prog8/examples/textelite.p8

%import textio
%zeropage basicsafe


main {
    sub start() {

        txt.lowercase()

        ; uword ww = goatsoup.getword($a3, 2)

        goatsoup.set_seed($2211, $f19e)

        goatsoup.planet_name = "saturn"
        goatsoup.print_soup()
        txt.chrout('\n')

        repeat 20 {
            txt.print(goatsoup.random_name())
            txt.chrout(' ')
        }
    }

    asmsub testX() {
        %asm {{
            stx  _saveX
            lda  #13
            jsr  txt.chrout
            lda  _saveX
            jsr  txt.print_ub
            lda  #13
            jsr  txt.chrout
            ldx  _saveX
            rts
_saveX   .byte 0
        }}
    }

}

goatsoup {
    %option force_output

    str[] words81 = ["fabled", "notable", "well known", "famous", "noted"]
    str[] words82 = ["very", "mildly", "most", "reasonably", ""]
    str[] words83 = ["ancient", "\x95", "great", "vast", "pink"]
    str[] words84 = ["\x9E \x9D plantations", "mountains", "\x9C", "\x94 forests", "oceans"]
    str[] words85 = ["shyness", "silliness", "mating traditions", "loathing of \x86", "love for \x86"]
    str[] words86 = ["food blenders", "tourists", "poetry", "discos", "\x8E"]
    str[] words87 = ["talking tree", "crab", "bat", "lobst", "\xB2"]
    str[] words88 = ["beset", "plagued", "ravaged", "cursed", "scourged"]
    str[] words89 = ["\x96 civil war", "\x9B \x98 \x99s", "a \x9B disease", "\x96 earthquakes", "\x96 solar activity"]
    str[] words8A = ["its \x83 \x84", "the \xB1 \x98 \x99","its inhabitants' \x9A \x85", "\xA1", "its \x8D \x8E"]
    str[] words8B = ["juice", "brandy", "water", "brew", "gargle blasters"]
    str[] words8C = ["\xB2", "\xB1 \x99", "\xB1 \xB2", "\xB1 \x9B", "\x9B \xB2"]
    str[] words8D = ["fabulous", "exotic", "hoopy", "unusual", "exciting"]
    str[] words8E = ["cuisine", "night life", "casinos", "sit coms", " \xA1 "]
    str[] words8F = ["\xB0", "The planet \xB0", "The world \xB0", "This planet", "This world"]
    str[] words90 = ["n unremarkable", " boring", " dull", " tedious", " revolting"]
    str[] words91 = ["planet", "world", "place", "little planet", "dump"]
    str[] words92 = ["wasp", "moth", "grub", "ant", "\xB2"]
    str[] words93 = ["poet", "arts graduate", "yak", "snail", "slug"]
    str[] words94 = ["tropical", "dense", "rain", "impenetrable", "exuberant"]
    str[] words95 = ["funny", "wierd", "unusual", "strange", "peculiar"]
    str[] words96 = ["frequent", "occasional", "unpredictable", "dreadful", "deadly"]
    str[] words97 = ["\x82 \x81 for \x8A", "\x82 \x81 for \x8A and \x8A", "\x88 by \x89", "\x82 \x81 for \x8A but \x88 by \x89","a\x90 \x91"]
    str[] words98 = ["\x9B", "mountain", "edible", "tree", "spotted"]
    str[] words99 = ["\x9F", "\xA0", "\x87oid", "\x93", "\x92"]
    str[] words9A = ["ancient", "exceptional", "eccentric", "ingrained", "\x95"]
    str[] words9B = ["killer", "deadly", "evil", "lethal", "vicious"]
    str[] words9C = ["parking meters", "dust clouds", "ice bergs", "rock formations", "volcanoes"]
    str[] words9D = ["plant", "tulip", "banana", "corn", "\xB2weed"]
    str[] words9E = ["\xB2", "\xB1 \xB2", "\xB1 \x9B", "inhabitant", "\xB1 \xB2"]
    str[] words9F = ["shrew", "beast", "bison", "snake", "wolf"]
    str[] wordsA0 = ["leopard", "cat", "monkey", "goat", "fish"]
    str[] wordsA1 = ["\x8C \x8B", "\xB1 \x9F \xA2","its \x8D \xA0 \xA2", "\xA3 \xA4", "\x8C \x8B"]
    str[] wordsA2 = ["meat", "cutlet", "steak", "burgers", "soup"]
    str[] wordsA3 = ["ice", "mud", "Zero-G", "vacuum", "\xB1 ultra"]
    str[] wordsA4 = ["hockey", "cricket", "karate", "polo", "tennis"]

