Made the framebuffer support both 24 and 32 bpp

src/framebuffer.c

@@ -20,5 +20,12 @@ void initfb(unsigned long addr, unsigned short w, unsigned short h, unsigned cha
 
 void putpixel(unsigned short x, unsigned short y, unsigned char r, unsigned char g, unsigned char b, unsigned char a) {
 	if (x>fb_width || y> fb_height) return;
-	*((unsigned long *)(fb_address + y*fb_pitch + x*fb_bytespp)) = r<<fb_rpos | g<<fb_gpos | b<<fb_bpos;
+
+	if (fb_bpp == 32) {
+		*((unsigned long *)(fb_address + y*fb_pitch + x*fb_bytespp)) = r<<fb_rpos | g<<fb_gpos | b<<fb_bpos;
+	} else {
+		*((unsigned char *)(fb_address + y*fb_pitch + x*fb_bytespp + fb_rpos/8)) = r;
+		*((unsigned char *)(fb_address + y*fb_pitch + x*fb_bytespp + fb_gpos/8)) = g;
+		*((unsigned char *)(fb_address + y*fb_pitch + x*fb_bytespp + fb_bpos/8)) = b;
+	}
 }

src/kernel.c

@@ -72,12 +72,24 @@ void kmain (unsigned int mbootmagick, multiboot_info_t* mbootinfo) {
 	int x, y, i;
 	unsigned char c = 0;
 	for(;;) {
-		for(y=0; y < mbootinfo->framebuffer_height; y++) {
+		//serial_write_string("\n");
-			for(x=0; x < mbootinfo->framebuffer_width; x++) {
+		for (;c<255;c+=5) {
-				putpixel(x, y, 0, c, c, 0xff);
+			//serial_write_string("/");
+			for(y=0; y < mbootinfo->framebuffer_height; y++) {
+				for(x=0; x < mbootinfo->framebuffer_width; x++) {
+					putpixel(x, y, 0, c, c, 0xff);
+				}
+			}
+		}
+		//serial_write_string("\n");
+		for (;c>0;c-=5) {
+			//serial_write_string("\\");
+			for(y=mbootinfo->framebuffer_height; y>=0; y--) {
+				for(x=mbootinfo->framebuffer_width; x>=0; x--) {
+					putpixel(x, y, 0, c, c, 0xff);
+				}
 			}
 		}
-		c+=4;
 	}
 
 	serial_write_string("\nExecution finished, halting...\n");

src/start32.s

@@ -21,8 +21,8 @@
 	.long 0		# bss end address
 	.long 0		# entry address
 	.long 0		# video mode_type (0:fb, 1:txt) (set flags[2]!)
-	.long 1024	# video width
+	.long 640	# video width
-	.long 768	# video height
+	.long 480	# video height
 	.long 32	# video depth
 
 .bss
@@ -46,4 +46,3 @@ _start:
 	cli
 1:	hlt
 	jmp 1b
-#include "lol.s"