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Carry flag CY
4513/4514 Group User’s Manual
HARDWARE
1-75
MACHINE INSTRUCTIONS
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Skip at uncondition
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(EXF0) = 1
(EXF1) = 1
Branch within a page : Branches to address a in the identical page.
Branch out of a page : Branches to address a in page p.
Branch out of a page : Branches to address (DR2 DR1 DR0 A3 A2 A1 A0)2 specified by registers D and A in
page p.
Call the subroutine in page 2 : Calls the subroutine at address a in page 2.
Call the subroutine : Calls the subroutine at address a in page p.
Call the subroutine : Calls the subroutine at address (DR2 DR1 DR0 A3 A2 A1 A0)2 specified by registers D
and A in page p.
Returns from interrupt service routine to main routine.
Returns each value of data pointer (X, Y, Z), carry flag, skip status, NOP mode status by the continuous de-
scription of the LA/LXY instruction, register A and register B to the states just before interrupt.
Returns from subroutine to the routine called the subroutine.
Returns from subroutine to the routine called the subroutine, and skips the next instruction at uncondition.
Clears (0) to the interrupt enable flag INTE, and disables the interrupt.
Sets (1) to the interrupt enable flag INTE, and enables the interrupt.
Skips the next instruction when the contents of EXF0 flag is “1.”
After skipping, clears (0) to the EXF0 flag.
Skips the next instruction when the contents of EXF1 flag is “1.”
After skipping, clears (0) to the EXF1 flag.
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