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Hi, I uploaded a correction just now, (Jan 2).? Please download and use this version. Yes, copy all these files in the zip to the SD Card from your PC.? Insert SD Card to Z80MC.? Turn on and stand

Its not clear in the docs or I have to reread them... I assume the process is to use the PC to copy the contents bigboot.zip after extraction to the uSD and that's it. Allison

Hi Herb, Happy New Year. The version I have came from your site.? When I need things micro, its on my list for many decades. No idea but its possible when I tried to assemble it (and install) a

This is Herb Johnson. The HTML document file in my ZIPped asmx distribution is a copy of a similar file in Bruce Tomlin's asmx distribution. My copy has changes which represent the changes I made in

Hello folks, I'm Herb Johnson, the distributor of a version of Bruce Tomlin's great asmx cross assembler. It was called to my attention, there was a discussion here about "my" asmx, Bruce's asmx, and

Te St506 predated the st225 by about two years.? I have a few of the latter as they were free (RD 31 and also St250s RD32).? I prefered the RD52 Quatum drives much faster and more reliable.? I

I think I've seen an ST506 back in the day... but for the most part, I was playing with ST-225's on PDP's.? 20Meg was very nice but still not enough for any large systems. For the big 8Meg disks, I

Hi: If I comprehend the question, you're not sure how to tell what file system the SD card is formatted for? And further, how to format a partition as FAT16? On WINDOWS, go to "MY COMPUTER" and

Thanks Lee. I used parted to examine the uSD and discovered it was basic fat 16. I come from a time when a ST506 (5MB) seemed like more space than usable.. That lasted maybe a month.? Most systems

It apparently does but that is not helpful. Man page on my system says the same thing save for I get... :mkfs.fat: unable to open /dev/sdb: No medium found Same for all variants of? sdb (stick)...?

I used DRI's MAC80 and Microsoft's M80 for most of my Z80 programming. Later I got the SLR180 assembler, which was the fastest and most versatile Z80 assembler. I used it to write a lot of code for

Hi Allison, Yes, the SD-card has to be formatted FAT16. This is also why you can't use cards over 2 Gb. It's hard for me to imagine needing over 2 Gb on a computer as small as the Z80MC! Since small

I'm pretty sure mkfs.fat will create a FAT16 disk -- from the man page, "mkfs.fat? is? used? to? create an MS-DOS filesystem under Linux on a device". -Bob

If it's not FAT16, the SD Init will fail and let you know it's a bad partition type.?

Problem solved... Used a old(CA 2004) Compaq pentium based machine running NT4 that would do FAT16. However the drd was already formatted fat 16. Solved.

The supplied uSD with the Z80MC according to the docs must be formatted FAT16... Mine out of the box has a label Z80-SIO... a good thing but was it formatted to FAT 16? If not I have one more system

Oddly the Zip files I found none had a manual... Then again I was looking for a TXT or DOC and it was HTML.. Oddly neither Herbs note or the HTML explain why H(val) or HIGH (VAL) does not behave as

Need to find out how ASMZ80 does it.? Perhaps you will need to mask the address and shift it? LD L, LED_DISPLAY_SB & 0xFFLD H, HIGH_SCAN_PTR >> 8 Need to read the ASMZ80 manual to see how they

Never mind...? Even if the cross assembler were right I'd still have to heavily edit the code for a CP/M native assembler. I'd briefly considered feeding the ZASMV20 to BDS C compiler but it

I thought I had the assembler used... ASMZ80? does not digest the following: LD L,LOW LED_DISPLAY_SB? ;Restart Pointer to Secondary Buffer LD H,HIGH SCAN_PTR OR? ? ? ? LOW LED_DISPLAY Best