prog8/examples/comparison_ifs_ubyte.p8

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%import c64utils
%zeropage basicsafe
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main {
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sub start() {
ubyte v1
ubyte v2
v1 = 100
v2 = 200
if v1==v2
c64scr.print("error in 100==200!\n")
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else
c64scr.print("ok: 100 not == 200\n")
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if v1!=v2
c64scr.print("ok: 100 != 200\n")
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else
c64scr.print("error in 100!=200!\n")
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if v1<v2
c64scr.print("ok: 100 < 200\n")
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else
c64scr.print("error in 100<200!\n")
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if v1<=v2
c64scr.print("ok: 100 <= 200\n")
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else
c64scr.print("error in 100<=200!\n")
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if v1>v2
c64scr.print("error in 100>200!\n")
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else
c64scr.print("ok: 100 is not >200\n")
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if v1>=v2
c64scr.print("error in 100>=200!\n")
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else
c64scr.print("ok: 100 is not >=200\n")
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v1 = 155
v2 = 22
if v1==v2
c64scr.print("error in 155==22!\n")
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else
c64scr.print("ok: 155 not == 22\n")
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if v1!=v2
c64scr.print("ok: 155 != 22\n")
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else
c64scr.print("error in 155!=22!\n")
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if v1<v2
c64scr.print("error in 155<22!\n")
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else
c64scr.print("ok: 155 is not < 22\n")
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if v1<=v2
c64scr.print("error in 155<=22!\n")
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else
c64scr.print("ok: 155 is not <= 22\n")
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if v1>v2
c64scr.print("ok: 155 > 22\n")
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else
c64scr.print("error in 155>22!\n")
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if v1>=v2
c64scr.print("ok: 155 >= 22\n")
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else
c64scr.print("error in 155>=22!\n")
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v1 = 22
v2 = 22
if v1==v2
c64scr.print("ok: 22 == 22\n")
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else
c64scr.print("error in 22==22!\n")
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if v1!=v2
c64scr.print("error in 22!=22!\n")
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else
c64scr.print("ok: 22 is not != 22\n")
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if v1<v2
c64scr.print("error in 22<22!\n")
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else
c64scr.print("ok: 22 is not < 22\n")
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if v1<=v2
c64scr.print("ok: 22 <= 22\n")
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else
c64scr.print("error in 22<=22!\n")
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if v1>v2
c64scr.print("error in 22>22!\n")
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else
c64scr.print("ok: 22 is not > 22\n")
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if v1>=v2
c64scr.print("ok: 22 >= 22\n")
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else
c64scr.print("error in 22>=22!\n")
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ubyte endX = X
if endX == 255
c64scr.print("stack x ok!\n")
else
c64scr.print("error: stack x != 255 !\n")
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}
}