Import backup from 2003-10-03

Functions.c

@@ -37,21 +37,31 @@ void remap_pics(int pic1, int pic2)
 {
 	byte	a1, a2;
 
-	a1 = inportb(PIC1_DATA);
+	a1 = inportb(PIC1_DATA);      //0x21
-	a2 = inportb(PIC2_DATA);
+	a2 = inportb(PIC2_DATA);      //0xA1
 
-	outportb(PIC1_COMMAND, ICW1_INIT+ICW1_ICW4);
+	outportb(PIC1_COMMAND, ICW1_INIT+ICW1_ICW4);	//0x20, 0x10+0x01 00010001b
-	outportb(PIC2_COMMAND, ICW1_INIT+ICW1_ICW4);
+	outportb(PIC2_COMMAND, ICW1_INIT+ICW1_ICW4);	//0xA0, 0x10+0x01 00010001b
-	outportb(PIC1_DATA, pic1);
+	outportb(PIC1_DATA, pic1);			//0x21, pic1
-	outportb(PIC2_DATA, pic2);
+	outportb(PIC2_DATA, pic2);			//0xA1, pic2
-	outportb(PIC1_DATA, 4);
+	outportb(PIC1_DATA, 4);				//0x21, 0x04      00000100b
-	outportb(PIC2_DATA, 2);
+	outportb(PIC2_DATA, 2);				//0xA1, 0x02      00000010b
-	outportb(PIC1_DATA, ICW4_8086);
+	outportb(PIC1_DATA, ICW4_8086);			//0x21, 0x01      00000001b
-	outportb(PIC2_DATA, ICW4_8086);
+	outportb(PIC2_DATA, ICW4_8086);			//0xA1, 0x01      00000001b
-	
+
-	outportb(PIC1_DATA, a1);
+	outportb(PIC1_DATA, a1);			//0x21
-	outportb(PIC2_DATA, a2);
+	outportb(PIC2_DATA, a2);			//0xA1
-};
+}
+
+inline void pic1_mask(byte mask)
+{
+	outportb(PIC1_DATA, mask);			//0x21, maskfield *OCW1*
+}
+
+inline void pic2_mask(byte mask)
+{
+ 	outportb(PIC2_DATA, mask);			//0xA1, maskfield *OCW1*
+}
 
 inline void restart()
 {
@@ -66,6 +76,16 @@ inline void eoi()
 	outportb(0x20, 0x20);							//EOI
 }
 
+inline void eoi2()
+{
+ 	outportb(0xA0, 0x20);
+ 	outportb(0x20, 0x20);
+}
+
+
+
+
+
 
 
 

functions.h

@@ -11,7 +11,10 @@ void enable_ints();
 void disable_ints();
 inline void restart();
 void remap_pics(int pic1, int pic2);
+inline void pic1_mask(byte mask);
+inline void pic2_mask(byte mask);
 inline void eoi();
+inline void eoi2();
 
 
 

kernel.c

@@ -14,22 +14,22 @@
 #include "video.h"
 #include "mm.h"
 #include "keyboard.h"
+#include "mouse.h"
 
 void isr(dword num);
 void k_init();
 
+#include "mouse.c"
 #include "keyboard.c"
 #include "mm.c"
 #include "functions.c"
 #include "video.c"
 
 dword	timer = 0;
-dword	index = 0;
-dword	keepgoing = 1;
-dword	addresses[256];
 
 void k_init()
 {
+	console_cls();
 	remap_pics(0x20, 0x28);
 	//set timer : 2e9c = 100hz
 	outportb(0x43, 0x34);
@@ -47,11 +47,32 @@ void k_init()
 	video_vert(10, 10, 16, 0x00ffff00);		//should be yellow 'H'
 	video_horiz(13, 10, 14, 0x00ffff00);
 	video_vert(14, 10, 16, 0x00ffff00);
+	
+	video_horiz(10, 17, 21, 0x00ffff00);
+	video_vert(19, 10, 16, 0x00ffff00);
+	video_horiz(16, 17, 21, 0x00ffff00);
+	
+	int a, b;
+	for (a = 0; a < 256; a++)
+	{
+		for (b = 0; b < 256; b++)
+		{
+			video_pset(a+5, b+30, (a<<16)|(b<<8));
+			video_pset(a+270, b+30, (a<<8)|(b));
+			video_pset(a+535, b+30, (a<<16)|(b));
+
+			video_pset(a+5, b+290, (a<<16)|(b<<8)|0x000000ff);
+			video_pset(a+270, b+290, (a<<8)|(b)|0x00ff0000);
+			video_pset(a+535, b+290, (a<<16)|(b)|0x0000ff00);
+		}
+	}
 
