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-rw-r--r--src/kernel/io.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/kernel/io.c b/src/kernel/io.c
new file mode 100644
index 0000000..10fcac1
--- /dev/null
+++ b/src/kernel/io.c
@@ -0,0 +1,15 @@
+#include "api/io.h"
+
+/*
+ * Minimal API for kernel I/O basics
+ */
+
+volatile uint16_t* VGA = (volatile uint16_t*)0xB8000;
+uint16_t cursor = 0;
+
+void RealPrint(const char* str) {
+ while(*str) {
+ VGA[cursor++] = (uint8_t)(*str) | 0x0700; // white on black
+ str++;
+ }
+}