mirror of
https://github.com/irmen/prog8.git
synced 2024-11-23 07:32:10 +00:00
171 lines
2.9 KiB
Lua
171 lines
2.9 KiB
Lua
%import c64utils
|
|
%import mathlib
|
|
|
|
~ main {
|
|
|
|
sub start() {
|
|
|
|
word v1
|
|
word v2
|
|
ubyte cr
|
|
|
|
|
|
; check stack usage:
|
|
c64.STROUT("signed word ")
|
|
c64scr.print_byte(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_byte(X)
|
|
c64.CHROUT('\n')
|
|
|
|
; comparisons:
|
|
v1=20
|
|
v2=$00aa
|
|
c64.STROUT("v1=20, v2=$00aa\n")
|
|
compare()
|
|
|
|
v1=20
|
|
v2=$7a00
|
|
c64.STROUT("v1=20, v2=$7a00\n")
|
|
compare()
|
|
|
|
v1=$7400
|
|
v2=$22
|
|
c64.STROUT("v1=$7400, v2=$22\n")
|
|
compare()
|
|
|
|
v1=$7400
|
|
v2=$2a00
|
|
c64.STROUT("v1=$7400, v2=$2a00\n")
|
|
compare()
|
|
|
|
v1=$7433
|
|
v2=$2a00
|
|
c64.STROUT("v1=$7433, v2=$2a00\n")
|
|
compare()
|
|
|
|
v1=$7433
|
|
v2=$2aff
|
|
c64.STROUT("v1=$7433, v2=$2aff\n")
|
|
compare()
|
|
|
|
; with negative numbers:
|
|
v1=-512
|
|
v2=$00aa
|
|
c64.STROUT("v1=-512, v2=$00aa\n")
|
|
compare()
|
|
|
|
v1=-512
|
|
v2=$7a00
|
|
c64.STROUT("v1=-512, v2=$7a00\n")
|
|
compare()
|
|
|
|
v1=$7400
|
|
v2=-512
|
|
c64.STROUT("v1=$7400, v2=-512\n")
|
|
compare()
|
|
|
|
v1=-20000
|
|
v2=-1000
|
|
c64.STROUT("v1=-20000, v2=-1000\n")
|
|
compare()
|
|
|
|
v1=-1000
|
|
v2=-20000
|
|
c64.STROUT("v1=-1000, v2=-20000\n")
|
|
compare()
|
|
|
|
v1=-1
|
|
v2=32767
|
|
c64.STROUT("v1=-1, v2=32767\n")
|
|
compare()
|
|
|
|
v1=32767
|
|
v2=-1
|
|
c64.STROUT("v1=32767, v2=-1\n")
|
|
compare()
|
|
|
|
v1=$7abb
|
|
v2=$7abb
|
|
c64.STROUT("v1 = v2 = 7abb\n")
|
|
compare()
|
|
|
|
v1=$7a00
|
|
v2=$7a00
|
|
c64.STROUT("v1 = v2 = 7a00\n")
|
|
compare()
|
|
|
|
v1=$aa
|
|
v2=$aa
|
|
c64.STROUT("v1 = v2 = aa\n")
|
|
compare()
|
|
|
|
c64scr.print_byte(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')
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|