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https://github.com/irmen/prog8.git
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77 lines
2.2 KiB
Plaintext
77 lines
2.2 KiB
Plaintext
%output prg
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%import c64lib
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%import mathlib
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~ main {
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sub start() -> () {
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str name = "?" * 80
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str guess = "?" * 80
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byte secretnumber = 0
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byte attempts_left = 10
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memory word freadstr_arg = $22 ; argument for FREADSTR
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c64.init_system()
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c64.VMCSB |= 2 ; activate lowercase charset
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; greeting
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c64scr.print_string("Enter your name: ")
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Y = c64scr.input_chars(name)
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c64.CHROUT("\n")
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c64.CHROUT("\n")
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c64scr.print_string("Hello, ")
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c64scr.print_string(name)
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c64.CHROUT(".")
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c64.CHROUT("\n")
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; create a secret random number from 1-100
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c64.RNDA(0) ; fac = rnd(0)
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c64.MUL10() ; fac *= 10
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c64.MUL10() ; .. and now *100
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c64.FADDH() ; add 0.5..
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c64.FADDH() ; and again, so +1 total
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AY = c64flt.GETADRAY()
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secretnumber = A
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;A=math.randbyte()
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;A+=c64.RASTER
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;A-=c64.TIME_LO
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;X,secretnumber=math.divmod_bytes(A, 99)
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c64scr.print_string("I am thinking of a number from 1 to 100!You'll have to guess it!\n")
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ask_guess:
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c64scr.print_string("\nYou have ")
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c64scr.print_byte_decimal(attempts_left)
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c64scr.print_string(" guess")
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if(attempts_left>0) c64scr.print_string("es")
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c64scr.print_string(" left.\nWhat is your next guess? ")
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Y = c64scr.input_chars(guess)
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c64.CHROUT("\n")
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freadstr_arg = guess
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c64.FREADSTR(A)
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AY = c64flt.GETADRAY()
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if(A==secretnumber) {
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c64scr.print_string("\nThat's my number, impressive!\n")
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goto goodbye
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}
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c64scr.print_string("That is too ")
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if(A > secretnumber)
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c64scr.print_string("low!\n")
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else
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c64scr.print_string("high!\n")
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attempts_left--
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if(attempts_left>0) goto ask_guess
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; more efficient: if_nz goto ask_guess
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; game over.
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c64scr.print_string("\nToo bad! It was: ")
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c64scr.print_byte_decimal(secretnumber)
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c64.CHROUT("\n")
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goodbye:
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c64scr.print_string("\nThanks for playing. Bye!\n")
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return
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}
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}
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