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A project log for nedoPC-85

Started in 2004 as a simple breadboard-friendly computer on Intel 8085 microprocessor...

shaosSHAOS 03/24/2018 at 07:430 Comments

all 5x7 LED matrix installed:

and it's working :)

video:

it executes this program (and eats 500-900 mA):

.i8080
   org   0
   mvi   a,0FFh
   out   0
   mvi   b,0
loop:
   mov   a,b
   rrc
   rrc
   rrc
   out   1
   out   2
   out   3
   out   4
   out   5
   out   6
   out   7
   out   8
   out   9
   out   10
   out   11
   out   12
   inr   b
   nop
   mvi   c,9
   mvi   d,7Fh
loop1:
   mov   a,d
   out   0
   stc
   rar
   mov   d,a  
   lxi   h,100
loop2:   ; total 24
   dcx   h      ; 5
   mov   a,h    ; 5
   ora   l      ; 4
   jnz   loop2  ; 10 
   dcr   c
   jnz   loop1
   jmp   loop

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