More advanced Fault handling (recovers to text mode), Keyboard handler converted to C and improved (shifting, simple get_key added)

2023-02-01 20:42:05 -06:00
parent 0faa2eb553
commit 679eb8cf57
9 changed files with 293 additions and 175 deletions
--- a/usermode.nasm
+++ b/usermode.nasm
@@ -16,5 +16,7 @@ cmp eax, 200
 jl .loop
 mov eax, 0xA0000
 int 0x30 ; Exit
+mov edx, 0x105000 ; somewhere in kernel mem
+mov edx, [edx] ; should page fault
 xor ebx, ebx
 div bl ; Unhandled DIV0 exception