Retro Vic 20

Started by Xerra, June 30, 2020, 16:56:11

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Xerra

Best I could do. I took a picture on my phone of the original photo.

This is me on my grandads Vic20 way back in Summer 1982. Only the back of my head as I was too busy to pose for the photo's my nan was taking but you can clearly see my mum used to cut my hair back in those days :-)

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Krischan

Great. So I'm not the only one with a photo ;D I remember that I was very impressed that you could program sounds. It didn't had the SID but it already sounded not bad. Remember Sound #14 from the manual?
Kind regards
Krischan

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3DzForMe

#17
@Xerra, yeah my mum used to cut my hair around then also. As for emulators.... Who needs a Miggy emulator when you've still got the real thing 😁
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Steve Elliott

Yeah, looks well looked after - bundled in a corner lol.  :P
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3DzForMe

I'd to unbury it first!  I need a man cave of larger proportions  ;D
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Steve Elliott

Yep, a decent sized man cave is great fun.  When I couldn't get 'The C64' (always sold out) I ended up buying a real C64.  But when looking on Ebay I was tempted to buy an Amiga instead, until I saw the prices.   :o
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3DzForMe

Tape loading versus 3 1/4 inch disks.... Think my nostalgia appreciates disks versus tapes!
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Steve Elliott

I load C64 software from a SD Card.  :P
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3DzForMe

But how do you load your old code?  I've still got a whole box load of tapes with very raw speed data from my old Amiga project.... I know, tapes with an Amiga, a novel concept!
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Xerra

Quote from: 3DzForMe on July 11, 2020, 21:19:36
But how do you load your old code?  I've still got a whole box load of tapes with very raw speed data from my old Amiga project.... I know, tapes with an Amiga, a novel concept!

How on earth did you manage that? The Amiga never had cassette support back in the day. The default format was 3.5 inch disks.
M2 Pro Mac mini - 16GB 512 SSD
ACER Nitro 5 15.6" Gaming Laptop - Intel® Core™ i7, RTX 3050, 1 TB SSD
Vic 20 - 3.5k 1mhz 6502

Latest game - https://xerra.itch.io/revenge-of-the-quadra
Blog: http://xerra.co.uk
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3DzForMe

It was a convoluted old game, captured sound 'blips', related to wheel rotations on a bike, then played the tape back through a schmitt trigger through the joystick port to display graphs of speed, all before Garmin hit the scene with their new fangled GPS.
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Xerra

Quote from: 3DzForMe on July 12, 2020, 20:35:12
It was a convoluted old game, captured sound 'blips', related to wheel rotations on a bike, then played the tape back through a schmitt trigger through the joystick port to display graphs of speed, all before Garmin hit the scene with their new fangled GPS.

This reminds me of the time I got a two wire pressure mat from a friend and wired it into a 9 pin adapter the goes into the joystick port on a C64. I used a basic program to read the results from all  the pins so I could see which two bits gave a signal when pressure was applied and then wrote a machine code interrupt routine that ran in the background of the C64 normal startup screen. When the pressure mat was triggered by my bratty little sister going into my private bedroom the C64 blasted through all the sound registers random sounds with no coded delay loops. The sound was horrendous and i left the portable telly on full volume so I'd hear it go off if I was downstairs.

Little cow got wise to it and just turned the telly off and stepped over the mat after a couple of times being caught out, though.
M2 Pro Mac mini - 16GB 512 SSD
ACER Nitro 5 15.6" Gaming Laptop - Intel® Core™ i7, RTX 3050, 1 TB SSD
Vic 20 - 3.5k 1mhz 6502

Latest game - https://xerra.itch.io/revenge-of-the-quadra
Blog: http://xerra.co.uk
Itch.IO: https://xerra.itch.io/

3DzForMe

#27
Quote.  it into a 9 pin adapter the goes into the joystick port on a C64. I used a basic program to read the results from all  the pins so I could see which two bits gave a signal when pressure was applied and then wrote a machine code interrupt routine that ran in the background of the C64 normal startup screen     

Most awesome, the toughest bit for me was coding for 'dropout' when the reeds witch on the down fork didn't quite make for long enough to stimulate the 3khz sound generator. All in Blitz Basic 2.1, Red when excited!
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Xerra

Red when excited. I remember those guys. I had a nice chat with one of them when I posted that I was going to be reviewing the Blitz Support Suite for CU Amiga magazine. They were offering me a free copy for the review but I'd already bought it on the expectation that I could get the freelance work to review it.
M2 Pro Mac mini - 16GB 512 SSD
ACER Nitro 5 15.6" Gaming Laptop - Intel® Core™ i7, RTX 3050, 1 TB SSD
Vic 20 - 3.5k 1mhz 6502

Latest game - https://xerra.itch.io/revenge-of-the-quadra
Blog: http://xerra.co.uk
Itch.IO: https://xerra.itch.io/

3DzForMe

Wow, you reviewed BSS for CUAmiga, think I've still got the last copy with the big foot on the front, JSW styled! Or am I confusing that with Amiga Format....
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Recent Hardware: Lenovo Re-furb'd Laptop
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