prog8/il65/examples/numbergame.ill
2018-08-14 14:33:36 +02:00

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%output prg
%import c64lib
%import mathlib
~ main {
str name = "?" * 80
str guess = "?" * 80
byte secretnumber = 0
byte attempts_left = 10
memory word freadstr_arg = $22 ; argument for FREADSTR
start:
c64.init_system()
c64.VMCSB |= 2 ; lowercase charset
; greeting
c64scr.print_string("Enter your name: ")
Y = c64scr.input_chars(name)
c64.CHROUT("\n")
c64.CHROUT("\n")
c64scr.print_string("Hello, ")
c64scr.print_string(name)
c64.CHROUT(".")
c64.CHROUT("\n")
; create a secret random number from 1-100
c64.RNDA(0) ; fac = rnd(0)
c64.MUL10() ; fac *= 10
c64.MUL10() ; .. and now *100
c64.FADDH() ; add 0.5..
c64.FADDH() ; and again, so +1 total
AY = c64flt.GETADRAY()
secretnumber=A
;A=math.randbyte()
;A+=c64.RASTER
;A-=c64.TIME_LO
;X,secretnumber=math.divmod_bytes(A, 99)
c64scr.print_string("I am thinking of a number from 1 to 100!You'll have to guess it!\n")
ask_guess:
c64scr.print_string("\nYou have ")
c64scr.print_byte_decimal(attempts_left)
c64scr.print_string(" guess")
if(attempts_left>0) c64scr.print_string("es")
c64scr.print_string(" left.\nWhat is your next guess? ")
Y = c64scr.input_chars(guess)
c64.CHROUT("\n")
freadstr_arg = guess
c64.FREADSTR(A)
AY = c64flt.GETADRAY()
if(A==secretnumber) {
c64scr.print_string("\nThat's my number, impressive!\n")
goto goodbye
}
c64scr.print_string("That is too ")
if(A > secretnumber)
c64scr.print_string("low!\n")
else
c64scr.print_string("high!\n")
attempts_left--
if(attempts_left>0) goto ask_guess
game_over:
c64scr.print_string("\nToo bad! It was: ")
c64scr.print_byte_decimal(secretnumber)
c64.CHROUT("\n")
goodbye:
c64scr.print_string("\nThanks for playing. Bye!\n")
return
}