CMT 64Kb RAM module for HP-71b question

[Sylvain Cote]

(10-10-2021 08:33 PM)mfleming Wrote:  Ah, you're right. I was a power of two off on module address space occupancy. I don't see ULIB52 in the version list or MEMBUF listing. Could you poke a "3" to enable it? I also haven't seen the HP-IL ROM at 40000 before either. Looks like I'll have to hook up my PIL-Box and load MEMBUF myself!

MULTIMOD

Code:

POKE "2C000","3"

VER$

Code:

HP71:1BBBB RCPY:E FTH:1B EDT:A KBD:C STRU:A MATH:2B JPC:F05 HPIL:1B ULIB:c

RUN MEMBUF (MULTIMOD only)

Code:

Port Dev Seq  Size Addr  Type   Description
  0   1   0     4  30000  0     Internal     4K RAM
  0   2   0     4  32000  0     Internal     4K RAM
  0   3   0     4  34000  0     Internal     4K RAM
  0   0   0     4  58000  1     Internal     4K IRAM

Code:

  0   5   0    16  40000  2     HP-IL       16K ROM
  5   0   0    16  48000  2     FORTH ROM   16K ROM
  5   1   0    32  D0000  2     MATH        32K ROM
  5   2   0    32  C0000  2     JPC         32K ROM
  5   3   0    16  50000  2     ULIB        16K ROM

RUN MEMBUF (MULTIMOD only + 2x 32K RAM)

Code:

Port Dev Seq  Size Addr  Type   Description
  0   1   0     4  50000  0     Internal     4K RAM
  0   2   0     4  52000  0     Internal     4K RAM
  0   3   0     4  54000  0     Internal     4K RAM
  1   0   0    32  30000  0     External    32K RAM
  2   0   0    32  40000  0     External    32K RAM
  0   0   0     4  78000  1     Internal     4K IRAM

Code:

  0   5   0    16  60000  2     HP-IL       16K ROM
  5   0   0    16  68000  2     FORTH ROM   16K ROM
  5   1   0    32  D0000  2     MATH        32K ROM
  5   2   0    32  C0000  2     JPC         32K ROM
  5   3   0    16  70000  2     ULIB        16K ROM

RUN MEMBUF (MULTIMOD only + 3x 32K RAM)

Code:

Port Dev Seq  Size Addr  Type   Description
  0   1   0     4  60000  0     Internal     4K RAM
  0   2   0     4  62000  0     Internal     4K RAM
  0   3   0     4  64000  0     Internal     4K RAM
  1   0   0    32  30000  0     External    32K RAM
  2   0   0    32  40000  0     External    32K RAM
  3   0   0    32  50000  0     External    32K RAM
  0   0   0     4  88000  1     Internal     4K IRAM

Code:

  0   5   0    16  70000  2     HP-IL       16K ROM
  5   0   0    16  78000  2     FORTH ROM   16K ROM
  5   1   0    32  D0000  2     MATH        32K ROM
  5   2   0    32  C0000  2     JPC         32K ROM
  5   3   0    16  80000  2     ULIB        16K ROM

(10-10-2021 08:33 PM)mfleming Wrote:  The OP's description of a crash after a few minutes of operation implies to me that there is an address range overlap between two devices, both of which want to drive the data bus on a read. I take it you're not seeing that...

I am not experiencing any crash on my side with or without ULIB activated