IN:
A = FN_AH ($01), allocate handle
B = handle type
B = 0, does not allocate a handle properly - the next handle is
given the SAME number
OUT, if successful:
Fc = 0
IX = handle
OUT, if failed:
Fc = 1
A = RC_ROOM
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different
IN:
A = FN_VH ($02), verify handle
B = handle type
IX = handle
OUT, if successful:
Fc = 0
OUT, if failed
Fc = 1
A = RC_ROOM
Registers changed after return:
..BCDEHL/IXIY same
AF....../.... different
IN:
A = FN_FH ($03), free handle
B = handle type
IX = handle
OUT, if successful:
Fc = 0
IX = 0
OUT, if failed:
Fc = 1
A = RC_HAND
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different
IN:
A = FN_GH ($04), get (find) handle (OZ 4.6 and newer)
IX = first handle to test, 0 to begin with first handle
B = handle type
C = dyn id, 0 to bypass the check
OUT, if successful:
Fc = 0
IX = handle
OUT, if failed:
Fc = 1
A = RC_EOF
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different
IN:
A = FN_NH ($05), get next handle of same type (OZ 4.6 and newer)
IX = handle to test
OUT, if successful:
Fc = 0
IX = handle
OUT, if failed:
Fc = 1
A = RC_EOF
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different |