    uword[] wordlists = [
        words81, words82, words83, words84, words85, words86, words87, words88,
        words89, words8A, words8B, words8C, words8D, words8E, words8F, words90,
        words91, words92, words93, words94, words95, words96, words97, words98,
        words99, words9A, words9B, words9C, words9D, words9E, words9F, wordsA0,
        wordsA1, wordsA2, wordsA3, wordsA4]

    str pairs0 = "abouseitiletstonlonuthnoallexegezacebisousesarmaindirea.eratenbe"
    ubyte[4] goatsoup_rnd = [0, 0, 0, 0]
    ubyte[4] goatsoup_seed = [0, 0, 0, 0]

    str planet_name = "        "        ; 8 max

    sub set_seed(uword s1, uword s2) {
        goatsoup_seed[0] = lsb(s1)
        goatsoup_seed[1] = msb(s1)
        goatsoup_seed[2] = lsb(s2)
        goatsoup_seed[3] = msb(s2)
        reset_rnd()
    }

    sub reset_rnd() {
        goatsoup_rnd[0] = goatsoup_seed[0]
        goatsoup_rnd[1] = goatsoup_seed[1]
        goatsoup_rnd[2] = goatsoup_seed[2]
        goatsoup_rnd[3] = goatsoup_seed[3]
    }

    sub random_name() -> str {
        ubyte ii
        str name = "        "       ; 8 chars max
        ubyte nx = 0
        for ii in 0 to gen_rnd_number() & 3 {
            ubyte x = gen_rnd_number() & $3e
            if pairs0[x] != '.' {
                name[nx] = pairs0[x]
                nx++
            }
            if pairs0[x+1] != '.' {
                name[nx] = pairs0[x+1]
                nx++
            }
        }
        name[nx] = 0
        name[0] |= 32       ; uppercase first letter
        return name
    }

    sub gen_rnd_number() -> ubyte {
        ubyte x = goatsoup_rnd[0] * 2
        uword a = x as uword + goatsoup_rnd[2]
        if goatsoup_rnd[0] > 127
            a ++
        goatsoup_rnd[0] = lsb(a)
        goatsoup_rnd[2] = x
        x = goatsoup_rnd[1]
        ubyte ac = x + goatsoup_rnd[3] + msb(a)
        goatsoup_rnd[1] = ac
        goatsoup_rnd[3] = x
        return ac
    }

    sub print_soup() {
        str source = "\x8F is \x97."
        reset_rnd()
        ubyte c
        for c in source {
            if c == $00
                break
            else if c <= $80
                txt.chrout(c)
            else {
                if c <= $a4 {
                    ubyte rnr = gen_rnd_number()
                    ubyte wordNr = (rnr >= $33) + (rnr >= $66) + (rnr >= $99) + (rnr >= $CC)
                    ; new source = getword(c, wordNr)
                    ; TODO recursive call...:
                    print_soup()
                    ; print_soup(source2)
                } else {
                    if c == $b0 {
                        txt.chrout(planet_name[0] | 32)
                        txt.print(&planet_name + 1)
                    }
                    else if c == $b1 {
                        ; planet name + ian
                        txt.chrout(planet_name[0] | 32)
                        ubyte ni
                        for ni in 1 to len(planet_name) {
                            ubyte cc = planet_name[ni]
                            if cc=='e' or cc=='o' or cc==0
                                break
                            else
                                txt.chrout(cc)
                        }
                        txt.print("ian")
                    }
                    else if c == $b2 {
                        txt.print(random_name())
                    }
                    ; else BAD CHAR DATA
                }
            }
        }
    }

    asmsub getword(ubyte list @A, ubyte wordidx @Y) -> str @AY {
        %asm {{
            sty  P8ZP_SCRATCH_REG
            sec
            sbc  #$81
            asl  a
            tay
            lda  wordlists,y
            sta  P8ZP_SCRATCH_W1
            lda  wordlists+1,y
            sta  P8ZP_SCRATCH_W1+1
            lda  P8ZP_SCRATCH_REG
            asl  a
            tay
            lda  (P8ZP_SCRATCH_W1),y
            pha
            iny
            lda  (P8ZP_SCRATCH_W1),y
            tay
            pla
            rts
        }}
    }
}