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Commodore 8 Bit Programming • SPEED TEST: Simons' BASIC vs. C128 BASIC vs. Vision BASIC

Commodore.ca about 2 days ago

Retro Old Guy has released a new video comparing Simons' BASIC with C128 BASIC and Vision BASIC:https://www.youtube.c... a mismatch clearance sale over at the Vision BASIC website, where they're practically giving away a few cop …
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Commodore Events - Both Old and New C= • ZOOM MEETING: Brian Dougherty - Founder of Berkeley Softworks - GEOS - Thursday, April 18, 2024 !

Commodore.ca about 1 month ago

TPUG (Toronto PET Users Group) is pleased to reconnect you with one of the most intriguing entrepreneurs of the mid-1980’s home computing era. Brian Dougherty was the founder of Berkeley Softworks, the company that developed GEOS (Graphic Environment O …

Compatible micro SDHC card for SD2IEC

VCFed about 3 months ago

Recently purchased an SD2IEC drive. Other people have used up to 32Gb microSDHC cards successfully with this device. I am trying a SanDisk 32Gb card and a PNY 4Gb card. The c128/c64 sees the drive but cannot read anything from the card. The Sandisk is bra …

File Read Error on C128 floppy disks

VCFed about 3 months ago

Hello, please be gentle and remember I am new to all this. Unboxed my old Commodore 128 and 1571 drive from 40 years ago. PC works, cables work, and the drive seems to work. I did clean both heads. Almost all the disks I try to load will fail. I can see …

Commodore 16, 64, 128, VIC-20, PET • C64 Snappy Rom now works on C64 core

MISTerFPGA about 4 months ago

Hi everyoneThought I'd mention this in case anyone missed it but there was another C64 update released yesterday.One of the improvements was the support of 128k cartridges.I've always used the Action Replay 6 cart (had one back in the day) and I love it b …
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Commodore Events - Both Old and New C= • ZOOM MEETING: Commodore Engineer Bil Herd - Thursday, January 11, 2024 - 7:30PM ET !

Commodore.ca about 4 months ago

Bil Herd was the principal engineer on the Commodore Plus/4, C16/116, C264, C364, and the C128. Join in for a lively discussion with one of the most important figures in 1980's Commodore history.More details here: https://www.tpug.caAs always, you can w …
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ZOOM MEETING: Commodore Engineer Bil Herd - Thursday, January 11, 2024 - 7:30PM ET !

VCFed about 4 months ago

Bil Herd was the principal engineer on the Commodore Plus/4, C16/116, C264, C364, and the C128. Join in for a lively discussion with one of the most important figures in 1980's Commodore history. More details here: https://www.tpug.ca As always, you …
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Greetings from near Philly, PA

VCFed about 5 months ago

Greetings I'm a new VCFD member having signed up as I work on building a C128 system to relive my fun as a kid when I had a C64 setup. These days my primary machine is a Windows laptop but over the years, between myself & my brother, we went throu …

Who still repairs Commodores?

Apple Fritter about 6 months ago

I received a C128 and it looks great...but this was definitely someone's toy and about 10 keys don't work. Pressing 80 column mode also throws it into a frenzy.Does anyone know of a repair center where I can send this in to get repaired and possibly recap …
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Other 8-bit Commodore computers • C128D RGBI to VGA output test

Lemon64 about 6 months ago

I recently got a GGLabs CGA2RGBv2/GBS-8200 setup to convert the RGBI output of the C128 to my VGA monitor.Its working but Ive noticed my 80 column text is yellow instead of blue like above.Is there software to test the color output like the pic below?Stat …
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Other 8-bit Commodore computers • Another C128 black screen

Lemon64 about 6 months ago

Hello everyone,I purchased a C128 without a PSU. The C128 was advertised as functional with supporting images. Instead of buying a PSU, I opted to create one using the Ismet C64 PSU, retaining the transformer in a way that I connected the 9V AC line to t …
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Other 8-bit Commodore computers • C128 neo black screen on boot

Lemon64 about 6 months ago

I have assembled a C128 Neo and all I get is a black screen with a vertical line on the left. I have verified the voltages, the sync signal and all are ok. All old IC tested on an old C128 and for the new ones on a logical tester. The capacitors of the re …
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Other 8-bit Commodore computers • Recommended C128 bodge wires?

