bits.s

来自「工具链BINUTIS-2.16的源代码」· S 代码 · 共 93 行

;# bits.s
;# checks all the bit operations in MAXQ20

.text
foo:
 MOVE C, ACC.0	
 MOVE C, ACC.1
 MOVE C, ACC.2
 MOVE C, ACC.3
 MOVE C, ACC.4
 MOVE C, ACC.5
 MOVE C, ACC.6
 MOVE C, ACC.7		;8 bits on a MAXQ10 machine
 MOVE C, ACC.8		
 MOVE C, ACC.9
 MOVE C, ACC.10
 MOVE C, ACC.11
 MOVE C, ACC.12
 MOVE C, ACC.13
 MOVE C, ACC.14
 MOVE C, ACC.15 
 MOVE C, #0
 MOVE C, #1
 MOVE ACC.0, C	
 MOVE ACC.1, C 
 MOVE ACC.2, C
 MOVE ACC.3, C
 MOVE ACC.4, C
 MOVE ACC.5, C
 MOVE ACC.6, C
 MOVE ACC.7, C		;8 bits on a MAXQ10 machine
 MOVE ACC.8, C		
 MOVE ACC.9, C
 MOVE ACC.10, C
 MOVE ACC.11, C
 MOVE ACC.12, C
 MOVE ACC.13, C
 MOVE ACC.14, C
 MOVE ACC.15, C
 CPL C
 AND ACC.0	;AND with carry
 AND ACC.1	
 AND ACC.2	
 AND ACC.3	
 AND ACC.4	
 AND ACC.5	
 AND ACC.6	
 AND ACC.7	
 AND ACC.8	
 AND ACC.9	
 AND ACC.10	
 AND ACC.11	
 AND ACC.12	
 AND ACC.13	
 AND ACC.14	
 AND ACC.15	
 OR ACC.0	;OR with carry
 OR ACC.1	
 OR ACC.2	
 OR ACC.3	
 OR ACC.4	
 OR ACC.5	
 OR ACC.6	
 OR ACC.7	
 OR ACC.8	
 OR ACC.9	
 OR ACC.10	
 OR ACC.11	
 OR ACC.12	
 OR ACC.13	
 OR ACC.14	
 OR  ACC.15	
 XOR ACC.0	;XOR with carry
 XOR ACC.1	
 XOR ACC.2	
 XOR ACC.3	
 XOR ACC.4	
 XOR ACC.5	
 XOR ACC.6	
 XOR ACC.7	
 XOR ACC.8	
 XOR ACC.9	
 XOR ACC.10	
 XOR ACC.11	 
 XOR ACC.12	
 XOR ACC.13	
 XOR ACC.14	;Error condition when ACC.n and n>15
 XOR ACC.15	
 MOVE C, SC.1
 MOVE C, IMR.0
 MOVE C, IC.0
 MOVE C, PSF.0		;move program status flag bit 0