Note: Square brackets [...] denote optional arguments.
| Name | Procedure Type | Description | Argument/Function Type |
|---|---|---|---|
| Bit Operation | |||
| BIT_SIZE | Intrinsic Function | BIT_SIZE(i). Returns the number of bits in integers of type i. | i: Integer
result: same type as i |
| BTEST | Intrinsic Function | BTEST(i, pos). Tests a bit in position pos of i; true if bit is 1. | i: Integer
pos: positive Integer result: Logical |
| IAND | Intrinsic Function | IAND(i, j). Performs a logical AND. | i: Integer
j: Integer result: same type as i |
| IBCHNG | Intrinsic Function | IBCHNG(i, pos). Reverses value of bit in position pos of i. | i: Integer
pos: positive Integer result: same type as i |
| IBCLR | Intrinsic Function | IBCLR(i, pos). Clears the bit in position pos of i to zero. | i: Integer
pos: positive Integer result: same type as i |
| IBITS | Intrinsic Function | IBITS(i, pos, len). Extracts a sequence of bits of length len from i starting in position pos. | i: Integer
pos: positive Integer len: positive Integer result: same type as i |
| IBSET | Intrinsic Function | IBSET(i, pos). Sets the bit in position pos of i to one. | i: Integer
pos: positive Integer result: same type as i |
| IEOR | Intrinsic Function | IEOR(i, j). Performs an exclusive OR. | i: Integer
j: Integer result: same type as i |
| IOR | Intrinsic Function | IOR(i, j). Performs an inclusive OR. | i: Integer
j: Integer result: same type as i |
| ISHA | Intrinsic Function | ISHA(i, shift). Shifts i arithmetically left or right by shift bits; left if shift positive, right if shift negative. Zeros shifted in from the right, ones shifted in from the left. | i: Integer
shift: Integer result: same type as i |
| ISHC | Intrinsic Function | ISHC(i, shift). Performs a circular shift of i left or right by shift bits; left if shift positive, right if shift negative. No bits lost. | i: Integer
shift: Integer result: same type as i |
| ISHFT | Intrinsic Function | ISHFT(i, shift). Shifts i logically left or right by shift bits; left if shift positive, right if shift negative. Zeros shifted in from opposite end. | i: Integer
shift: Integer result: same type as i |
| ISHFTC | Intrinsic Function | ISHFTC(i, shift[, size]). Performs a circular shift of the rightmost bits of (optional) size by shift bits. No bits lost. | i: Integer
shift: Integer size: positive Integer result: same type as i |
| ISHL | Intrinsic Function | ISHL(i, shift). Shifts i logically left or right by shift bits. Zeros shifted in from opposite end. | i: Integer
shift: Integer result: same type as i |
| MVBITS | Intrinsic Subroutine | MVBITS(from, frompos, len, to, topos). Copies a sequence of bits from one integer to another. | from: Integer
frompos: positive Integer to: Integer topos: positive Integer |
| NOT | Intrinsic Function | NOT(i). Performs a logical complement. | i: Integer
result: same type as i |
| Bit Representation | |||
| LEADZ | Intrinsic Function | LEADZ(i). Returns leading zero bits in an integer. | i: Integer
result: same type as i |
| POPCNT | Intrinsic Function | POPCNT(i). Returns number of 1 bits in an integer. | i: Integer
result: same type as i |
| POPPAR | Intrinsic Function | POPPAR(i). Returns the parity of an integer. | i: Integer
result: same type as i |
| TRAILZ | Intrinsic Function | TRAILZ(i). Returns trailing zero bits in an integer. | i: Integer
result: same type as i |