On 11/21/2024 8:52 AM, David Schwab via Freedos-devel wrote:
I'm working my way through Norton's Advanced Assembly Language, and in
one section he shows how to the find interrupt vector for the BIOS
keyboard service (int 9). I've found the vector and unassembled it
(being sure to use little end
Hi! You do not always start interrupts with STI. If you use STI
inside a hardware interrupt like int 9. You could get overwhelmed
by having to process multiple requests at the same time otherwise.
However, hardware interrupts usually tell the interrupt controller
when they are done, using some p
On 22/11/2024 05:52, David Schwab via Freedos-devel wrote:
I'm working my way through Norton's Advanced Assembly Language, and in
one section he shows how to the find interrupt vector for the BIOS
keyboard service (int 9). I've found the vector and unassembled it
(being sure to use little endia