Add 7 bit even parity support?

[tschak909]

Hi. Thanks so much for wrapping this code. I am working on a PLATO terminal emulator here:

http://github.com/tschak909/platoterm64

and I am knee deep in debugging the protocol state machine, but I need the driver modified slightly to support 7 bits and even parity, could I perhaps convince you to help? ;)

-Thom

[nanoflite]

Can you be a bit more specific?

[xlar54]

tschak909 - this is the line to modify for what you need (7E1):

userial.c:

static unsigned char us_name[] = {0x28, 0x60, 0x00}; //1200 7E1

ref: pg 29: Abacus - Anatomy of the Commodore 64

[tschak909]

I've moved the code a lot since then, and the kernal based code is no longer being used, at all. I've made it so that 7E1 isn't needed, and I just need to get the timing values for 1200bps from the up2400 driver in CCGMS or similar. But thanks.

If you'd like to see where things stand now, http://github.com/tschak909/platoterm64

-Thom

On Thu, Jul 12, 2018 at 9:15 PM Scott Hutter [email protected] wrote:

tschak909 - this is the line to modify for what you need (7E1):

userial.c:

static unsigned char us_name1200[] = {0x28, 0x60, 0x00}; //1200 7E1

ref: pg 29: Abacus - Anatomy of the Commodore 64

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[xlar54]

off topic at this point, but i think youre doing a great thing for retro computing. good luck on platoterm. maybe you can get to comvex this year and demo it

[tschak909]

I was at VCF East. I will be at VCF West and VCF Midwest, and with that, have exhausted my convention budget. :( -Thom

On Fri, Jul 13, 2018 at 11:36 AM Scott Hutter [email protected] wrote:

off topic at this point, but i think youre doing a great thing for retro computing. good luck on platoterm. maybe you can get to comvex this year and demo it

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