[FRAM71] Pre-Production Batch

[Dave Frederickson]

Here's a Pratical Example of Utilizing FRAM71.

• Port 5: 192k RAM
• Port 5.01: 32k IRAM for LEX files
• Port 5.02: 16k SC FORTH ROM
• Port 5.03: 32k JPC ROM
• Port 5.04: 32k Math ROM (F_0xD0000) / Curve Fitting ROM (F_0xE0000)
• Port 5.05: 16k RAM
• SYSROM: 64k Service ROM
  

The only physical modules plugged into the 71B are the FRAM71 and HP-IL. Port 5.04 demonstrates the new bank-switching feature. 32k of address space can be switched between the Math ROM and the Curve Fitting ROM as shown below simply by changing one nibble in the configuration string.

This utilizes 448k of FRAM. In this configuration, 368k is the maximum amount of usable memory that I can get at once.

Code:

>POKE"2C000","931415161718999AEBDCDDAF"
>VER$
HP71:2CDCC RCPY:E HPext:B FTH:1A EDT:A KBD:B JPC:F01 HPIL:1B MATH:1A
>
>POKE"2C000","931415161718999AEBDCDEAF"
>
>VER$
HP71:2CDCC RCPY:E HPext:B FTH:1A EDT:A KBD:B JPC:F01 HPIL:1B FIT:A
>SHOWPORT
0.05  16384  2
5.01  32768  1
5.02  16384  2
5.03  32768  2
5.04  32768  2
0      4096  0
0.01   4096  0
0.02   4096  0
0.03   4096  0
5    196608  0
5.05  16384  0
>MEM
 229726 
>PCAT ALL
workfile   BASIC     0 01/01/00 00:00
HPILROM    LEX   16361 08/07/84 12:00 0.05
PEEKUTIL   LEX     351 01/01/00 00:03 5.01
DESAL      LEX     718 01/01/00 00:10 5.01
ROMCOPY    LEX    1727 01/01/00 00:11 5.01
EXTFILES   LEX     502 01/01/00 00:11 5.01
UNPRIV     LEX     105 01/01/00 00:12 5.01
ROMDUMP    BASIC   117 01/04/00 19:25 5.01
FILE2SYS   BASIC   156 01/01/00 13:13 5.01
COPYSYS    BASIC   139 01/01/00 13:15 5.01
CNVDMP     BASIC   168 01/01/00 01:02 5.01
F2R        BASIC   160 01/01/00 01:07 5.01
MCOPY94    LEX     932 01/01/00 01:00 5.01
START      BASIC    34 01/01/00 00:07 5.01
FORTHROM P LEX    3445 02/23/84 12:00 5.02
EDTEXT     BASIC  6790 02/23/84 12:00 5.02
EDKEYS     KEY      54 02/23/84 12:00 5.02
EDLEX      LEX    2557 02/23/84 12:00 5.02
DBGLEX     LEX     141 02/23/84 12:00 5.02
KEYBOARD   LEX    1277 02/23/84 12:00 5.02
JPCF01     LEX   25933 09/02/07 20:20 5.03
ML         BASIC    55 09/02/07 20:20 5.03
CurveFit   LEX      41 01/12/84 12:00 5.04
CFIT       BASIC 14219 01/12/84 12:00 5.04
OPTIMIZE   BASIC  5068 01/12/84 12:00 5.04
MODELS     BASIC  5789 01/12/84 12:00 5.04
PCENTCHI   BASIC   727 01/12/84 12:00 5.04
FITLEX     LEX     415 01/12/84 12:00 5.04
FITLIB     BIN    5545 01/12/84 12:00 5.04
CFKEYZ     KEY      83 01/12/84 12:00 5.04