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GeneralRe: Vectrex Pin
CodeWraith3-Jul-22 18:56
MemberCodeWraith3-Jul-22 18:56 
GeneralRe: Vectrex Pin
DerekT-P4-Jul-22 5:24
professionalDerekT-P4-Jul-22 5:24 
GeneralRe: Vectrex Pin
John Wellbelove5-Jul-22 13:30
MemberJohn Wellbelove5-Jul-22 13:30 
GeneralRe: Vectrex Pin
Andreas Mertens3-Jul-22 16:26
professionalAndreas Mertens3-Jul-22 16:26 
GeneralRe: Vectrex Pin
CodeWraith3-Jul-22 18:48
MemberCodeWraith3-Jul-22 18:48 
GeneralRe: Vectrex Pin
Richard Andrew x644-Jul-22 4:06
professionalRichard Andrew x644-Jul-22 4:06 
GeneralRe: Vectrex Pin
trønderen4-Jul-22 8:13
Membertrønderen4-Jul-22 8:13 
GeneralRe: Vectrex Pin
Richard Andrew x644-Jul-22 8:22
professionalRichard Andrew x644-Jul-22 8:22 
Yes, I remember it well. I learned assembly for the TMS9900, and I recall that the architecture of the TI-99/4A was such that the video RAM was separate from the CPU RAM. In order to write to video RAM, the CPU had to set certain memory locations and then perform several NOP instructions to allow the video processor time to read the values that were just written.

This led to extremely poor graphics speed, and in my view was just a dumb design.



The difficult we do right away...
...the impossible takes slightly longer.

GeneralRe: Vectrex Pin
trønderen4-Jul-22 15:21
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GeneralRe: Vectrex Pin
BBar25-Jul-22 18:42
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GeneralRe: Vectrex Pin
CodeWraith4-Jul-22 8:58
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GeneralRe: Vectrex Pin
JohnDG525-Jul-22 1:58
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GeneralRe: Vectrex Pin
maze35-Jul-22 2:29
professionalmaze35-Jul-22 2:29 
GeneralRe: Vectrex Pin
Mike Hankey3-Jul-22 11:08
professionalMike Hankey3-Jul-22 11:08 
GeneralRe: Vectrex Pin
Richard Andrew x643-Jul-22 11:24
professionalRichard Andrew x643-Jul-22 11:24 
GeneralRe: Vectrex Pin
Mike Hankey3-Jul-22 11:59
professionalMike Hankey3-Jul-22 11:59 
GeneralRe: Vectrex Pin
obermd3-Jul-22 13:32
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GeneralRe: Vectrex Pin
trønderen3-Jul-22 18:52
Membertrønderen3-Jul-22 18:52 
GeneralRe: Vectrex Pin
Mircea Neacsu3-Jul-22 13:55
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GeneralRe: Vectrex Pin
CPallini3-Jul-22 20:15
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GeneralRe: Vectrex Pin
jmaida3-Jul-22 16:28
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GeneralRe: Vectrex Pin
jmaida3-Jul-22 16:30
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GeneralRe: Vectrex Pin
CPallini3-Jul-22 20:19
mveCPallini3-Jul-22 20:19 
GeneralRe: Vectrex Pin
Daniel Pfeffer3-Jul-22 21:39
professionalDaniel Pfeffer3-Jul-22 21:39 
GeneralRe: Vectrex Pin
Tomaž Štih3-Jul-22 23:06
MemberTomaž Štih3-Jul-22 23:06 

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When building an application, when is the most important time to consider the User Experience?
They are the ones we write code for, right?
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