Msg #3050 posted 01/30/88 at  5:59 pm by Michal Carson
To: Fred Haines     About: mload and z33 (12 lines)

I had some difficulty with MLOAD zapping the first 6 bytes of Z33, as well. I
think I was working on something Z33-specific using MLOAD to load it and then
trying to run it. It would abort, saying Z33 was not available, but that
would cause a warm boot and it took me the longest time to figure out what was
going on.

I found that MLOAD was calculating it's buffer space based on the BDOS vector
at 06h. The cure is fairly simple: at line 44 of MLOAD24.Z80 the instruction
LD A,L should be patched to XOR A to subtract from zero instead of six. I used
ZPatch to plug an 0AFh (XOR A) into address 01B6h.

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