mirror of
https://github.com/irmen/prog8.git
synced 2024-07-21 01:29:03 +00:00
86 lines
1.5 KiB
Lua
86 lines
1.5 KiB
Lua
%import graphics
|
|
%zeropage basicsafe
|
|
|
|
main {
|
|
sub start() {
|
|
byte xx
|
|
word yy
|
|
|
|
uword addr = $3000
|
|
cmp(xx, @($2000))
|
|
cmp(@($2000), xx)
|
|
cmp(yy, @($2000))
|
|
cmp(@($2000), yy)
|
|
}
|
|
sub start3() {
|
|
|
|
byte xx
|
|
byte yy
|
|
|
|
; all comparisons with constant values are already optimized
|
|
|
|
byte value = 100
|
|
|
|
while xx==value {
|
|
yy++
|
|
}
|
|
|
|
while xx!=value {
|
|
yy++
|
|
}
|
|
|
|
while xx>value {
|
|
yy++
|
|
}
|
|
|
|
do {
|
|
yy++
|
|
} until xx==value
|
|
|
|
do {
|
|
yy++
|
|
} until xx!=value
|
|
|
|
do {
|
|
yy++
|
|
} until xx>value
|
|
|
|
if xx==value
|
|
yy++
|
|
|
|
if xx!=value
|
|
yy++
|
|
|
|
if xx>value
|
|
yy++
|
|
}
|
|
|
|
|
|
sub start2() {
|
|
|
|
graphics.enable_bitmap_mode()
|
|
|
|
uword xx
|
|
ubyte yy
|
|
|
|
graphics.line(150,50,150,50)
|
|
|
|
for yy in 0 to 199-60 step 16 {
|
|
|
|
for xx in 0 to 319-50 step 16 {
|
|
graphics.line(30+xx, 10+yy, 50+xx, 30+yy)
|
|
graphics.line(49+xx, 30+yy, 10+xx, 30+yy)
|
|
graphics.line(11+xx, 29+yy, 29+xx, 11+yy)
|
|
|
|
; triangle 2, counter-clockwise
|
|
graphics.line(30+xx, 40+yy, 10+xx, 60+yy)
|
|
graphics.line(11+xx, 60+yy, 50+xx, 60+yy)
|
|
graphics.line(49+xx, 59+yy, 31+xx,41+yy)
|
|
}
|
|
}
|
|
|
|
repeat {
|
|
}
|
|
}
|
|
}
|