//
// Demonstrates vector tables.
// Prints "AABAB".
//

// TODO: this doesn't pass the analyzer currently, which suggests a bug.
//
//     RangeExceededError: Possible range of x:byte (0, 255) exceeds
//     acceptable range of vectors:vector table[32] (0, 31) (in main, line 57)
//
// (despite various attempts to work around by calling a setup routine, etc.)
// It should really be able to figure out that the range of x is 0..4 there.

vector routine
  trashes a, z, n
    print

vector (routine
  trashes a, z, n)
    table[32] vectors

define chrout routine
  inputs a
  trashes a
  @ 65490

define printa routine
  trashes a, z, n
{
    ld a, 65
    call chrout
}

define printb routine
  trashes a, z, n
{
    ld a, 66
    call chrout
}

define main routine
  inputs vectors
  outputs vectors
  trashes print, a, x, z, n, c
{
    ld x, 0
    copy printa, vectors + x
    inc x
    copy printa, print
    copy print, vectors + x
    inc x
    copy printb, print
    copy print, vectors + x
    inc x
    copy printa, vectors + x
    inc x
    copy printb, vectors + x

    ld x, 0
    for x up to 4 {
        copy vectors + x, print
        call print
    }
}