looks like the main suspicions are on the "while(B0!=3D1);". It's the first=
=20
time i use sdcc but i think it should just cycle until B0 becomes 0 (!=3D1)=
,=20
then quit the loop and go on with the program. I guess since it has a=20
semicolon at end, it should not contain the other while, but rather be a=20
different loop. However i tried to do something like this:

while(B0!=3D1){
_asm
nop;
_endasm
}

(you never know) and it's the same. For resetting issues:the power is from =
a=20
9v battery -> 78ls05 regulator and pin 4 is connected directly to the=20
regulator output. This is how it writes the while in assembler (second=20
version):

_00105_DS_
;#CSRC a.c 24
; while(B0!=3D1){
BTFSC (_B0 >> 3), (_B0 & 7)
GOTO _00109_DS_
nop;

GOTO _00105_DS_


Looks like there is no problem here.
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