Imported pristine psxsdk-20190410 from official repo

3 files changed, 398 insertions, 0 deletions

diff --git a/examples/psxpaint/Makefile b/examples/psxpaint/Makefile
new file mode 100644
index 0000000..d1d5698
--- /dev/null
+++ b/examples/psxpaint/Makefile
@@ -0,0 +1,7 @@
+PROJNAME = psxpaint
+
+include ../project.mk
+
+$(PROJNAME)_extra:
+
+$(PROJNAME)_clean_extra:
diff --git a/examples/psxpaint/cursor.h b/examples/psxpaint/cursor.h
new file mode 100644
index 0000000..4f1a9cf
--- /dev/null
+++ b/examples/psxpaint/cursor.h
@@ -0,0 +1,20 @@
+unsigned char cursor_tim[] =
+{
+16, 0, 0, 0, 8, 0, 0, 0, 44, 0, 0, 0, 128, 2, 224, 1, 
+16, 0, 1, 0, 
+0, 0, 0, 128, 255, 127, 0, 128, 0, 128, 0, 128, 
+0, 128, 0, 128, 0, 128, 0, 128, 0, 8, 0, 128, 64, 16, 0, 128, 
+64, 16, 0, 128, 204, 0, 0, 0, 128, 2, 0, 0, 4, 0, 24, 0, 
+1, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 
+33, 1, 0, 0, 0, 0, 0, 0, 33, 18, 0, 0, 0, 0, 0, 0, 
+33, 34, 1, 0, 0, 0, 0, 0, 33, 34, 18, 0, 0, 0, 0, 0, 
+33, 34, 34, 1, 0, 0, 0, 0, 33, 34, 34, 18, 0, 0, 0, 0, 
+33, 34, 34, 34, 1, 0, 0, 0, 33, 34, 34, 34, 18, 0, 0, 0, 
+33, 34, 34, 34, 34, 1, 0, 0, 33, 34, 34, 18, 17, 17, 0, 0, 
+33, 34, 33, 18, 0, 0, 0, 0, 33, 18, 33, 18, 0, 0, 0, 0, 
+33, 1, 16, 34, 1, 0, 0, 0, 17, 0, 16, 34, 1, 0, 0, 0, 
+1, 0, 0, 33, 18, 0, 0, 0, 0, 0, 0, 33, 18, 0, 0, 0, 
+0, 0, 0, 16, 34, 1, 0, 0, 0, 0, 0, 16, 34, 1, 0, 0, 
+0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+};
diff --git a/examples/psxpaint/psxpaint.c b/examples/psxpaint/psxpaint.c
new file mode 100644
index 0000000..726b13b
--- /dev/null
+++ b/examples/psxpaint/psxpaint.c
@@ -0,0 +1,371 @@
+/*
+ * PSXPaint
+ */
+
+/*
+ * Video memory layout:
+ *
+ * [0-639],[0-479] - Screen memory
+ * [640-895],[480-511] - Color Look Up Tables
+ * [640-643],[0-23]  - Cursor Image (16x24) (4bpp - real width: 16)
+ * [992-1023],[0-31] - Cursor Dirty Rectangle (32x32)
+ */
+
+#include <stdio.h>
+#include <psx.h>
+#include <psxgpu.h>
+#include "cursor.h"
+
+int cursor_x = 0, cursor_y = 0, cursor_speed = 1;
+int old_cursor_x, old_cursor_y;
+volatile unsigned int speed_counter = 0;
+int brush_type = 0;
+ 
+unsigned int primitive_list[4000]; 
+
+int paint_colors[20][3] = {
+	{ 0, 0, 0 }, // #0 Black
+	{ 255, 255, 255 }, // #1 White
+	{ 255, 0, 0 }, // #2 Red
+	{ 0, 255, 0 }, // #3 Green
+	{ 0, 0, 255 }, // #4 Blue
+	{ 255, 255, 0}, // #5 Yellow
+	{ 255, 0, 255}, // #6 Magenta (Fuchsia)
+	{ 0, 255, 255}, // #7 Aqua Green
+	{ 255, 128, 0}, // #8 Orange
+	{ 128, 255,0},  // #9 Lime Green
+	
+	{ 192, 192,255},// #10 Sky Blue
+	{ 128,128,128}, // #11 Grey
+	{ 128, 0,0  },  // #12 Dark Red
+	{ 0,  128, 0},  // #13 Dark Green
+	{ 0, 0, 128},   // #14 Dark Blue
+	{ 128, 128, 0}, // #15 Dark Yellow
+	{ 128, 0, 128}, // #16 Purple
+	{ 0, 128, 128}, // #17 Dark Aqua
+	{ 128, 64, 0},  // #18 Brown
+	{ 64, 128, 0},  // #19 Dark Lime Green
+	
+	/*{ 128, 0, 255}, // #10 Violet
+	{ 128,128,128}, // #11 Grey
+	{ 128, 0,0  },  // #12 Dark Red
