worked on print.dsa and maths/core.dsa

2025-06-25 00:40:31 +01:00
parent 82b99c127c
commit c171b0db89
9 changed files with 172 additions and 320 deletions
@@ -0,0 +1,34 @@
+include print "../io/print.dsa"
+
+dw idt: 0xFFFF0000
+
+setup_idt:
+    push bpr
+    mov spr, bpr
+
+    // load the IDT into the IDR
+	ldw idt, idr
+
+	mov bpr, spr
+	pop bpr
+	irt
+
+setup_hard_fault_handler:
+    push bpr
+    mov spr, bpr
+
+    lwi handle_hard_fault, rg0
+    stw rg0, idr, 4
+
+    mov bpr, spr
+    pop bpr
+    irt
+
+dw hard_fault_err: "FATAL: Illegal Instruction or Memory Access!"
+handle_hard_fault:
+	call print::reset
+	lwi hard_fault_err, rg0
+	push rg0
+	call print::print
+	pop zero
+	hlt