Two's complement: Difference between revisions

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ADC #0
ADC #0
STA myVar+1</lang>
STA myVar+1</lang>

=={{header|8086 Assembly}}==
<lang asm>mov al,17
neg al ;8-bit
mov bx,4C00h
neg bx ;16-bit</lang>


=={{header|C}}==
<lang C>int a = 3;
a = -a;</lang>


=={{header|Z80 Assembly}}==
=={{header|Z80 Assembly}}==
Line 63: Line 74:
sub b
sub b
ld b,a</lang>
ld b,a</lang>

=={{header|C}}==
<lang C>int a = 3;
a = -a;</lang>