mirror of
https://github.com/irmen/prog8.git
synced 2024-11-06 16:07:32 +00:00
102 lines
1.7 KiB
Lua
102 lines
1.7 KiB
Lua
%import c64utils
|
|
%zeropage basicsafe
|
|
|
|
main {
|
|
|
|
sub start() {
|
|
|
|
byte v1
|
|
byte v2
|
|
ubyte cr
|
|
|
|
c64scr.print("signed byte ")
|
|
|
|
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=125
|
|
c64scr.print("v1=-20, v2=125\n")
|
|
compare()
|
|
|
|
v1=80
|
|
v2=80
|
|
c64scr.print("v1 = v2 = 80\n")
|
|
compare()
|
|
|
|
v1=20
|
|
v2=-111
|
|
c64scr.print("v1=20, v2=-111\n")
|
|
compare()
|
|
|
|
ubyte endX = X
|
|
if endX == 255
|
|
c64scr.print("\nstack x ok!\n")
|
|
else
|
|
c64scr.print("\nerror: stack x != 255 !\n")
|
|
|
|
return
|
|
|
|
|
|
sub compare() {
|
|
c64scr.print(" == != < > <= >=\n")
|
|
|
|
if v1==v2
|
|
c64scr.print(" Q ")
|
|
else
|
|
c64scr.print(" . ")
|
|
if v1!=v2
|
|
c64scr.print(" Q ")
|
|
else
|
|
c64scr.print(" . ")
|
|
|
|
if v1<v2
|
|
c64scr.print(" Q ")
|
|
else
|
|
c64scr.print(" . ")
|
|
|
|
if v1>v2
|
|
c64scr.print(" Q ")
|
|
else
|
|
c64scr.print(" . ")
|
|
|
|
if v1<=v2
|
|
c64scr.print(" Q ")
|
|
else
|
|
c64scr.print(" . ")
|
|
|
|
if v1>=v2
|
|
c64scr.print(" Q ")
|
|
else
|
|
c64scr.print(" . ")
|
|
c64.CHROUT('\n')
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|