131 lines
2.4 KiB
Text
131 lines
2.4 KiB
Text
#
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-- $Source$
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-- $State$
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-- $Revision$
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#include "dec.ocm"
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-- General utilities: read and write strings.
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proc puts(value s[]) =
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seq i = [1 for s[byte 0]]
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output ! s[byte i]
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:
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proc gets(var s[]) =
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var length, finished, c:
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seq
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finished := false
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length := 0
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while not finished
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seq
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input ? c
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if
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c = 10
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finished := true
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true
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seq
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length := length + 1
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s[byte length] := c
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s[byte 0] := length
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:
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-- Our random number generator.
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var seed:
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proc randomise(value s) =
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seq
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seed := s
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:
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proc random(value range, var result) =
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seq
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seed := (20077 * seed) + 12345
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if
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seed < 0
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seed := -seed
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true
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skip
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result := seed \ range
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:
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-- Does the reading-in-the-name thing.
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proc getname =
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var seed, buffer[128]:
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seq
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puts("*nHi there! I'm written in Occam. Before we start, what is your name?*n")
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puts("> ")
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gets(buffer)
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seed := 0
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seq i = [1 for buffer[byte 0]]
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seed := seed + buffer[byte i]
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randomise(seed)
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puts("*nHello, ")
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puts(buffer)
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puts("! ")
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:
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-- Plays a single game.
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proc game =
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var Number, Attempts, finished, guess:
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seq
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puts("See if you can guess my number.*n")
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random(100, Number)
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Attempts := 1
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finished := false
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while not finished
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seq
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puts("*n> ")
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var c:
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seq
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c := '*s'
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decin(input, guess, c)
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if
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guess = Number
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seq
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puts("*nYou got it right in only ")
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decout(output, Attempts, 0)
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puts(" ")
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if
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Attempts = 1
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puts("go")
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true
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puts("goes")
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puts("!*n")
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finished := true
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guess < Number
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puts("*nTry a bit higher.*n")
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guess > Number
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puts("*nTry a bit lower.*n")
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Attempts := Attempts + 1
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:
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var finished, buffer[128]:
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seq
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output ! TEXT
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getname
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finished := false
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while not finished
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seq
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game
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puts("*nWould you like another go?*n")
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puts("> ")
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gets(buffer)
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if
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(buffer[byte 1] = 'n') or (buffer[byte 1] = 'N')
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seq
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finished := true
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puts("*nThanks for playing --- goodbye!*n")
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true
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puts("*nExcellent! ")
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