updates to dsa libs

2025-06-26 00:51:20 +01:00
parent 620584488b
commit e9f04824ea
4 changed files with 152 additions and 26 deletions
@@ -0,0 +1,28 @@
+dw idt: 0xFFFF0000
+dw stack: 0x10000
+init:
+	// setup interrupt handlers
+	ldw idt, idr
+	lwi handle_hard_fault, rg0
+	stw rg0, idr, 4
+	// set up a stack.
+	ldw stack, bpr
+	mov bpr, spr
+
+start:
+    lwi 10, rg0
+    push rg0
+    call maths::fib_n
+    pop zero
+    hlt
+
+// fault handler in case we fail DSA.
+dw hard_fault_err: "FATAL: Illegal Instruction or Memory Access!"
+handle_hard_fault:
+	call print::clear
+	call print::reset
+	lwi hard_fault_err, rg0
+	push rg0
+	call print::print
+	pop zero
+	hlt