millfork/include/stdio.mfk

// target-independent standard I/O routines

import string
#if ZX_SPECTRUM
import stdio_zxspectrum
#endif


#if not(ZX_SPECTRUM)

void putstr(pointer str, byte len) {
    byte index
    index = 0
    while (index != len) {
        putchar(str[index])
        index += 1
    }
}
#endif

#if NEC_PC_88
asm void putstrz(pointer hl) @$5550 extern
#endif

#if not(ZX_SPECTRUM) && not(NEC_PC_88)
void putstrz(pointer str) {
    byte index
    index = 0
    while str[index] != nullchar {
        putchar(str[index])
        index += 1
    }
}

#endif

void putword(word w) {
    byte digits
    byte lastdigit
    digits = 0
    word mask
    for mask:[40000,4000,400,40,4] {
        lastdigit = 0
        while w >= mask {
            w -= mask
            lastdigit += 4
        }
        mask >>= 2
        while w >= mask {
            w -= mask
            lastdigit += 1
        }
        if digits != 0 || lastdigit != 0 {
            putchar('0' + lastdigit)
            digits += 1
        }
    }
    if digits == 0 {
        putchar('0')
    }
}

void putsigned16(signed16 x) {
    if x < 0 {
        putchar('-')
        x = 0000-x
    }
    putword(x)
}

#if CBM_PET
inline asm void ensure_mixedcase() {
    ? lda #14
    ! sta 59468
    ? rts
}
#elseif CBM
inline void ensure_mixedcase() {
    putchar(14)
}
#else
inline void ensure_mixedcase() {
}
#endif