prog8/examples/comparisons_uword.p8

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%import c64utils
%zeropage basicsafe
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main {
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sub start() {
uword v1
uword v2
ubyte cr
c64scr.print("unsigned word ")
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cr=v1==v2
cr=v1==v2
cr=v1==v2
cr=v1!=v2
cr=v1!=v2
cr=v1!=v2
cr=v1<v2
cr=v1<v2
cr=v1<v2
cr=v1<v2
cr=v1>v2
cr=v1>v2
cr=v1>v2
cr=v1>v2
cr=v1>v2
cr=v1<=v2
cr=v1<=v2
cr=v1<=v2
cr=v1<=v2
cr=v1>=v2
cr=v1>=v2
cr=v1>=v2
cr=v1>=v2
cr=v1>=v2
; comparisons:
v1=20
v2=$00aa
c64scr.print("v1=20, v2=$00aa\n")
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compare()
v1=20
v2=$ea00
c64scr.print("v1=20, v2=$ea00\n")
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compare()
v1=$c400
v2=$22
c64scr.print("v1=$c400, v2=$22\n")
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compare()
v1=$c400
v2=$2a00
c64scr.print("v1=$c400, v2=$2a00\n")
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compare()
v1=$c433
v2=$2a00
c64scr.print("v1=$c433, v2=$2a00\n")
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compare()
v1=$c433
v2=$2aff
c64scr.print("v1=$c433, v2=$2aff\n")
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compare()
v1=$aabb
v2=$aabb
c64scr.print("v1 = v2 = aabb\n")
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compare()
v1=$aa00
v2=$aa00
c64scr.print("v1 = v2 = aa00\n")
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compare()
v1=$aa
v2=$aa
c64scr.print("v1 = v2 = aa\n")
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compare()
return
sub compare() {
c64scr.print(" == != < > <= >=\n")
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if v1==v2
c64scr.print(" Q ")
else
c64scr.print(" . ")
if v1!=v2
c64scr.print(" Q ")
else
c64scr.print(" . ")
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if v1<v2
c64scr.print(" Q ")
else
c64scr.print(" . ")
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if v1>v2
c64scr.print(" Q ")
else
c64scr.print(" . ")
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if v1<=v2
c64scr.print(" Q ")
else
c64scr.print(" . ")
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if v1>=v2
c64scr.print(" Q ")
else
c64scr.print(" . ")
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c64.CHROUT('\n')
}
}
}