义隆单片机EM78 的开发指令集

来源：日期：2021-9-9

EM78系列是义隆电子公司所推出的八位元微控制器，此IC是采用先进的CMOS技术制造，因此具有低功率消耗、高执行速度的特性。其内含看门狗计时器、可程式计数器、低功率消耗模式及双向三态I/O等强大功

12	11	10	9	8	7	6	5	4	3	2	1	0	Mnemonic	C?	Z?	Deion

0	0	0	0	0	0	0	opcode						Miscellaneous instructions
0	0	0	0	0	0	0	0	0	0	0	0	0	NOP^*			No operation (MOVW 0,W)
0	0	0	0	0	0	0	0	0	0	0	0	1	DAA^†	C
0	0	0	0	0	0	0	0	0	0	0	1	0	CONTW^*			Write CONT register (CONT ← W)
0	0	0	0	0	0	0	0	0	0	0	1	1	SLEEP^*			Go into standby mode (WDT ← 0, stop clock)
0	0	0	0	0	0	0	0	0	0	1	0	0	CLRWDT^*			Restart watchdog timer (WDT ← 0)
0	0	0	0	0	0	0	0	0	f				IOW f^*			Copy W to I/O control register (f = 5–7, 11–15)
0	0	0	0	0	0	0	0	1	0	0	0	0	ENI^†			Enable interrupts
0	0	0	0	0	0	0	0	1	0	0	0	1	DISI^†			Disable interrupts
0	0	0	0	0	0	0	0	1	0	0	1	0	RET			Return from subroutine, W unmodified
0	0	0	0	0	0	0	0	1	0	0	1	1	RETI			Return from interrupt; return & enable interrupts
0	0	0	0	0	0	0	0	1	0	1	0	0	CONTR^†			Read CONT register (W ← CONT)
0	0	0	0	0	0	0	0	1	f				IOR f^†			Copy I/O control register to W (f = 5–7, 11–15)
0	0	0	0	0	0	0	1	0	0	0	0	0	TBL^†	C	Z	PCL += W. preserve PC bits 8 & 9

0	0	opcode				d	register						ALU operations same as 12- and 14-bit PIC
0	1	op		bit			register						Bit operations same as 12- and 14-bit PIC
1	0	op	k										Control transfers same as 14-bit PIC

1	1	opcode			8-bit immediate								Operations with W and 8-bit literal: W ← OP(k,W)
1	1	0	op		k								MOV/IOR/AND/XOR, same as 12-bit PIC
1	1	1	0	0	k								RETLW k			W ← k, then return from subroutine
1	1	1	0	1	k								SUBLW k	C	Z	W ← k−W (W ← k+~W+1)
1	1	1	1	0	k								INT k^†			Push PC, PC ← k (software interrupt, usually k=1)
1	1	1	1	1	k								ADDLW k	C	Z	W ← k+W

12	11	10	9	8	7	6	5	4	3	2	1	0	Mnemonic	C?	Z	Deion