+	{ 0,  128, 0},  // #13 Dark Green
+	{ 0, 0, 128},   // #14 Dark Blue
+	{ 192, 192,255},// #15 Sky Blue
+	{ 128, 128, 0}, // #16 Dark Yellow
+	{ 150, 75, 0},  // #17 Brown
+	{ 64, 64, 64},  // #18 Dark Grey
+	{ 128, 255,0},  // #19 Lime Green
+	*/
+};
+
+int current_color[3];	
+
+void sort_color_boxes()
+{
+	GsRectangle colorbox;
+	int x, y, c=0;
+	
+	for(y = 384; y < (384+32); y+=16)
+	{
+		for(x = 0; x < 640; x+=64)
+		{
+			colorbox.x = x;
+			colorbox.y = y;
+			colorbox.w = 64;
+			colorbox.h = 16;
+			colorbox.r = paint_colors[c][0];
+			colorbox.g = paint_colors[c][1];
+			colorbox.b = paint_colors[c][2];
+			colorbox.attribute = 0;
+			
+			GsSortRectangle(&colorbox);
+			
+			c++;
+		}
+	}
+}
+
+void load_ui_graphics()
+{
+	GsImage my_image;
+
+	GsImageFromTim(&my_image, cursor_tim);
+ 	GsUploadImage(&my_image);
+}
+ 
+void my_vblank_handler(); 
+ 
+void my_vblank_handler()
+{
+	speed_counter++;
+} 
+ 
+int main()
+{
+	GsDispEnv my_dispenv;
+	GsDrawEnv my_drawenv;
+	GsSprite my_sprite;
+	GsRectangle colorbox;
+	GsDot my_dot;
+	unsigned short pad1;
+	unsigned int WasL2=0, WasR2=0, WasL1=0, WasR1=0, WasSelect = 0;
+	int x, y;
+
+	PSX_InitEx(PSX_INIT_NOBIOS);
+	GsInit();
+	GsClearMem();
+	SetVBlankHandler(my_vblank_handler);
+
+	// This has to be interlaced	
+	GsSetVideoModeEx(640, 480, EXAMPLES_VMODE, 0, 1, 0);
+	
+	my_dispenv.x = 0;
+	my_dispenv.y = 0;
+	
+	GsSetDispEnv(&my_dispenv);
+	
+	my_drawenv.dither = 0;
+	my_drawenv.draw_on_display = 1;
+	my_drawenv.x = 0;
+	my_drawenv.y = 0;
+	my_drawenv.w = 640;
+	my_drawenv.h = 512;
+	my_drawenv.ignore_mask = 0;
+	my_drawenv.set_mask = 0;
+	
+	GsSetDrawEnv(&my_drawenv);
+	
+	GsSetList(primitive_list);
+	
+	load_ui_graphics();
+	while(GsIsDrawing());
+	
+	colorbox.x = 0;
+	colorbox.y = 0;
+	colorbox.w = 640;
+	colorbox.h = 511;
+	colorbox.r = 255;
+	colorbox.g = 255;
+	colorbox.b = 255;
+	colorbox.attribute = 0;
+	
+	GsSortRectangle(&colorbox);
+	
+	sort_color_boxes();
+	
+	
+	my_sprite.x = 0;
+	my_sprite.y = 0;
+	my_sprite.tpage = 10;
+	my_sprite.u = 0;
+	my_sprite.v = 0;
+	my_sprite.attribute = 0;
+	my_sprite.cx = 640;
+	my_sprite.cy = 480;
+	my_sprite.r = my_sprite.g = my_sprite.b = NORMAL_LUMINOSITY;
+	my_sprite.scalex = my_sprite.scaley = 0;
+	my_sprite.w = 16;
+	my_sprite.h = 24;
+		
+	GsDrawList();	
+	while(GsIsDrawing());
+	
+	// Backup 32x32 area
+	MoveImage(cursor_x, cursor_y, 992, 0, 32, 32);
+	
+	my_dot.attribute = 0;
+	
+	while(1)
+	{	
+		while(speed_counter)
+		{
+			old_cursor_x = cursor_x;
+			old_cursor_y = cursor_y;
+	
+			// Restore 32x32 area
+			MoveImage(992, 0, old_cursor_x, old_cursor_y, 32, 32);
+			while(GsIsDrawing());
+			
+			PSX_ReadPad(&pad1, NULL);
+		
+			if(pad1 & PAD_LEFT)
+				cursor_x-=cursor_speed;
+			
+			if(pad1 & PAD_RIGHT)
+				cursor_x+=cursor_speed;
+			
+			if(pad1 & PAD_UP)
+				cursor_y-=cursor_speed;
+		
+			if(pad1 & PAD_DOWN)
+				cursor_y+=cursor_speed;
+			
+			if(cursor_x <= 0)
+				cursor_x = 0;
+			
+			if(pad1 & PAD_CROSS)
