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LOC OBJECT
LINE
SOURCE
(BIOS FOR THE IBM PERSONAL COMPUTER XTl
11/08/82
POWER ON RESET VECTOR
PR I NT A SEGMENT VALUE TO LOOK LI KE A 20 BIT ADORE SS
OX MUST CONTA I N SEGMENT VALUE TO BE PR I NTED
.--------------------------------
VECTOR
SEGMENT AT OFFFFH
.---------------------------------------------------------------
PRT SEG PROC
NEAR
-
MOV
AL,DH
;GET MSB
CALL
XPC BYTE
MOV
AL,DL
;LSB
CALL
XPC BYTE
MOV
AL,'O'
; PRINT A '0
'
CALL
PRT HEX
MOV
AL,' ,
;SPACE
CALL
PRT_HEX
RET
PRT_SEG ENDP
CODE
ENDS
RELEASE MARKER
, 11/08/82'
DB
; ----- POWER ON RESET
JMP
RESET
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
0005 31312F30382F38
32
0000 EA5BEOOOFO
FFDA
FFDA 8AC6
FFDC E8ACF9
FFDF 8AC2
FFE 1 E8A7F9
FFE4 B030
FFE6 E8B3F9
FFE9 B020
FFEB E8AEF9
FFEE C3
5963
VECTOR
ENDS
5964
END
5-176
PC-XT System BIOS (11/08/82)
- Quick Links:
- Section 1. System Board
- 64/256K System Board
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