/sys$common/syshlp/helplib.hlb MACRO, VAX MACRO Assembler, Instructions, MNEGx  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Purpose:        Move the arithmetic negation of a scalar quantity
    Format:         opcode src.rx,dst.wx
    Operation:      dst = -scr
    C. Codes:       N = {dst LSS 0}, Z = {dst EQL 0}, V = 0 (floating),
                    V = overflow (integer), C = {dst NEQ 0} (integer),
                    C = 0 (floating)
    Exceptions:     Integer overflow, reserved operand (floating)
    Opcodes:        8E    MNEGB    Move negated byte
                    AE    MNEGW    Move negated word
                    CE    MNEGL    Move negated long
                    52    MNEGF    Move negated F_floating
                    72    MNEGD    Move negated D_floating
                    52FD  MNEGG    Move negated G_floating
                    72FD  MNEGH    Move negated H_floating
    Description:    The destination operand is replaced by the
                    negative of the source operand.