Re: [Freedos-devel] Location of Interrupts

2024-12-02 Thread Ralf Quint via Freedos-devel
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

Re: [Freedos-devel] Location of Interrupts

2024-11-21 Thread Eric Auer via Freedos-devel
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

Re: [Freedos-devel] Location of Interrupts

2024-11-21 Thread Ben Russell via Freedos-devel
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