Alex Wulms wrote:

> ] 1x Unidentified MSX cartridge...1 Eprom and 1 82xx IC, no I/O... ?
> ] On the EPROM is a sticker saying MSX-TRA
> ] 1 smashed (I guess... looks like they played tennis with it) 8235,
> missing
> Hi.
> 
> MSX-TRA is a disassembler/debugger, with it's own working memory. You can 
> call it from basic with CALL MSXTRA or during boot time by holding CTRL + 
> STOP pressed.
        Cool. I didn't have time to test it yet, now I know how to get
started

> MSX-TRA can prove to be very usefull when your program contains a bug
> which 
> makes the system hang completely. Just hit the reset button and hold 
> CTRL+STOP pressed until you are in MSXTRA. Then you can start
> disassembling 
> the program and check the memory contents. Since MSXTRA contains its own
> RAM, 
> the debugger will not overwrite any byte of your program's memory.
        Do you know who made this cartridge? I only have a PCB with
RAM&EPROM, looks like a copy.

        Greetz,
        Patrick


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