Datasheet

ST72334J/N, ST72314J/N, ST72124J
105/153
INSTRUCTION GROUPS (Cont’d)
Mnemo Description Function/Example Dst Src H I N Z C
ADC Add with Carry A = A + M + C A M H N Z C
ADD Addition A = A + M A M H N Z C
AND Logical And A = A . M A M N Z
BCP Bit compare A, Memory tst (A . M) A M N Z
BRES Bit Reset bres Byte, #3 M
BSET Bit Set bset Byte, #3 M
BTJF Jump if bit is false (0) btjf Byte, #3, Jmp1 M C
BTJT Jump if bit is true (1) btjt Byte, #3, Jmp1 M C
CALL Call subroutine
CALLR Call subroutine relative
CLR Clear reg, M 0 1
CP Arithmetic Compare tst(Reg - M) reg M N Z C
CPL One Complement A = FFH-A reg, M N Z 1
DEC Decrement dec Y reg, M N Z
HALT Halt 0
IRET Interrupt routine return Pop CC, A, X, PC H I N Z C
INC Increment inc X reg, M N Z
JP Absolute Jump jp [TBL.w]
JRA Jump relative always
JRT Jump relative
JRF Never jump jrf *
JRIH Jump if ext. interrupt = 1
JRIL Jump if ext. interrupt = 0
JRH Jump if H = 1 H = 1 ?
JRNH Jump if H = 0 H = 0 ?
JRM Jump if I = 1 I = 1 ?
JRNM Jump if I = 0 I = 0 ?
JRMI Jump if N = 1 (minus) N = 1 ?
JRPL Jump if N = 0 (plus) N = 0 ?
JREQ Jump if Z = 1 (equal) Z = 1 ?
JRNE Jump if Z = 0 (not equal) Z = 0 ?
JRC Jump if C = 1 C = 1 ?
JRNC Jump if C = 0 C = 0 ?
JRULT Jump if C = 1 Unsigned <
JRUGE Jump if C = 0 Jmp if unsigned >=
JRUGT Jump if (C + Z = 0) Unsigned >