[mubios] Add Interrupt Dispatch Service

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/mubios/core/interrupt.c b/mubios/core/interrupt.c
new file mode 100644
index 0000000..3f5bbb9
--- /dev/null
+++ b/mubios/core/interrupt.c
@@ -0,0 +1,43 @@
+/*
+ RCC-Project
+
+ Copyright (C) 2026 Richard Qin
+
+ This file is part of RCC-Project.
+
+ RCC-Project is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your option) any
+ later version.
+
+ RCC-Project is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ RCC-Project; see the file COPYING.  If not see
+ <http://www.gnu.org/licenses/>.
+ */
+
+#include "bios.h"
+#include "regs.h"
+
+void
+bios_service_dispatch (u8 vector, struct bios_regs *regs)
+{
+  switch (vector)
+    {
+    case 0x10u:
+      int10_service (regs);
+      break;
+
+    case 0x13u:
+      int13_service (regs);
+      break;
+
+    default:
+      regs->ax = 0x0100u;
+      regs->flags |= 0x0001u;
+      break;
+    }
+}