prog8/compiler/examples/comparisons_ubyte.p8

103 lines
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%import c64utils
~ main {
sub start() {
ubyte v1
ubyte v2
ubyte cr
; check stack usage:
c64.STROUT("unsigned byte ")
c64scr.print_ub(X)
c64.CHROUT(' ')
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
c64scr.print_ub(X)
c64.CHROUT('\n')
; comparisons:
v1=20
v2=199
c64.STROUT("v1=20, v2=199\n")
compare()
v1=80
v2=80
c64.STROUT("v1 = v2 = 80\n")
compare()
v1=220
v2=10
c64.STROUT("v1=220, v2=10\n")
compare()
c64scr.print_ub(X)
c64.CHROUT('\n')
return
sub compare() {
c64.STROUT(" == != < > <= >=\n")
if v1==v2
c64.STROUT(" Q ")
else
c64.STROUT(" . ")
if v1!=v2
c64.STROUT(" Q ")
else
c64.STROUT(" . ")
if v1<v2
c64.STROUT(" Q ")
else
c64.STROUT(" . ")
if v1>v2
c64.STROUT(" Q ")
else
c64.STROUT(" . ")
if v1<=v2
c64.STROUT(" Q ")
else
c64.STROUT(" . ")
if v1>=v2
c64.STROUT(" Q ")
else
c64.STROUT(" . ")
c64.CHROUT('\n')
}
}
}