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Length: 931 (0x3a3)
Types: TextFile
Notes: UNIX file
Names: »psr.h«
└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
└─⟦28c352965⟧ »/a« UNIX Filesystem
└─⟦this⟧ »usr/include/sys/psr.h«
/*
* @(#)psr.h 3.2 7/14/83
* @(#)Copyright (C) 1983 by National Semiconductor Corp.
*/
#ifdef LOCORE
;
; 16032 psr configuration
;
psr_c: .equ 1 shl 0 ; carry
psr_t: .equ 1 shl 1 ; trace
psr_l: .equ 1 shl 2 ; lower
psr_f: .equ 1 shl 5 ; flag
psr_z: .equ 1 shl 6 ; zero
psr_n: .equ 1 shl 7 ; negative
psr_u: .equ 1 shl 8 ; user/supervisor
psr_s: .equ 1 shl 9 ; sp0/sp1
psr_p: .equ 1 shl 10 ; pending
psr_i: .equ 1 shl 11 ; ion
#else
#define PSR_C (1 << 0 ) /* carry */
#define PSR_T (1 << 1 ) /* trace */
#define PSR_L (1 << 2 ) /* lower */
#define PSR_F (1 << 5 ) /* flag */
#define PSR_Z (1 << 6 ) /* zero */
#define PSR_N (1 << 7 ) /* negative */
#define PSR_U (1 << 8 ) /* user/supervisor */
#define PSR_S (1 << 9 ) /* sp0/sp1 */
#define PSR_P (1 << 10) /* pending */
#define PSR_I (1 << 11) /* ion */
struct modpsr {
u_short mod,psr;
};
#define PSR(s) s.psr
#define MOD(m) m.mod
#endif