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µPD750008 USER'S MANUAL
In
Mne-
struc-
Operand
monic
tion
Note
RETS
Note
RETI
Note The shaded portion is supported in Mk II mode only. The other portions are supported in Mk I mode
only.
254
Number
Machine
of
cycle
bytes
1
3+S
• µPD750004
MBE, RBE, 0, 0 <– (SP+1)
PC
11-0
SP <– SP+4
Then skip unconditionally
• µPD750006, µPD750008
MBE, 0, 0, PC
PC
11-0
SP <– SP+4
Then skip unconditionally
• µPD75P0016
MBE, RBE, PC
PC
11-0
SP <– SP+4
Then skip unconditionally
3+S
• µPD750004
0, 0, 0, 0 <– (SP+1)
PC
11-0
x, x, MBE, RBE <– (SP+4)
SP <– SP+6
Then skip unconditionally
• µPD750006, µPD750008
0, 0, 0, PC
PC
11-0
x, x, MBE, RBE <– (SP+4)
SP <– SP+6
Then skip unconditionally
• µPD75P0016
0, 0, PC
PC
11-0
x, x, MBE, RBE <– (SP+4)
SP <– SP+6
Then skip unconditionally
1
3
• µPD750004
MBE, RBE, 0, 0 <– (SP+1)
PC
11-0
PSW <– (SP+4)(SP+5), SP <– SP+6
• µPD750006, µPD750008
MBE, RBE, 0, PC
PC
11-0
PSW <– (SP+4)(SP+5), SP <– SP+6
• µPD75P0016
MBE, RBE, PC
PC
11-0
PSW <– (SP+4)(SP+5), SP <– SP+6
Operation
<– (SP)(SP+3)(SP+2)
<– (SP+1)
12
<– (SP)(SP+3)(SP+2)
, PC
<– (SP+1)
13
12
<– (SP)(SP+3)(SP+2)
<– (SP)(SP+3)(SP+2)
<– (SP+1)
12
<– (SP)(SP+3)(SP+2)
, PC
<– (SP+1)
13
12
<– (SP)(SP+3)(SP+2)
<– (SP)(SP+3)(SP+2)
<– (SP+1)
12
<– (SP)(SP+3)(SP+2)
, PC
<– (SP+1)
13
12
<– (SP)(SP+3)(SP+2)
Address-
ing
Skip condition
area
Unconditionally
Unconditionally
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