From a3e9b20814de2b9db7e84b7e3bd98679f9bc504f Mon Sep 17 00:00:00 2001
From: Recolic Keghart <root@recolic.net>
Date: Tue, 9 Jun 2020 17:11:37 +0800
Subject: [PATCH] naive test kernel
---
kernel/kernel.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/kernel/kernel.c b/kernel/kernel.c
index e0b0410..fc5f776 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -1,6 +1,20 @@
+
+char *vga_begin = (char *)0xb8000;
+void push_char(char c, char color) {
+ static int pos = 0;
+ vga_begin[pos++] = c;
+ vga_begin[pos++] = color;
+}
+
void main() {
- char *vga_begin = (char *)0xb8000;
- *vga_begin = 'X';
+ int pos = 0;
+ for(int cter = 0; cter < 256; ++cter) {
+ push_char(cter % 10 + '0', cter);
+ for(int i = 1; i < 10; ++i) {
+ push_char(i + '0', cter);
+ }
+ }
+
}
--
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