DOS ain't dead

KBFR AT detection code is wrong (Developers)

posted by yuhongbao, 19.10.2011, 06:06

I read the KBFR source code and:
MOV AX,0F000h
MOV ES,AX
MOV AL,ES:[0FFFEh]
CMP AL,0FCh ; AT BIOS ?
JZ @F
^^
Wrong! It should be JNA, because you should be testing if the model code is equal to *or below* FCh.

Complete thread:

• KBFR AT detection code is wrong - yuhongbao, 19.10.2011, 06:06 (Developers)
  • KBFR AT detection code is wrong - tom, 19.10.2011, 12:07