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Offline Keoni29

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #30 on: February 16, 2015, 05:10:46 pm »
I wrote a fast serial loader, so I can load data directly from my PC in binary format. This loader is saved on a casette tape for the time being. I will add it to the rom with the next firmware update.

The new serial loader allows for ~5200 bytes/s transfers as opposed to 120 bytes/s for the casette loader. Note that this loader cannot be used to load data from casette tape, but only from the PC.
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Offline TIfanx1999

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #31 on: February 16, 2015, 10:23:40 pm »
Very neat stuff! ^^

Offline Keoni29

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #32 on: February 20, 2015, 06:19:15 pm »
Yesterday I bought a laser printer at a thrift shop with the intend to hook it up to my 8 bit computer. The parallel interface is fairly straightforward. After some troubleshooting I got it to work the day after I bought it. Right now it prints text pages, but I might be able to draw shapes and stuff using the printer's scripting language.
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Offline Sorunome

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #33 on: February 21, 2015, 05:50:31 am »
That sounds awesome! :D

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Offline Keoni29

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #34 on: February 21, 2015, 10:50:18 am »
Here's a picture of the resulting page printed. Sending a full page of text happens almost instantly.
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Offline Sorunome

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #35 on: February 21, 2015, 03:32:10 pm »
That's pretty awesome!

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Offline Keoni29

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #36 on: February 23, 2015, 04:53:44 am »
The address decoder of the computer is already pretty complex, yet I want to add one more feature to it. I want to exclude the zeropage, stack and 512 bytes of ram from the bankswitching mechanism. To do this I need to check if the cpu is accessing the first 1k of memory. To do this I can OR the upper 6 address lines and check if the result is 0. Then this needs to be fed into an and gate with the bank select signal coming from the decoder circuitry.
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Offline Keoni29

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #37 on: February 25, 2015, 09:23:16 am »
I hooked up a VGA video board to the computer. It's kinda slow since it uses the SPI bus, but it works.
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Offline Sorunome

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #38 on: February 25, 2015, 01:29:14 pm »
That sounds pretty awesome! Now on to make some nice games for it :P

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Offline Keoni29

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Re: CBS6000 - an 8-bit 6510 computer
« Reply #39 on: February 27, 2015, 03:03:37 pm »
Imma wire up a snes controller to the thing and write a simple game for it.
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