CTAOS v1

init.c

@@ -0,0 +1,37 @@
+#include <system.h>
+
+
+void system_init()
+{
+      // Detect if color/monochrome screen
+	char c = (*(volatile unsigned short*)0x410)&0x30;
+	if (c==0x30) TextVideoRam = (byte *)0xb0000;
+	else TextVideoRam = (byte *)0xb8000;
+	
+	// Reset cursor, use 80x25 text video mode
+	current_mode_width = 80;
+	current_mode_height = 25;
+	cursor_x = cursor_y = 0;
+	
+	// Install GDT, IDT, ISRs and IRQs; Enable interrupts
+      gdt_install();
+      idt_install();
+	isrs_install();
+	irq_install();
+      __asm__ __volatile__ ("sti");
+	 
+      // Install PIT timer
+      timer_ticks = 0;
+      irq_install_handler(0, timer_handler);
+      timer_phase (100);
+      
+      // Install keyboard
+      kb_modifier_status = 0;
+      kb_lights_status = 0xFF; kb_update_LED();
+      kb_lights_status = 0; kb_update_LED();
+      irq_install_handler(1, kb_handler);
+      
+      // mouse_driver();
+
+      
+}