IBM XT 5160 User Manual

66
PAGE
67
C INCLUDE POSTEQU. INC
68
C .----------------------- -- ---------------
69
C EQUATES USED BY POST AND BIOS
70
C
.----------------------------------------
71
C
72
= 0000
C SYSTEM EQU 0 o PC-XT. 1
PC-AT
73
= OOFB
C MODEL
BYTE
EQU
OFBH SYSTEM MODEL
BYTE
74
= 0000
C SUB MODEL BYTE
EQU OOOH SYSTEM SUB-MODEL TYPE
75
= 0001
C
BIOS LEVEL
EQU 001H
BIOS REVISION LEVEL
76
C ENDIF
77
C
78
C ; --------- KEYBOARD
I
NTERFACE AND 0 I AGNOST I C CONTROL REGISTERS -----------------
79
= 0060
C
PORT A
EQU
060H
; KEYBOARD SCAN CODE / CONTROL PORT
80 = 0061
C
PORT-B
EQU 061H ; PORT BREAD / WR I TE 0 I AGNOSTI C REG I STER
81
= 0062
C
PORT-C
EQU
062H ; 8255 PORT C ADDR
82 = 0063
C CMD_PORT
EQU
063H
83
C
84
C
85
0060
C KB DATA
EQU 60H KEYBOARD SCAN CODE PORT
86 0061
C
KB-CTL
EQU
61H CONTROL BI TS FOR KEYBOARD SENSE DATA
87
0054
C
ID-2A
EQU 054H AL TERNATE 2ND I 0 CHAR FOR KBX
88
OOEO
C
MC-EO
EQU
224 GENERAL MARKER CODE
89 OOEI
C
MC::::EI
EQU 225 PAUSE KEY MARKER CODE
90 C
91
C
92 00F3
C RAM PAR ON EQU 1111001lB AND MASK FOR PAR I TY CHECK I NG ENABLE ON
93
OOOC
C
RAM-PAR-OFF
EQU
OOOOIIOOB
OR MASK FOR PAR I TY CHECK I NG ENABLE OFF
94 OOCO
C PARITY_ERR
EQU
1
1000000B R/W MEMORY - I/O CHANNEL PARITY ERROR
95
0001
C GATE2
EQU
OOOOOOOIB
TIMER 2 INPUT GATE CLOCK BIT
96 0002
C
SPK2
EQU 000000 I OB SPEAKER OUTPUT OATA ENABLE BI T
97 0010
C REFRESH_BI T
EQU
OOOIOOOOB REFRESH TEST BI T
98
0020
C OUT2
EQU
00 I OOOOOB SPEAKER T I MER OUT2 INPUT BIT
99 0040
C 10 CHECK
EQU
OIOOOOOOB
I/O
(MEMORY)
CHECK OCCURRED
BI T MASK
100 0080
C PARI TY _CHECK
EQU
10000000B MEMORY PAR I TY CHECK OCCURRED BI T MASK
101
C ENDIF
IBM Persona I Computer MACRO Assemb I er Vers i on 2.00
HEADER --- 01/08/86 POWER ON SELF TEST (POST)
POSTEQU. INC - COMMON EQUATES
1-2
01-10-86
HEADER (01/10/86)
5-15

IBM XT 5160 Specifications

General

Brand	IBM
Model	XT 5160
Category	Desktop
Language	English