Imported pristine psxsdk-20190410 from official repo

1 files changed, 196 insertions, 0 deletions

diff --git a/libpsx/include/psxgte.h b/libpsx/include/psxgte.h
new file mode 100644
index 0000000..24574b9
--- /dev/null
+++ b/libpsx/include/psxgte.h
@@ -0,0 +1,196 @@
+#ifndef _PSXGTE_H
+#define _PSXGTE_H
+
+/** GTE operations */
+
+enum gte_operations
+{
+	/** Perspective transformation */
+	GTE_OP_RTPS = 	0x0180001,
+	/** Perspective Transformation on 3 points */
+	GTE_OP_RTPT = 	0x0280030,
+	/** Multiply vector by matrix and vector addition */
+	GTE_OP_MVMVA =	0x0400012,
+	/** Depth Cue Color light */
+	GTE_OP_DCPL =	0x0680029,
+	/** Depth Cueing */
+	GTE_OP_DPCS =	0x0780010,
+	/** Interpolation of a vector and far color vector */
+	GTE_OP_INTPL =	0x0980011,
+	/** Square vector */
+	GTE_OP_SQR =	0x0A00428,
+	/** Normal color single vector */
+	GTE_OP_NCS =	0x0C8041E,
+	/** Normal color three vectors */
+	GTE_OP_NCT =	0x0D80420,
+	/** Normal color depth cue single vector */
+	GTE_OP_NCDS =	0x0E80413,
+	/** Normal color depth cue three vectors */
+	GTE_OP_NCDT =	0x0F80416,
+	/** Depth Cueing */
+	GTE_OP_DPCT =	0x0F8002A,
+	/** Normal Color Color single vector */
+	GTE_OP_NCCS =	0x108041B,
+	/** Normal Color Color three vectors */
+	GTE_OP_NCCT =	0x118043F,
+	/** Color Depth Cue */
+	GTE_OP_CDP =	0x1280414,
+	/** Color Color */
+	GTE_OP_CC =	0x138041C,
+	/** Normal clipping */
+	GTE_OP_NCLIP =	0x1400006,
+	/** Average of three Z values */
+	GTE_OP_AVSZ3 =	0x158002D,
+	/** Average of four Z values */
+	GTE_OP_AVSZ4 =	0x168002E,
+	/** Outer product of 2 vectors */
+	GTE_OP_OP =	0x170000C,
+	/** General purpose interpolation */
+	GTE_OP_GPF =	0x190003D,
+	/** General purpose interpolation */
+	GTE_OP_GPL =	0x1A0003E
+};
+
+/** GTE error flags, grab from cop2 register 63 */
+
+enum gte_error_flags
+{
+	GTE_FLAG_MAC1_OVF_POS =		0x40000000,
+	GTE_FLAG_MAC2_OVF_POS =		0x20000000,
+	GTE_FLAG_MAC3_OVF_POS =		0x10000000,
+
+	GTE_FLAG_MAC1_OVF_NEG =		0x08000000,
+	GTE_FLAG_MAC2_OVF_NEG =		0x04000000,
+	GTE_FLAG_MAC3_OVF_NEG =		0x02000000,
+
+	GTE_FLAG_IR1_SATURATED =	0x01000000,
+	GTE_FLAG_IR2_SATURATED =	0x00800000,
+	GTE_FLAG_IR3_SATURATED =	0x00400000,
+
+	GTE_FLAG_COL_FIFO_R_SATURATED =	0x00200000,
+	GTE_FLAG_COL_FIFO_G_SATURATED =	0x00100000,
+	GTE_FLAG_COL_FIFO_B_SATURATED =	0x00080000,
+
+	GTE_FLAG_SZ3_OTZ_SATURATED =	0x00040000,
+
+	GTE_FLAG_DIV_OVF_SATURATED =	0x00020000,
+
+	GTE_FLAG_MAC0_OVF_POS =		0x00010000,
