change color and font size

am/arch/mips32-npc/include/npc.h

@@ -1,6 +1,8 @@
 #ifndef __NPC_H__
 #define __NPC_H__
 
+void memory_init();
+void serial_init();
 #define VMEM_ADDR ((void *)0xc0000000)
 #define SCR_WIDTH 640
 #define SCR_HEIGHT 480
@@ -14,6 +16,10 @@ static inline u32 Getcolor(_Pixel p){
 	return (R(p) << 8 | G(p) << 4 | B(p) << 2);
 }
 
+static inline _Pixel Getpixel(int color){
+	return color;
+}
+
 #define KEY_CODE_ADDR ((volatile unsigned int *)0xf0000000)
 #define KEY_CODE (*KEY_CODE_ADDR)
 

am/arch/mips32-npc/src/am.c

@@ -2,14 +2,6 @@
 #include <npc.h>
 
 // TODO: implement these functions.
-static void memory_init(){
-	//not to do
-}
-
-static void serial_init(){
-	//not to do
-}
-
 void _trm_init() {
 	serial_init();
 	memory_init();

am/arch/mips32-npc/src/ioe.c

@@ -6,7 +6,7 @@ int curr_col = 0;
 
 extern void draw_character(char ch, int x, int y, int color);
 
-u32 *vmem = VMEM_ADDR;
+u8 *vmem = VMEM_ADDR;
 void vga_init(){
 	_screen.width = SCR_WIDTH;
 	_screen.height = SCR_HEIGHT;
@@ -39,7 +39,7 @@ void _draw_f(_Pixel *p) {
 }
 
 void _draw_p(int x, int y, _Pixel p) {
-	vmem[x * SCR_WIDTH + y] = p;
+	vmem[x * SCR_WIDTH + y] = Getcolor(p);
 }
 
 void _draw_sync() {

am/arch/mips32-npc/src/trm.c

@@ -0,0 +1,11 @@
+#include <am.h>
+#include <npc.h>
+
+void memory_init(){
+	//not to do
+}
+
+void serial_init(){
+	//not to do
+}
+

am/arch/mips32-npc/src/vedio.c

@@ -5,7 +5,7 @@ extern char font8x8_basic[128][8];
 
 void draw_character(char ch, int x, int y, int color) {
 	int i, j;
-	_Pixel c = color;
+	_Pixel c = Getpixel(color);
 	char *p = font8x8_basic[(int)ch];
 	for (i = 0; i < 8; i ++) 
 		for (j = 0; j < 8; j ++) 

klib/klib.h

@@ -16,7 +16,7 @@ extern "C" {
 //   memcpy, memset, strcpy, strlen, itoa, atoi, ...
 //   kalloc, kree
 
-size_t strlen(const char *s);
+int strlen(const char *s);
 
 #ifdef __cplusplus
 }

klib/string.c

@@ -1,7 +1,7 @@
 #include <klib.h>
 
-size_t strlen(const char *s) {
-  size_t sz = 0;
+int strlen(const char *s) {
+  int sz = 0;
   for (; *s; s ++) {
     sz ++;
   }