Lemon64 about 6 months ago

I am repairing a "flat" C128, US (NTSC) version, dated 12/1985.I only have two bodge wires:1) On the upper side, from Z80 to 74LS257. This is to fix a possible metastability described in detail by Bil Herd.2) On the lower side, the one with a resistor fro …
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Other 8-bit Commodore computers • Commodore 128, out of memory ERROR IN 0

Lemon64 about 6 months ago

Hi. Maybe someone could help me. I'm trying to identify a broken ram chip on my 128. I have an error OUT OF MEMORY ERROR IN 0. On C64 mode.C128 mode boots fine.Is this bit 4? I'm looking for a chip number Uxx on the motherboard. Thanks for help.Statistics …
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Supermarket • [FOR SALE] Boxed Commodore 128 & 1570

Lemon64 about 6 months ago

FS:Commodore 128 & 1570 drive - great condition, working, complete set.Price: 500 euro + postage. Offers accepted.Statistics: Posted by Daloway — Wed Nov 15, 2023 5:24 pm — Replies 1 — Views 67 …
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General • Buddy 64 Memory Map

Lemon64 about 6 months ago

Hi there, I was looking at the manual for Buddy 64/128 by Chris Miller 1990. I have two questions, first, what are things to look for when trying to determine to location where a program resided in the C64 memory. Chris gives a little more information at …
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Supermarket • Auctions: Two C64s, VC-1541, C1551

Lemon64 about 7 months ago

I'm have these auctions on Swedish auction site Tradera. I will ship inside the EU.Commodore 64 in original box. Probably has a faulty 6526 CIA chip as some keys don't work.Commodore 64 in original box. Fully working when tested.Commodore VC 1541 Disk Dri …
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Other 8-bit Commodore computers • C128D + Ultimate II + C128 device manager + external physical 1541 drive = impossible..?

Lemon64 about 7 months ago

Hello,I had to make a thread because I was not able to find information by searching/googling..I have been using Ultimate II+ on my C128D for a few years quite happily now ever since I got the C128 device manager from bartsplace - I can load multiload gam …
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Other 8-bit Commodore computers • C128DCR: What colour is the 80 column text supposed to be?

Lemon64 about 7 months ago

I have a Commodore 128DCR that I've been using for years with a 1084 monitor connected successfully via composite in both 40 column modes (C128 and C64 modes). I occasionally connect using the 80 column cable (sorry, not sure of it's name) and boot in 80 …
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Other 8-bit Commodore computers • C128 schematic revision

Lemon64 about 7 months ago

How would I determine the specific schematic revision for my Ci28? Here are some of the choices offered on a Commodore 128 Wiki page:ASSY 310379 Rev 6ASSY 310379 Rev 7ASSY 310379 Rev 7AASSY 310381 Rev 7I can find these numbers nowhere on my board (haven' …
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Other 8-bit Commodore computers • Dark border/shadow on C128 screen after RF module replacement

Lemon64 about 7 months ago

Hi Everybody,I've installed the analog_only RF module replacement designed by c0pperdragon on a C128 and I'm dealing with a weird dark border/shadow as you can see in the image:I noticed it on the C64 mode in the right border but then I checked the C128 i …
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Other 8-bit Commodore computers • 785260 shows Bad RAM and U1 CIA on my C128, but all is working without problems

Lemon64 about 7 months ago

Hi, please help me!I have one beautiful C128, and i have changed power switch, because the voltage dropping was too high. Now it works perfect, i tried in 10 games (sd2iec and fastloader), there was no problems. Problem is when i tested C128 with 785260 ( …
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Other 8-bit Commodore computers • Help with koola images on c128 with vice 3.5

Lemon64 about 7 months ago

I am getting back into retro-programming with vice 3.5. and emulating the Commodore 128. I am 59 years old and back in the day programmed in basic and machine language on apple, atari, and commodore 64. Have been using project one to generate koola image …
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Help & Support • VIC-II-dizer and RetroTink 5X?

Lemon64 about 7 months ago

Hi all.Would there be any one in here that knows if the VIC-II-dizer, https://www.tindie.com/prod... ... -ii-dizer/ works with RetroTink 5X?I noticed it in this video (C128), https://youtu.be/aT21nddvkL... It seems to have two …

Commodore 128 Power Port

VCFed about 7 months ago

I am looking at having to possibly move most of my chips to a new 128 board as I am starting to have a lot of issues with mine (masking is flaking off all over, some traces are starting to corrode, etc) and I would like to build it up so I can just move th …