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Eprom rom dump issue
06-12-2019, 08:30 PM
Post: #1
Eprom rom dump issue
Hi all

I have received a hp-71b with three CMT 64k eproms. I thought I would try and dump the roms but I am having difficulty.

I am using the procedures outlined in the forums and in the emu71 manual with a special version of pokelex. I habe no problem sensing thw data to a terminal in pyilper or ilper. I then copy and paste the data into a text file but after I convert the txt file to a rom file using dmp2rom and then use titanchk I always get a checksum error. The romfile size on disk seems ok at 65536. The rom doesnt work in emu71. Aome details below.

10 DIM A$[64]
20 A=IP(HTD(ADDR$("AMPLEX0"))/256)*256
30 FOR I=0 TO 64*32-1
40 A$=PEEK$(DTH$(A+I*64),64)
50 PRINT A$
60 NEXT I

TITAN ROM Test V1.10
Unpacking data...
ROM Chip 1 = F2 -> Fail
ROM Chip 2 = C7 -> Fail
ROM Chip 3 = DB -> Fail
ROM Chip 4 = 6A -> Fail
Checksum Error!

Port 1 Eprom (AMP Rom03) details are:

>CAT :PORT(1)
NAME S TYPE LEN DATE TIME PORT
AMPLEX0 E LEX 577 01/01/00 00:00 1
CNTLEX71 E LEX 77 01/01/00 00:00 1
DISPERR E BASIC 115 01/01/00 00:00 1
GETTODAY E BASIC 106 01/01/00 00:00 1
KCDELX71 E LEX 83 01/01/00 00:00 1
MGETMENU E BASIC 342 01/01/00 00:01 1
CUSTUTIL E LEX 1007 01/01/00 00:01 1
FLDLEX71 E LEX 771 01/01/00 00:01 1
FLXCHK E BASIC 5446 01/01/00 00:01 1
FLXCLC E BASIC 468 01/01/00 00:01 1
FLXCLC1 E BIN 6671 01/01/00 00:01 1
FLXD S DATA 416 01/01/00 00:01 1
FLXP S DATA 667 01/01/00 00:01 1
IAA E BASIC 39 01/01/00 00:01 1
CLCINST E BASIC 212 01/01/00 00:01 1
MCHKRANG E BASIC 84 01/01/00 00:01 1
MGETCHAR E BASIC 111 01/01/00 00:01 1
MGETDATE E BASIC 442 01/01/00 00:01 1
MGETEXIT E BASIC 90 01/01/00 00:01 1
MGETHPD E BASIC 242 01/01/00 00:01 1
MGETNUM E BASIC 387 01/01/00 00:01 1
MGETPRMP E LEX 1171 01/01/00 00:01 1
MMAIN E BASIC 4357 01/01/00 00:02 1
NTSLEX71 E LEX 225 01/01/00 00:02 1
NULLEX71 E LEX 51 01/01/00 00:02 1
MCHKCPI E BASIC 47 01/01/00 00:02 1
DA E BASIC 53 01/01/00 00:02 1
IB E BASIC 48 01/01/00 00:02 1
SPCHK E BASIC 1610 01/01/00 00:02 1
SPCLC E BASIC 3525 01/01/00 00:02 1
SPD S DATA 1232 01/01/00 00:02 1
PRTLOGO E LEX 1703 01/01/00 00:02 1
PRTGRPH E BIN 326 01/01/00 00:02 1
SPP S DATA 412 01/01/00 00:02 1
SPRST E BASIC 110 01/01/00 00:02 1
TAXORD E BASIC 95 01/01/00 00:03 1
TAXSUPCM E BASIC 720 01/01/00 00:03 1
TAXSUPN E BASIC 391 01/01/00 00:03 1
E3E7R S DATA 372 01/01/00 00:03 1
AGT E BASIC 226 01/01/00 00:03 1
AMP E BASIC 394 01/01/00 00:03 1
SPPRT E BASIC 6090 01/01/00 00:03 1
FLXPRT E BASIC 5274 01/01/00 00:03 1
GETNOTES E BASIC 4355 01/01/00 00:03 1
TAXPRT E BASIC 2246 01/01/00 00:03 1
TAXR S DATA 464 01/01/00 00:03 1
TIMEOUT E BASIC 171 01/01/00 00:04 1
AMPNAMES S DATA 755 01/01/00 00:04 1
GRPH E BASIC 418 01/01/00 00:04 1
JSTLEX71 E LEX 390 01/01/00 00:04 1
TAX E BASIC 41 01/01/00 00:04 1
TAXCHK E BASIC 378 01/01/00 00:04 1
TAXCLC E BASIC 606 01/01/00 00:04 1
TAXD S DATA 112 01/01/00 00:04 1
TAXP S DATA 525 01/01/00 00:04 1
SETUP E BASIC 489 01/01/00 00:04 1
FLXNOTES E BASIC 2342 01/01/00 00:04 1
AMPLEX3 E LEX 114 01/01/00 00:04 1
FLXGPH E BASIC 89 01/01/00 00:04 1
SPGPH E BASIC 170 01/01/00 00:05 1
PRTHEAD E BASIC 171 01/01/00 00:05 1
VERSION S DATA 24 01/01/00 00:05 1
CLCMTH E BASIC 125 01/01/00 00:05 1
FLXRST E BASIC 113 01/01/00 00:05 1
PRTFOOT E BASIC 317 01/01/00 00:05 1
CLCYLD E BASIC 342 01/01/00 00:05 1
SETPRT E BASIC 595 01/01/00 00:05 1
MCALC E BIN 970 01/01/00 00:05 1
TERM E BASIC 117 01/01/00 00:05 1
POINTCLC E BASIC 229 01/01/00 00:05 1
POINTS E BASIC 51 01/01/00 00:05 1
POINTP S DATA 123 01/01/00 00:05 1
POINTD S DATA 128 01/01/00 00:05 1

And showport indicates

>SHOWPORT
0.05 16384 2
1 65536 2
2 65536 2
3 65536 2
0 4096 0
0.01 4096 0
0.02 4096 0
0.03 4096 0

I was hoping this is something I could do so any help would be appreciated.

Regards,

Richard
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Messages In This Thread
Eprom rom dump issue - coitboy2000 - 06-12-2019 08:30 PM
RE: Eprom rom dump issue - coitboy2000 - 06-12-2019, 08:53 PM
RE: Eprom rom dump issue - rprosperi - 06-12-2019, 09:51 PM
RE: Eprom rom dump issue - coitboy2000 - 06-12-2019, 10:08 PM
RE: Eprom rom dump issue - rprosperi - 06-12-2019, 11:43 PM
RE: Eprom rom dump issue - rprosperi - 06-13-2019, 12:54 AM
RE: Eprom rom dump issue - coitboy2000 - 06-13-2019, 12:08 PM
RE: Eprom rom dump issue - Sylvain Cote - 06-13-2019, 09:00 PM
RE: Eprom rom dump issue - coitboy2000 - 06-13-2019, 09:21 PM
RE: Eprom rom dump issue - coitboy2000 - 06-13-2019, 10:37 PM



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