The program emulates the HD61700 microprocessor and uses the ROM dump from the original calculator, therefore it should function almost exactly like the real one.
It works on PC-compatible machines with Microsoft Windows operating system.
pb2000es.zip - Delphi sources, file size: 101kB
pb2000em.zip - compiled executable, file size: 260kB
Usage: extract the files into an empty directory, then run the program pb2000c.exe
ai1000em.zip - Japanese version AI-1000 with Lisp, file size: 180kB
Usage: Replace the files face.bmp and rom1.bin in the directory where the program was installed.
om51p.zip - Prolog language card OM-51B, file size 34kB
om53b.zip - BASIC language card OM-53B, file size 146kB
pb_casl.zip - BASIC+CASL language card, file size 42kB (it's not the original OM-54A card, but the OM-53B one with added CASL assembler and COMET simulator ported from the PB-1000C)
Usage: Place the files rom2.bin and overlay.bmp in the directory where the program was installed. Delete the file rom2.bin and restore the previous file overlay.bmp in order to return to the C interpreter.
rom0.bin - processor's internal 6kB ROM rom1.bin - external 64kB ROM charset.bin - LCD controller's internal character ROM of size 1.5kB ram0.bin - main 64kB RAM in page 1 ram1.bin - extra 32kB RAM in page 2 register.bin - processor's internal register file rom2.bin - optional main 64kB ROM in the language card rom3.bin - optional additional 64kB ROM in the language card
register.binare saved when the program is terminated. If they weren't found, they will be created. In such case the memory has to be initialised with the New All button (F8).
rom3.binis present, the emulated machine will assume that a ROM card is inserted (presence/absence of those files influences the P1 state).
Cursor keys: corresponding arrow keys Page Up: red S Page Down: CAPS Esc: BRK Insert: INS Delete: DEL Backspace: BS Enter: EXE F2: keyboard overlay F3: suspends the code execution and opens the debugger window F8: New All F9: Reset
Some parameters of the emulator can be customised by editing the pb2000c.ini file with any text editor.
Description of the contents of this file:
OscFreq = 910
To uninstall the emulator, simply delete the directory where it was installed. The program doesn't modify anything outside its installation directory.
pb2000et.zip - file size: 66kB, sources and executables, DOS and Windows (in a DOS window)
Both programs modify the contents of the RAM image file
ram0.bin located in the same directory.
This utility transfers files between the PC and the ramdisk area of the RAM image used by the emulator. It accepts the same commands as the program RAMTRANS for the PB-1000, except that wider range of file types is recognised.
The program is an adaptation of the md100 utility written by Marcus von Cube, which performs similar operations, but on an MD-100 floppy disk or an image thereof.
This utility is a C cross compiler equivalent to the PB-2000C built-in one. It doesn't have any advantages against the original LOAD command, exactly the same P-code and data structures are produced. It was written in C language with the intention to match the original program structure and algorithms as closely as possible in order to better understand them.
The compiled code is executed in the usual way, with the RUN command.