Nox-Rhea WiKi - back2root:ibm-pc-ms-dos:interrupts:int_15

int_15_4f

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Apr 2024 06:23:02 +0000

INT 0x15 - 0x4f - Keyboard Intercept (BIOS date specific) Request/Call: reg value descr AH 0x4f AL val scan code CF 1 set to 1 (via STC instruction) Return: reg descr AH 80h, CF Set (PC, PCjr)

int_15_c0

anonymous@undisclosed.example.com (Anonymous) — Mon, 12 Jan 2026 05:21:43 +0000

INT 0x15 - 0xc0 - Return System Configuration Parameters (PS/2 only) Request/Call: reg value descr AH 0xc0 Return: * CF = 1 if error * CF = 0 if successful : reg descr AH set, 80h for PC & PCjr, 86h for XT (BIOS after 11/8/82) and AT (BIOS after 1/10/84)

start

anonymous@undisclosed.example.com (Anonymous) — Tue, 13 Aug 2024 06:13:38 +0000

Int 15h - System BIOS Services - WIP * INT 0x15 - 0x4f - Keyboard Intercept (BIOS date specific) * INT 0x15 - 0xc0 - Return System Configuration Parameters (PS/2 only) Back