 	mm_init();
+	mouse_enableData();
 	enable_ints();
-	console_cls();
 	printf("Memory available to OS: %d MB (Bytes: %d)\n", mm_totalmem/0x100000, mm_totalmem);
+	pic1_mask(0);			//unmask IRQ's 0-7
+	pic2_mask(0);			//unmask IRQ's 8-15
 	dword key = 0;
 	for (;;)
 	{
@@ -67,37 +88,18 @@ void isr(dword num)
 	case 0x20:         		// IRQ0 - timer interrupt
 		timer++;
 		(*(byte *)0xb8000)++;
-		if ((timer%25)==0)
-		{
-			if (keepgoing)
-			{
-				addresses[index] = (dword) mm_palloc(256, KERNEL_PID);
-				printf("Addr: 0x%x\tEntries:\t%d\n", addresses[index], mm_freeentries());
-				if (addresses[index] == 0)
-				{
-					index = -1;
-					keepgoing = 0;
-				}
-				index++;
-			}
-			else
-			{
-				printf("Freeing %x\t", addresses[index]);
-				addresses[index] = mm_pfree((void *)addresses[index]);
-				printf("Free:\t%d\tEntries:\t%d\n", addresses[index], mm_freeentries());
-				if (addresses[index] != 0)
-				{
-					index = -1;
-					keepgoing = 1;
-				}
-				index++;
-			}
-		}
 		eoi();
 		break;
 	case 0x21:  			// IRQ1 - keyboard interrupt
 		isr_keyboard();    	//isr_keybard() takes care of calling eoi()
 		break;
+	case 0x2C:			// IRQ12 - PS/2 mouse
+		printf("InB: %x, %x, %x", inportb(0x60), inportb(0x60), inportb(0x60));
+		eoi2();
+		break;
+	default:
+		printf("Interrupt %d (0x%x) Unhandled!!\n", num, num);
+		break;
 	}
 }
 

keyboard.c

@@ -26,6 +26,7 @@ const byte SCAN2ASCIISHIFT[128] = "\000\033!@#$%^&*()_+\010\011QWERTYUIOP{}\n\00
 void isr_keyboard()
 {
 	kbdScan = inportb(0x60);
+	//printf("\nKEYBOARD INTERRUPT: 0x%x", kbdScan);
 	byte inState = inportb(0x61);
 	outportb(0x61, inState|0x80);
 	outportb(0x61, inState);

mouse.c

@@ -0,0 +1,19 @@
+// mouse.c
+// 10/03/03
+// Author: Josh Holtrop
+
+
+
+void mouse_enableData()
+{
+	outportb(0x64, 0x60);
+	outportb(0x60, 0x03);
+
+ 	outportb(0x64, 0xA8);	//enable mouse port
+
+	outportb(0x64, 0xD4);	//send command to mouse, not kbd
+	outportb(0x60, 0xF4);	//enable data reporting
+//	outportb(0x60, 0xFA);
+//	inportb(0x60);		//get ACK off 0x60 port
+//	outportb(0x60, 0xFF);	//mouse reset
+}

mouse.h

@@ -0,0 +1,10 @@
+// mouse.h
+// 10/03/03
+// Author: Josh Holtrop
+
+
+void mouse_enableData();
+
+
+
+

video.c

@@ -134,7 +134,7 @@ void video_psetp(int pixel, dword color)
 	switch(video_mode.BitsPerPixel)
 	{
 	case 16:
-		vid_ptr16[pixel] = ((color&0xFF)>>3) | ((((color>>8)&0xFF)>>2)<<6) | ((((color>>16)&0xFF)>>3)<<11);
+		vid_ptr16[pixel] = ((color&0xFF)>>3) | ((((color>>8)&0xFF)>>2)<<5) | ((((color>>16)&0xFF)>>3)<<11);
 		//vid_ptr16[pixel] = ((color&0xFF)>>3) | ((((color>>8)&0xFF)>>3)<<5) | ((((color>>16)&0xFF)>>3)<<10);
 		break;
 	case 24: