I understand how a simple 4 bit computer works but how do you go from that to writing even basic letters on a screen?
Also old technology thread
>>55829894
interrupts
>>55829894
Do you understand how a 7-seg-display works?
Put together a circuit to control some kind of display and put some software on a ROM chip that allows you to type and send commands to your computer.
>>55830055
I have a basic understanding of it, now that you've said that it makes a lot more sense if the principles are the same
>>55830084
That sounds like fun, I will do that
By turn on/off certain pixel ?
In old VGA days, it's done based on ASCII ROM."00000000", -- 0
"00000000", -- 1
"00010000", -- 2 *
"00111000", -- 3 ***
"01101100", -- 4 ** **
"11000110", -- 5 ** **
"11000110", -- 6 ** **
"11111110", -- 7 *******
"11000110", -- 8 ** **
"11000110", -- 9 ** **
"11000110", -- a ** **
"11000110", -- b ** **
"00000000", -- c
"00000000", -- d
"00000000", -- e
"00000000", -- f