Zilog Z80380 Manual do Utilizador Página 64

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 268
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 63
5-30
Z380
USER'S MANUAL
DC-8297-03
ZILOG
BTEST
BANK TEST
BTEST
Operation: S SR(16)
Z SR(24)
V SR(0)
C SR(8)
The Alternate Register bits in the Select Register (SR) are transferred to the flags. This allows
the program to determine the state of the machine.
Flags: S: Set if the alternate bank IX is in use; cleared otherwise
Z: Set if the alternate bank IY is in use; cleared otherwise
H: Unaffected
V: Set if the alternate bank AF is in use; cleared otherwise
N: Unaffected
C: Set if the alternate bank of BC, DE and HL is in use; cleared otherwise
Addressing Execute
Mode Syntax Instruction Format Time Note
BTEST 11101101 11001111 2
Vista de página 63
1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 267 268

Comentários a estes Manuais

Sem comentários