usr/src/sys/h/psl.m

#
#       psl.m   4.1     11/9/80
#
#
#       VAX program status longword
#

        .set    PSL_C,0x1               # carry bit
        .set    PSL_V,0x2               # overflow bit
        .set    PSL_Z,0x4               # zero bit
        .set    PSL_N,0x8               # negative bit
        .set    PSL_T,0x10              # trace enable bit
        .set    PSL_IV,0x20             # integer overflow enable bit
        .set    PSL_FU,0x40             # floating point underflow enable bit
        .set    PSL_DV,0x80             # decimal overflow enable bit
        .set    PSL_IPL,0x1f0000        # interrupt priority level
        .set    PSL_PRVMOD,0xc00000     # previous mode
        .set    PSL_CURMOD,0x3000000    # current mode
        .set    PSL_IS,0x4000000        # interrupt stack
        .set    PSL_FPD,0x8000000       # first part done
        .set    PSL_TP,0x40000000       # trace pending
        .set    PSL_CM,0x80000000       # compatibility mode