ascii art

Author: jerwansyah

.gitignore

@@ -1,4 +1,4 @@
 out/
-*/**/bochsout.txt
-*/**/system.img
-*/**/bootloader
+**/*/bochsout.txt
+**/*/system.img
+**/*/bootloader

bochsout.txt

@@ -1,19 +1,25 @@
 void handleInterrupt21 (int AX, int BX, int CX, int DX);
-void printString(char *string);
-void readString(char *string);
-void clear(char *buffer, int length); // Fungsi untuk mengisi buffer dengan 0
+void printString(char * string);
+void readString(char * string);
+void clear(char *buffer, int length);
+void printLogo();
+void logo(char * string, int y);
+
+#define VIDMEM 0xB000
+#define OFFSET 0x8000
 
 int main() {
   char tes[16];
   interrupt(0x10, 0x0003, 0, 0);
-  makeInterrupt21();
-  readString(tes);
+  printLogo();
+  // makeInterrupt21();
+  // readString(tes);
   // tes[0]='A';
   // tes[1]='B';
   // tes[2]='C';
   // tes[3]='\0';
-  printString(tes);
-  clear(tes,16);
+  // printString(tes);
+  // clear(tes,16);
   while (1);
 }
 
@@ -52,9 +58,41 @@ void readString(char *string) {
   }
 }
 
-void clear(char *buffer, int length){
+void clear(char *buffer, int length) {
   int i;
-  for(i=0;i<length;i++){
-    buffer[i]=0;
+  for (i = 0; i < length; i++) {
+    buffer[i] = 0;
+  }
+}
+
+void printLogo() {
+  logo("      `...........`   `...`      ...`   `.....``  `..`     `..`",0);
+  logo("      `...........`   `...`      ...`   `.....``  `..`     `..`",1);
+  logo("      ..............` `....     `.... `.........` ....    `....",2);
+  logo("      .....`````..... `....     `.... ....`  ```  ....    `....",3);
+  logo("      ..--`     `.... `....     ..... .....``     ....``` `....",4);
+  logo("      //ooo+:-...-:////. -:-..     :o/:. `../+oo/.   ..-/+oo+:-",5);
+  logo("      +ooo+//:-:::.`  /oo+:     /ooo/   `-/oooo+``+ooooooooo+//",6);
+  logo("      +ooo:  ``````.  -ooo+`   `/ooo:      .+ooo:`oooo.```-ooo+",7);
+  logo("      +ooo:  -------.  /ooo+:-:+ooo/``/+/:-:+ooo.`ooo+`   -ooo+",8);
+  logo("      /ooo-  +++++:.-. `-+ooooooo+-` `+ooooooo+- `ooo+`   .ooo/",9);
+  logo("      `-:.  .++++++:--.` ``.-:-.`` `` ``.-::-.` ` `--` `.  .--`",10);
+}
+                                                                  
+void logo(char * string, int y) {
+  int j = 0;
+  while (string[j] != '\0') {
+    putInMemory(VIDMEM, OFFSET + (80 * y + j) * 2, string[j]);
+    j++;
+    switch (string[j]) {
+    case 'o':
+      putInMemory(VIDMEM, OFFSET + (80 * y + j) * 2 + 1, 0xE);
+      break;
+    case '.':
+      putInMemory(VIDMEM, OFFSET + (80 * y + j) * 2 + 1, 0x9);
+      break;
+    default:
+      break;
+    }
   }
 }