Search found 1293 matches
- Wed Jun 07, 2023 11:31 am
- Forum: Hardware and Tech
- Topic: New penultimate-plus-2-cartridge
- Replies: 57
- Views: 14807
Re: New penultimate-plus-2-cartridge
looks good!
- Tue Jun 06, 2023 10:16 am
- Forum: Buy, Sell, and Trade
- Topic: Great gift for VIC-20 freaks
- Replies: 1
- Views: 2954
Re: Great gift for VIC-20 freaks
Nice idea.
Might be useful to also have pages with grids for designing user-defined-characters and screen layouts?
Might be useful to also have pages with grids for designing user-defined-characters and screen layouts?
- Fri May 12, 2023 10:18 am
- Forum: Hardware and Tech
- Topic: Mega-cart issues?
- Replies: 13
- Views: 2859
Re: Mega-cart issues?
Good idea about the cart extender. I don't have one so I'll have to see if any are listed on ebay or find if anyone is producing contemporary versions. My VIC-Rabbit has a "passthru" cart connector, so I'll play with that too, see if it helps. If you can't get any joy with the "VIC-R...
- Thu May 11, 2023 11:54 am
- Forum: Hardware and Tech
- Topic: Mega-cart issues?
- Replies: 13
- Views: 2859
Re: Mega-cart issues?
I believe you should be able to prevent it from AutoStarting by using a cartridge port extender that allows you to turn it off? Then you could try switching it in and running the program again?
- Thu May 11, 2023 5:55 am
- Forum: Hardware and Tech
- Topic: Mega-cart issues?
- Replies: 13
- Views: 2859
Re: Mega-cart issues?
fair enough, only skipped through.
You can try unzipping and running the attached mega-cart repair program on the Vic. Can't remember where I got it, but it has rescued mine a couple of times.
You can try unzipping and running the attached mega-cart repair program on the Vic. Can't remember where I got it, but it has rescued mine a couple of times.
- Wed May 10, 2023 10:31 am
- Forum: Hardware and Tech
- Topic: Mega-cart issues?
- Replies: 13
- Views: 2859
Re: Mega-cart issues?
Try to... How to clear preferences and restore default factory settings In case of a problem, or you if you simply want to delete your settings quickly, it is possible to clear all preferences and restore the Mega-Cart to default factory settings. Please remember that the preferences contain such se...
- Mon Apr 17, 2023 3:09 am
- Forum: General Topics
- Topic: Most recent Gamebase with Newest VIC-20 Games?
- Replies: 6
- Views: 4072
Re: Most recent Gamebase with Newest VIC-20 Games?
Just a suggestion but it would be nice to have this project re-platformed into an online offering rather than something you have to download and install on a Windows only machine. I took a look at it once and easily generated a web front-end in ASP.net by converting the access database to SQL. It co...
- Fri Apr 14, 2023 3:17 am
- Forum: Emulation and Cross Development
- Topic: ChatGPT with 6502
- Replies: 10
- Views: 3846
Re: ChatGPT with 6502
GPT 4 Can you generate vic 20 6502 assembler code for a raster split where the screen background colour is changed half way down. Output code only in a single block. ; Constants RSEL = $9003 IRQEN = $912D IRQRST = $912F IRQVEC = $314 ; Variables in zero page handler = $FB ; $FB/$FC is unused by BAS...
- Fri Apr 14, 2023 3:13 am
- Forum: Emulation and Cross Development
- Topic: ChatGPT with 6502
- Replies: 10
- Views: 3846
Re: ChatGPT with 6502
GPT 4 Can you show me how to multiply two eight-bit numbers in 6502 assembly language? Output code only in a single block ; Variables in zero page A = $00 B = $01 C_low = $02 C_high = $03 counter = $04 LDA #$00 STA C_low STA C_high LDA B STA counter mult_loop: LDA C_low CLC ADC A STA C_low LDA C_hi...
- Fri Apr 14, 2023 3:03 am
- Forum: Emulation and Cross Development
- Topic: ChatGPT with 6502
- Replies: 10
- Views: 3846
Re: ChatGPT with 6502
GPT-4 Can you show me how to add two sixteen-bit numbers in 6502 assembly language? Certainly! Adding two 16-bit numbers in 6502 assembly language involves a process called "16-bit addition with carry." You'll need to split each 16-bit number into two 8-bit numbers (low byte and high byte...
Re: Targ
I've never Spectar before - looks quite good.
On a related side note: It's funny how game programmers of the era thought that an ascending/descending frequency-sweep was a cool sound effect. Seems something particularly prevalent on the Vic.
On a related side note: It's funny how game programmers of the era thought that an ascending/descending frequency-sweep was a cool sound effect. Seems something particularly prevalent on the Vic.
Re: Targ
Thanks for this.
It looks very faithful to the original and plays great. I hadn't seen this game before, or taken any notice of it at least. Seems these early games translate quite well to the Vic in your hands.
Another quality conversion from the LeChuck stable.
It looks very faithful to the original and plays great. I hadn't seen this game before, or taken any notice of it at least. Seems these early games translate quite well to the Vic in your hands.
Another quality conversion from the LeChuck stable.
- Wed Mar 22, 2023 9:28 am
- Forum: Emulation and Cross Development
- Topic: Furnace Tracker - A multi-system multi-engine cross tracker
- Replies: 1
- Views: 2884
Re: Furnace Tracker - A multi-system multi-engine cross tracker
That's awesome, especially the dance tune.
Is there by any chance, a player so these tunes can be played on real hardware?
Is there by any chance, a player so these tunes can be played on real hardware?
- Fri Mar 17, 2023 9:47 am
- Forum: Emulation and Cross Development
- Topic: Conversion of VIC-SSS-MMX to CBM prg Studio
- Replies: 23
- Views: 5903
Re: Conversion of VIC-SSS-MMX to CBM prg Studio
For ballpark you'll get about 6 2x2 sprites chugging along nicely. I don't think multi-color slows it down much. You'll notice most that the sprites tend to slow down when they transit non-empty background graphics. If you can do stuff without them as well it helps, for instance in Pooyan, the chair...
- Thu Mar 16, 2023 7:25 am
- Forum: Emulation and Cross Development
- Topic: Conversion of VIC-SSS-MMX to CBM prg Studio
- Replies: 23
- Views: 5903
Re: Conversion of VIC-SSS-MMX to CBM prg Studio
You may need to add conditionals for non MC use as I wasn't interested in that.