Hitachi AP1 Data Book page 60

HMCS44C,HMCS44CL-------------------------------------------------------
[NOTE) 1. (XV) aft.r a mn.monic code has four m.anings as follows.
Mnemonic only Instruction .xecution only
Mn.monic with X Aft.r instruction .xecution, X - SPX
Mn.monic with Y Aft.r instruction .xecution, Y - Spy
Mn.monic with XY Aft.r instruction .xecution, X - SPX, Y - Spy
[Exampl.) LAM M - A
LAMX M - A, X - SPX
LAMY M - A, Y - Spy
LAMXY M - A, X - SPX, Y - SPY
2. StatUI column shows the factor which brings the Status F /F "1" under judg.ment instruction or instruction accompanying the judgem.nt.
NZ ........ ·ALU Not Z.ro
C ........ ·ALU Overflow in Addition, that is, Carry
NB ........ ·ALU Overflow in Subtraction, that is, No Borrow
Except above ........ ·Cont.nts of the status column affects the Status F/F directly.
3. The Carry F/F (C(F/F)) is not always affected by executing the instruction which affects the Status F/F.
Instructions which affect the Carry F/F ar •• ight as follows.
AMC SEC
SMC REC
DAA ROTL
DAS ROTR
4. All instructions exc.pt the patt.rn instruction (P) are ex.cut.d in 1 instruction cycl.. Th. pattern instruction (P) is executed
in 2 instruction cycles.
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