initial commit

2026-07-18 20:34:55 +02:00
commit 59ad004c96
474 changed files with 226635 additions and 0 deletions
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+#include <c64/vic.h>
+#include <c64/memmap.h>
+#include <gfx/mcbitmap.h>
+#include <c64/mouse.h>
+#include <c64/joystick.h>
+#include <c64/keyboard.h>
+#include <c64/cia.h>
+#include <c64/sprites.h>
+#include <string.h>
+#include <oscar.h>
+
+#pragma region(main, 0x0880, 0xd000, , , {code, data, bss, heap, stack} )
+
+static char * const Color1	=	(char *)0xd000;
+static char * const Color2	=	(char *)0xd800;
+static char * const Hires	=	(char *)0xe000;
+static char * const Sprites	=	(char *)0xd800;
+
+const char MouseSpriteData[] = {
+	#embed spd_sprites lzo "../resources/mouse.spd"
+};
+
+Bitmap		sbm;
+ClipRect	scr = { 0, 0, 320, 200 };
+
+void init(void)
+{
+	// Install IRQ trampoline
+	mmap_trampoline();
+
+	cia_init();
+
+	// All RAM
+	mmap_set(MMAP_RAM);	
+
+	// Init hires mem, and resources
+	memset(Color1, 0x67, 1000);
+	memset(Hires, 0, 8000);
+	oscar_expand_lzo(Sprites, MouseSpriteData);
+
+	// Sprite image for cursor
+	Color1[0x3f8] = 97;
+	Color1[0x3f9] = 96;
+
+	// Enable IO space
+	mmap_set(MMAP_NO_ROM);
+
+	// Clear color RAM
+	memset(Color2, 0x02, 1000);
+
+	// Set screen
+	vic.color_back = VCOL_BLACK;
+	vic.color_border = VCOL_BLACK;
+	vic_setmode(VICM_HIRES_MC, Color1, Hires);
+
+	// Init mouse cursor
+	spr_show(0, true);
+	spr_show(1, true);
+	spr_color(0, VCOL_BLACK);
+	spr_color(1, VCOL_WHITE);
+	spr_move(0, 24, 50);
+	spr_move(1, 24, 50);
+
+	// Disable system interrupt and init mouse
+	mouse_init();
+
+	bm_init(&sbm, Hires, 40, 25);
+}
+
+int mouse_x, mouse_y;
+
+bool mouse_move(void)
+{
+	// Poll mouse and joystick for backup
+	joy_poll(0);
+	mouse_poll();
+
+	// New mouse cursor position
+	int mx = mouse_x + (signed char)(joyx[0] + mouse_dx);
+	int my = mouse_y + (signed char)(joyy[0] - mouse_dy);
+
+	// Clip to screen
+	if (mx < 0)
+		mx = 0;
+	else if (mx > 319)
+		mx = 319;
+	if (my < 0)
+		my = 0;
+	else if (my > 199)
+		my = 199;
+
+	// Check if moved
+	if (mx != mouse_x || my != mouse_y)
+	{
+		mouse_x = mx;
+		mouse_y = my;
+
+		// Update cursor sprite
+		spr_move(0, mx + 24, my + 50);
+		spr_move(1, mx + 24, my + 50);
+
+		return true;
+	}
+
+	return false;
+}
+
+int main(void)
+{
+	init();
+
+	char c0 = 1, c1 = 1;
+
+	for(;;)
+	{
+		// Check if mouse moved
+		if (mouse_move())
+		{
+			// Paint a circle at the mouse position, if mouse was moved
+
+			if (mouse_lb || joyb[0])
+				bmmc_circle_fill(&sbm, &scr, mouse_x, mouse_y, 5, MixedColors[c0][c1]);
+			else if (mouse_rb)
+				bmmc_circle_fill(&sbm, &scr, mouse_x, mouse_y, 5, MixedColors[0][0]);
+		}
+
+		// Poll the keyboard
+		keyb_poll();
+
+		switch (keyb_key)
+		{
+		// Clear screen
+		case KSCAN_HOME + KSCAN_QUAL_DOWN:
+			bmmcu_rect_fill(&sbm, 0, 0, 320, 200, 0);
+			break;
+
+		// Select color with 0..9
+		case KSCAN_0 + KSCAN_QUAL_DOWN:
+			c0 = 0; c1 = 0;
+			break;
+		case KSCAN_1 + KSCAN_QUAL_DOWN:
+			c0 = 1; c1 = 1;
+			break;
+		case KSCAN_2 + KSCAN_QUAL_DOWN:
+			c0 = 2; c1 = 2;
+			break;
+		case KSCAN_3 + KSCAN_QUAL_DOWN:
+			c0 = 3; c1 = 3;
+			break;
+
+		case KSCAN_4 + KSCAN_QUAL_DOWN:
+			c0 = 1; c1 = 0;
+			break;
+		case KSCAN_5 + KSCAN_QUAL_DOWN:
+			c0 = 1; c1 = 2;
+			break;
+		case KSCAN_6 + KSCAN_QUAL_DOWN:
+			c0 = 1; c1 = 3;
+			break;
+		case KSCAN_7 + KSCAN_QUAL_DOWN:
+			c0 = 2; c1 = 0;
+			break;
+		case KSCAN_8 + KSCAN_QUAL_DOWN:
+			c0 = 2; c1 = 3;
+			break;
+		case KSCAN_9 + KSCAN_QUAL_DOWN:
+			c0 = 3; c1 = 0;
+			break;
+
+		// Flood fill
+		case KSCAN_F + KSCAN_QUAL_DOWN:
+			bmmc_flood_fill(&sbm, &scr, mouse_x, mouse_y, c0);
+			break;
+		}
+
+		// Wait one frame
+		vic_waitFrame();
+	}
+
+	return 0;
+}