+	GTE_FLAG_MAC0_OVF_NEG =		0x00008000,
+
+	GTE_FLAG_SX2_SATURATED =	0x00004000,
+	GTE_FLAG_SY2_SATURATED =	0x00002000,
+
+	GTE_FLAG_IR0_SATURATED =	0x00001000
+};
+
+/** GTE data registers */
+
+enum gte_data_registers
+{
+	/** Vector 0 X and Y */
+	GTE_R_VXY0 =	0,
+	/** Vector 0 Z */
+	GTE_R_VZ0 =	1,	
+	/** Vector 1 X and Y */
+	GTE_R_VXY1 =	2,
+	/** Vector 1 Z */
+	GTE_R_VZ1 =	3,
+	/** Vector 2 X and Y */
+	GTE_R_VXY2 =	4,
+	/** Vector 2 Z */
+	GTE_R_VZ2 =	5,
+	/** RGB value */
+	GTE_R_RGB =	6,
+	/** Z Average value */
+	GTE_R_OTZ =	7,
+	/** Intermediate value 0 */
+	GTE_R_IR0 =	8,
+	/** Intermediate value 1 */
+	GTE_R_IR1 =	9,
+	/** Intermediate value 2 */
+	GTE_R_IR2 =	10,
+	/** Intermediate value 3 */
+	GTE_R_IR3 =	11,
+	/** Screen XY coordinates 0 FIFO */
+	GTE_R_SXY0 =	12,
+	/** Screen XY coordinates 1 FIFO */
+	GTE_R_SXY1 =	13,
+	/** Screen XY coordinates 2 FIFO */
+	GTE_R_SXY2 =	14,
+	/** Screen XY coordinates P FIFO */
+	GTE_R_SXYP =	15,
+	/** Screen Z 0 FIFO */
+	GTE_R_SZ0 =	16,
+	/** Screen Z 1 FIFO */
+	GTE_R_SZ1 =	17,
+	/** Screen Z 2 FIFO */
+	GTE_R_SZ2 =	18,
+	/** Screen Z 3 FIFO */
+	GTE_R_SZ3 =	19,
+	/** Characteristic color 0 FIFO */
+	GTE_R_RGB0 =	20,
+	/** Characteristic color 1 FIFO */
+	GTE_R_RGB1 =	21,
+	/** Characteristic color 2 FIFO */
+	GTE_R_RGB2 =	22,
+	/** Sum of products value 0 */
+	GTE_R_MAC0 =	24,
+	/** Sum of products value 1 */
+	GTE_R_MAC1 =	25,
+	/** Sum of products value 2 */
+	GTE_R_MAC2 =	26,
+	/** Sum of products value 3 */
+	GTE_R_MAC3 =	27,
+	/** IRGB ?? */
+	GTE_R_IRGB =	28,
+	/** ORGB ?? */
+	GTE_R_ORGB =	29,
+	/** Leading zero count source data. */
+	GTE_R_LZCS =	30,
+	/** Leading zero count result */
+	GTE_R_LZCR =	31
+};
+
+/** GTE control registers */
+
+enum gte_control_registers
+{
+	GTE_R_R11R12 = 0,
+	GTE_R_R13R21 = 1,
+	GTE_R_R22R23 = 2,
+	GTE_R_R31R32 = 3,
+	GTE_R_R33 = 4,
+	GTE_R_TRX = 5,
+	GTE_R_TRY = 6,
+	GTE_R_TRZ = 7,
+	
+	GTE_R_L11L12 = 8,
+	GTE_R_L13L21 = 9,
+	GTE_R_L22L23 = 10,
+	GTE_R_L31L32 = 11,
+	GTE_R_L33 =    12,
+	GTE_R_RBK =    13,
+	GTE_R_GBK =    14,
+	GTE_R_BBK =    15,
+
+	GTE_R_LR1LR2 = 16,
+	GTE_R_LR3LG1 = 17,
+	GTE_R_LG2LG3 = 18,
+	GTE_R_LB1LB2 = 19,
+	GTE_R_LB3 =    20,
+	GTE_R_RFC =    21,
+	GTE_R_GFC =    22,
+	GTE_R_BFC =    23,
+
+	GTE_R_OFX =    24,
+	GTE_R_OFY =    25,
+	GTE_R_H =      26,
+	GTE_R_DQA =    27,
+	GTE_R_DQB =    28,
+	GTE_R_ZSF3 =   29,
+	GTE_R_ZSF4 =   30,
+	GTE_R_FLAG =   31
+};
+
+#endif