regsave.asm

DSP实验开发程序:信号发生器.学习使用CCS

	.title		"macro"
	.sect	"macro"
reg_restore .macro
	popm	ar7
	popm	ar6
	popm	ar5
	popm	ar4
	popm	ar3
	popm	ar2
	popm	ar1
	popm	ar0
	POPM PMST 		;Restore PMST register
	POPM RSA 		;Restore block repeat start address	
	POPM REA 		;Restore block repeat end address
	POPM BRC 		;Restore block repeat counter
	POPM IMR 		;Restore interrupt mask register
	POPM BK 		;Restore circular size register
	POPM ST1 		;Restore ST1
	POPM ST0 		;Restore ST0
	POPM AR0 		;Restore AR0
	POPM AR1 		;Restore AR1
	POPM AR2	 	;Restore AR2
	POPM AR3		;Restore AR3
	POPM AR4 		;Restore AR4
	POPM AR5 		;Restore AR5
	POPM AR6	 	;Restore AR6
	POPM AR7 		;Restore AR7
	POPM T 			;Restore temporary register
	POPM TRN 		;Restore transition register
	POPM BL 		;Restore lower 16 bits of B
	POPM BH 		;Restore upper 16 bits of B
	POPM BG 		;Restore 8 guard bits of B
	POPM AL 		;Restore lower 16 bits of A
	POPM AH 		;Restore upper 16 bits of accA
	POPM AG 		;Restore 8 guard bits of accA
	.endm
reg_save .macro
	PSHM AG 		;Save 8 guard bits of accA
	PSHM AH 		;Save upper 16 bits of accA
	PSHM AL 		;Save lower 16 bits of accA
	PSHM BG 		;Save 8 guard bits of accB
	PSHM BH 		;Save upper 16 bits of accB
	PSHM BL 		;Save lower 16 bits of accB
	PSHM TRN 		;Save transition register
	PSHM T 			;Save temporary register
	PSHM AR7 		;Save AR7
	PSHM AR6 		;Save AR6
	PSHM AR5 		;Save AR5
	PSHM AR4 		;Save AR4
	PSHM AR3 		;Save AR3
	PSHM AR2 		;Save AR2
	PSHM AR1 		;Save AR1
	PSHM AR0 		;Save AR0
	PSHM ST0 		;Save ST0
	PSHM ST1 		;Save ST1
	PSHM BK 		;Save circular size register
	PSHM IMR 		;Save interrupt mask register
	PSHM BRC	 	;Save block repeat counter
	PSHM REA 		;Save block repeat end address
	PSHM RSA 		;Save block repeat start address
	PSHM PMST 		;Save PMST register
	pshm	ar0
	mvmm	sp,ar0
	pshm	ar1
	mvmm	sp,ar1
	pshm	ar2
	mvmm	sp,ar2
	pshm	ar3
	mvmm	sp,ar3
	pshm	ar4
	mvmm	sp,ar4
	pshm	ar5
	mvmm	sp,ar5
	pshm	ar6
	mvmm	sp,ar6
	pshm	ar7
	mvmm	sp,ar7
	.endm