#define HSYNC(duration, leap) (((u32)(leap) << 16) | ((u32)(duration) & 0xFFFF))
+#define LEAP(upper, lower) (((u32)(upper) << 16) | ((u32)(lower) & 0xFFFF))
+#define START(start, end) (((u32)(start) << 16) | ((u32)(end) & 0xFFFF))
+
+#define FTOFIX(val, i, f) ((u32)((val) * (f32)(1 << (f))) & ((1 << ((i) + (f))) - 1))
+
+#define F210(val) FTOFIX(val, 2, 10)
+#define SCALE(scaleup, off) (F210((1.0f / (f32)(scaleup))) | (F210((f32)(off)) << 16))
+
+#define VCURRENT(v) v //seemingly unused
+#define ORIGIN(v) v
+#define VINTR(v) v
+#define HSTART START
+
+typedef struct
+{
+    /* 0x0 */ f32 factor;
+    /* 0x4 */ u16 offset;
+    /* 0x8 */ u32 scale;
+} __OSViScale;
+
+typedef struct
+{
+    /* 0x0 */ u16 state;
+    /* 0x2 */ u16 retraceCount;
+    /* 0x4 */ void *framep;
+    /* 0x8 */ OSViMode *modep;
+    /* 0xC */ u32 control;
+    /* 0x10 */ OSMesgQueue *msgq;
+    /* 0x14 */ OSMesg msg;
+    /* 0x18 */ __OSViScale x;
+    /* 0x24 */ __OSViScale y;
+} __OSViContext; // 0x30 bytes
+
+void __osViSwapContext(void);
+extern __OSViContext *__osViCurr;
+extern __OSViContext *__osViNext;
+extern u32 __additional_scanline;
+__OSViContext *__osViGetCurrentContext(void);
+void __osViInit(void);
+extern OSDevMgr __osViDevMgr;
+#endif