+			{
+				if(cursor_y >= 384)
+				{
+					y = (cursor_y - 384) >> 4;
+					x = cursor_x >> 6;
+					
+					current_color[0] = paint_colors[(y * 10)+x][0];
+					current_color[1] = paint_colors[(y * 10)+x][1];
+					current_color[2] = paint_colors[(y * 10)+x][2];
+				}
+				else
+				{
+				
+				switch(brush_type)
+				{
+					case 0:
+						if(cursor_y >= 384)
+						{
+							break;
+						}
+					
+						my_dot.r = current_color[0];
+						my_dot.g = current_color[1];
+						my_dot.b = current_color[2];
+						my_dot.x = cursor_x;
+						my_dot.y = cursor_y;
+				
+						GsSortDot(&my_dot);
+					break;
+					case 1:
+						if(cursor_y >= 380)
+						{
+							break;
+						}
+					
+						my_dot.r = current_color[0];
+						my_dot.g = current_color[1];
+						my_dot.b = current_color[2];
+						my_dot.x = cursor_x + 1;
+						my_dot.y = cursor_y;
+				
+						GsSortDot(&my_dot);
+						
+						my_dot.x++;
+						
+						GsSortDot(&my_dot);
+						
+						my_dot.y++;
+						my_dot.x-=2;
+						
+						GsSortDot(&my_dot);
+						
+						my_dot.x++;
+						
+						GsSortDot(&my_dot);
+						
+						my_dot.x++;
+						
+						GsSortDot(&my_dot);
+						
+						my_dot.x++;
+						
+						GsSortDot(&my_dot);
+						
+						my_dot.y++;
+						my_dot.x-=2;
+						
+						GsSortDot(&my_dot);
+						
+						my_dot.x++;
+						
+						GsSortDot(&my_dot);
+					break;
+				}
+				
+				}
+				
+				GsDrawList();
+				while(GsIsDrawing());
+			}
+				
+			if((pad1 & PAD_R2) && !WasR2)
+			{
+				cursor_speed++;
+				WasR2 = 1;
+			}
+				
+			if((pad1 & PAD_L2) && !WasL2)
+			{
+				cursor_speed--;
+				WasL2 = 1;
+			}
+			
+			if(!(pad1 & PAD_R2))
+				WasR2 = 0;
+				
+			if(!(pad1 & PAD_L2))
+				WasL2 = 0;
+			
+			if((pad1 & PAD_R1) && !WasR1)
+			{
+				brush_type++;
+				WasR1 = 1;
+			}
+			
+			if((pad1 & PAD_L1) && !WasL1)
+			{
+				brush_type--;
+				WasL1 = 1;
+			}
+			
+			if((pad1 & PAD_SELECT) && !WasSelect)
+			{
+				my_sprite.attribute ^= (ENABLE_TRANS | TRANS_MODE(0));
+				my_dot.attribute ^= (ENABLE_TRANS | TRANS_MODE(0));
+				WasSelect = 1;
+			}
+			
+			if(!(pad1 & PAD_SELECT))
+				WasSelect = 0;
+			
+			if(!(pad1 & PAD_R1))
+				WasR1 = 0;
+				
+			if(!(pad1 & PAD_L1))
+				WasL1 = 0;
+				
+			if(cursor_speed <= 0)
+				cursor_speed = 1;
+				
+			if(cursor_speed >= 8)
+				cursor_speed = 7;
+				
+			if(brush_type <= 0)
+				brush_type = 0;
+				
+			if(brush_type > 1)
+				brush_type = 1;	
+	
+			// Backup 32x32 area
+				MoveImage(cursor_x, cursor_y, 992, 0, 32, 32);
+				while(GsIsDrawing());
+			
+		//	if(cursor_x != old_cursor_x || cursor_y != old_cursor_y)
+		//	{
+			//	printf("cx = %d, cy = %d, cursor_speed = %d, brush_type = %d\n",
+			//	cursor_x, cursor_y, cursor_speed, brush_type);
+		
+
+			
+
+		
+				my_sprite.x = cursor_x;
+				my_sprite.y = cursor_y;
+				GsSortSimpleSprite(&my_sprite);
+		
+				GsDrawList();
+				while(GsIsDrawing());
+		//	}
+			
+			speed_counter--;
+		}
+	}	
+}