new memory and project layout

2026-10-01 12:17:47 +02:00
parent 9b1fcac8ee
commit d19ffc70a1
10 changed files with 397 additions and 272 deletions
@@ -0,0 +1,22 @@
+#ifndef BIOS_H
+#define BIOS_H
+
+#include <stdint.h>
+
+/* Resident BIOS API used by the monitor. */
+void bios_init(void);
+void bios_putc(char c);
+void bios_puts(const char *s);
+char bios_getc(void);
+uint8_t bios_try_getc(void);
+void bios_flush(void);
+
+/* Low-level routines implemented by the resident assembly BIOS. */
+void io_out(uint8_t port, uint8_t value);
+uint8_t io_in(uint8_t port);
+void delay_ms(uint16_t milliseconds);
+void enable_interrupts(void);
+void disable_interrupts(void);
+void jump_to(uint16_t address);
+
+#endif