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https://github.com/irmen/prog8.git
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115 lines
3.1 KiB
Plaintext
115 lines
3.1 KiB
Plaintext
%output basic
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%import c64lib
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%import mathlib
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~ main {
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var .text name = '?' * 80
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var .text guess = '?' * 80
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var secretnumber
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var attempts_left = 10
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start:
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c64.init_system()
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A = c64.VMCSB
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A |= 2
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c64.VMCSB = A
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c64.VMCSB |= 2 ; @todo when this works it replaces the three lines above
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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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printloop:
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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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; @todo comparison expression so we can do if attempts_left>0 ...
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A = attempts_left
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A--
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if_zero A goto ask_guess
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c64scr.print_string("es")
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ask_guess:
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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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[$22.word] = guess
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c64.FREADSTR(A)
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AY = c64flt.GETADRAY()
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A -= secretnumber ; @todo condition so we can do if guess > secretnumber.... # @todo "removed statement that has no effect" is WRONG!!
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A -= secretnumber ; # @todo "removed statement that has no effect" is WRONG!!
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if_zero goto correct_guess
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if_gt goto too_high
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c64scr.print_string("That is too ")
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c64scr.print_string("low!\n")
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goto continue
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correct_guess:
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c64scr.print_string("\nThat's my number, impressive!\n")
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goodbye()
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return
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too_high:
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c64scr.print_string("That is too ")
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c64scr.print_string("high!\n")
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continue:
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attempts_left--
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if_zero attempts_left goto game_over
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goto printloop
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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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return goodbye()
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goodbye() ; @todo fix subroutine usage tracking, it doesn't register this one
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return
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return
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return
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return
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return
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return
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return
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return
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return
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return
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sub goodbye ()->() {
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var xxxxxx ; @todo vars in sub
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memory y = $c000 ; @todo vars in sub
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const q = 22 ; @todo const in sub
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xxxxxx++
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y++
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xxxxxx = q *4
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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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