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POST (01/10/86)
:
-~;;~~~~~~-~/~-~~;-~~~~------------------------------- ----------
CHECK TO SEE IF EXPANSION BOX PRESENT -
IF INSTALLED,
,
TEST DATA AND ADDRESS BUSES TO 1/0 BOX
;
ERROR=' 1801'
;
ADD I
TI ONAL READ
I
WR I TE STORAGE TEST
; DESCRIPTION
WR I TE
I
READ DA TAPA TTERNS TO ANY READ
I
WR I TE
STORAGE AFTER THE FIRST 64K.
STORAGE
ADDRESSAB I L I TY
I S CHECKED.
5-91
SAVE DATA BUS VALUE
SEND VALUE TO REG
FORM NEW DATA PATTERN
LOOP TILL BIT WALKS ACROSS AL
GO ON TO NEXT TEST
RETR I VE VALUE FROM REG
= TO SAVED VALUE
SET UP FOR DEC
I MAL CONVERT
OF 3 NIBBLES
(CARD WAS ENABLED EARL I ER)
CONTROL PORT ADDRESS
SET DATA PATTERN
MAKE AL 0 I FFERENT
RECOVER DATA
REPLY?
NO RESPONSE, GO TO NEXT TEST
MAKE DATA=AAAA
; ENABLE T I MER INTERRUPT
; RECOVER OAT A
;
SET COUNT FOR 8K WORDS
GO PR I NT ERROR
RECOVER TESTED MEM NUMBER
; DO 8 TIMES
; MAKE DX=214H (DATA BUS REG)
LOAD HI ADDR. REG ADDRESS
GO ACROSS 16 BITS
; WR I TE ADDRESS FOOOO+BX
; READ ADDR. HIGH
GO ERROR IF MI SCOMPARE
DX=216H (ADDR. LOW REG)
; COMPARE TO LOW ADDRESS
; OX BACK TO 2 I 5H
; LOOP TILL ' I ' WALKS ACROSS BX
; WARM START?
; CONT I NUE TEST I F NOT
; GO TO NEXT ROUTINE IF SO
;
STARTING AMT. OF MEMORY OK
; POST MESSAGE
GET MEM. SIZE WORD
1ST 64K ALREADY DONE
DIVIDE BY 16
SAVE COUNT OF 16K BLOCKS
SET PTR. TO RAM SEGMENT>64K
;
SET SEG. REG
; PO I NT TO NEXT I 6K
;
SAVE WORK REGS
; 0 I V I DE BY I 0
I MAKE INTO ASCII
;
SAVE
1-8
01-10-86
AL,OFEH
INTAOI,AL
CS: [BX] ,AL
CX,0008
AL,OI
OX
AL,DX
AL,BH
EXP ERR
OX -
AL,DX
AL,BL
EXP ERR
OX -
BX,I
EXP3
OX, 021 OH
AX,5555H
DX,AL
AL,OIH
AL,DX
AL,AH
EI9
AX
DX,AL
AL,OIH
AL,DX
AL,AH
EI9
BX, 000 IH
DX,0215H
CX,OOl6
MOV
OUT
MOV
MOV
MOV
MOV
MOV
OUT
MOV
IN
CMP
JNE
NOT
OUT
MOV
IN
CMP
JNE
MOV
MOV
DEC
MOV
NOP
IN
CMP
JNE
INC
IN
CMP
JNE
DEC
SHL
LOOP
; ----- CHECK DATA BUS
; ----- CHECK ADDRESS BUS
EXP2:
EXP3:
EXP4:
ASSUME
DS:DATA
E19:
CALL
DDS
PUSH
OS
E20:
CMP
ORE SET_FLAG, 1234H
JNE
E20A
JMP
ROM_SCAN
E20A:
MOV
AX,64
JMP
SHORT PRT_SIZ
E20B:
MOV
BX,OMEMORY SIZE
SUB
BX,64
-
MOV
CL,4
SHR
BX,CL
MOV
CX,BX
MOV
BX, 1000H
E21:
MOV
DS,BX
MOV
ES,BX
ADD
BX,0400H
PUSH
OX
PUSH
CX
PUSH
BX
PUSH
AX
MOV
CX,02000H
CALL
STGTST_CNT
JNZ
E21A
POP
AX
ADD
AX,I6
PRT_SIZ:
PUSH
AX
MOV
BX,IO
MOV
CX,3
DEC I MAL_LOOP:
XOR
DX,DX
DIV
BX
OR
DL,30H
PUSH
OX
LOOP
DEC I MAL_LOOP
MOV
CX,3
PRT_DEC_LOOP:
;----- DETERMINE IF BOX IS PRESENT
EXP
_10:
MOV
AH,AL
OUT
DX,AL
MOV
AL,O IH
IN
AL,DX
CMP
AL, AH
JNE
SHORT EXP ERR
SHL
AL,I
-
LOOP
EXP4
JMP
SHORT E 19
EXP_ERR:
MOV
S I ,OFFSET F3C
;
------- :~::
- -
-- :::~:~ --
----
--
- ---
--- ------
-------
---- ----
I BM Persona I Computer MACRO Assemb I er
Vers
i
on 2.00
POST -----
01/10/86
SYSTEM POST AND BIOS PROCEDURES
194
0448 BO FE
195
044A E6 21
196
191
198
199
800
80
I
802
803
804
805
044C
806
044C BA 0210
801
044F B8 5555
808
0452 EE
809
0453 BO 01
810
0455 EC
81 1
0456 3A C4
812
0458 15 43
813
045A F1 DO
814
045C EE
815
0450 BO 0 I
816
045F EC
811
0460 3A C4
818
0462 15 39
819
820
821
822
0464
823
0464 BB 000 I
824
0461 BA 0215
825
046A B9 00 I 0
826
0460
821
0460 2E: 88 01
828
0410 90
829
0411
EC
830
0412 3A C1
831
0414 15 21
832
0416 42
833
0411 EC
834
0418 3A C3
835
041A 15 lB
836
041C 4A
831
0410 01
E3
838
041F E2 EC
839
840
841
842
0481
B9 0008
843
0484 BO 01
844
0486 4A
845
0481
846
0481 8A EO
841
0489 EE
848
048A BO 01
849
048C EC
850
0480 3A C4
851
048F 15 06
852
0491
DO EO
853
0493 E2 F2
854
0495 EB 06
855
0491
856
0491 BE 18DC R
851
049A E8
1916 R
858
859
860
861
862
863
864
865
866
0490
861
0490 E8
I A 12 R
868
04AO
IE
869
04A I
810
04AI
81
3E 0012 R 1234
811
04A1 15 03
812
04A9 E9 054A R
813
04AC
814
04AC B8 0040
815
04AF EB 28
816
04Bl
811
04Bl
8B IE 0013 R
818
04B5 83 EB 40
819
04B8 Bl
04
880
04BA 03 EB
88 I
04BC 8B CB
882
04BE BB
1000
883
04C 1
884
04C 1 8E DB
885
04C3 8E C3
886
04C5 81
C3 0400
881
04C9 52
888
04CA 51
889
04CB 53
890
04CC 50
891
04CD B9 2000
892
0400 E8 OCCF R
893
0403 15 4C
894
0405 58
895
0406 05 0010
896
0409
891
0409 50
898
04DA BB OOOA
899
0400 B9 0003
900
04EO
901
04EO 33 02
902
04E2 F1 F3
903
04E4 80 CA 30
904
04E1 52
905
04E8 E2 F6
906
04EA B9 0003
901
04ED
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