prog8/examples/numbergame.p8
2020-03-13 00:50:30 +01:00

75 lines
2.0 KiB
Lua

%import c64utils
%import c64lib
%zeropage basicsafe
; The classic number guessing game.
main {
sub start() {
str name = "????????????????????????????????????????"
str input = "??????????"
ubyte secretnumber = rnd() % 99 + 1 ; random number 1..100
ubyte attempts_left
c64.VMCSB |= 2 ; switch lowercase chars
c64scr.print("Please introduce yourself: ")
void c64scr.input_chars(name)
c64scr.print("\n\nHello, ")
c64scr.print(name)
c64scr.print(".\nLet's play a number guessing game.\nI am thinking of a number from 1 to 100!You'll have to guess it!\n")
for attempts_left in 10 downto 1 {
c64scr.print("\nYou have ")
c64scr.print_ub(attempts_left)
c64scr.print(" guess")
if attempts_left>1
c64scr.print("es")
c64scr.print(" left.\nWhat is your next guess? ")
void c64scr.input_chars(input)
ubyte guess = lsb(c64utils.str2uword(input))
if guess==secretnumber {
ending(true)
return
} else {
c64scr.print("\n\nThat is too ")
if guess<secretnumber
c64scr.print("low!\n")
else
c64scr.print("high!\n")
}
}
ending(false)
return
sub ending(ubyte success) {
if success
c64scr.print("\n\nYou guessed it, impressive!\n")
else {
c64scr.print("\nToo bad! My number was: ")
c64scr.print_ub(secretnumber)
c64scr.print(".\n")
}
c64scr.print("Thanks for playing, ")
c64scr.print(name)
c64scr.print(".\n")
check_eval_stack()
}
}
sub check_eval_stack() {
if X!=255 {
c64scr.print("stack x=")
c64scr.print_ub(X)
c64scr.print(" error!\n")
}
}
}