Zilog Z80380 Manuale Utente Pagina 169

  • Scaricare
  • Aggiungi ai miei manuali
  • Stampa
  • Pagina
    / 268
  • Indice
  • SEGNALIBRI
  • Valutato. / 5. Basato su recensioni clienti
Vedere la pagina 168
5-135
Z380
USER'S MANUAL
ZILOG
DC-8297-03
PUSH
PUSH CONTROL REGISTER
PUSH src src = SR
Operation: if (LW) then begin
SP SP - 4
(SP) src(7-0)
(SP+1) src(15-8)
(SP+2) src(23-16)
(SP+3) src(31-24)
end
else begin
SP SP - 2
(SP) src(7-0)
(SP+1) src(15-8)
end
The Stack Pointer (SP) is decremented by two (by four in Long Word mode) and the source
is loaded into the memory locations addressed by the SP in ascending byte order in
ascending address memory locations. The contents of the source are unaffected.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Addressing Execute
Mode Syntax Instruction Format Time Note
PUSH SR 11101101 11000101 3+w L
Vedere la pagina 168
1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 267 268

Commenti su questo manuale

Nessun commento