System information

Table 3-4. Jumps, Calls, and Returns (continued)
Bit
Form Value Example Meaning
CPE e16 CPE $4 Call subroutine if parity even
CP e16 CP GAMMA Call subroutine if positive result
CM e16 CM b1$c2 Call subroutine if minus flag
RST e3 RST 0 Programmed restart, equivalent to CALL 8*e3, except one byte
call
RET Return from subroutine
RNZ Return if nonzero flag set
RZ Return if zero flag set
RNC Return if no carry
RC Return if carry flag set
RPO Return if parity is odd
RPE Return if parity is even
RP Return if positive result
RM Return if minus flag is set
3.5 Operation Codes CP/M Operating System Manual
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