253
CHAPTER 11 INSTRUCTION SET
In Mne-
Number Machine
Address-
struc- monic Operand of cycle Operation ing Skip condition
tion bytes area
CALLF
Note
!faddr 2 3 µPD750004 *9
(SP–2) –> x, x, MBE,RBE
(SP–6)(SP–3)(SP–4) <– PC
11-0
(SP–5) <– 0, 0, 0, 0
PC
11-0
<– 0+faddr, SP <– SP–6
µPD750006, µPD750008
(SP–2) –> x, x, MBE,RBE
(SP–6)(SP–3)(SP–4) <– PC
11-0
(SP–5) <– 0, 0, 0, PC
12
PC
12-0
<– 00+faddr, SP <– SP–6
µPD75P0016
(SP–2) <– x, x, MBE,RBE
(SP–6)(SP–3)(SP–4) <– PC
11-0
(SP–5) <– 0, 0, PC
13
, PC
12
PC
13-0
<– 000+faddr, SP <– SP–6
RET
Note
13 µPD750004
PC
11-0
<– (SP)(SP+3)(SP+2)
MBE,RBE, 0, 0 <– (SP+1), SP <– SP+4
µPD750006, µPD750008
PC
11-0
<– (SP)(SP+3)(SP+2)
MBE,RBE, 0, PC
12
<– (SP+1)
SP <– SP+4
µPD75P0016
PC
11-0
<– (SP)(SP+3)(SP+2)
MBE,RBE, PC
13
, PC
12
<– (SP+1)
SP <– SP+4
3• µPD750004
x, x, MBE, RBE <– (SP+4)
0, 0, 0, 0 <– (SP+1)
PC
11-0
<– (SP)(SP+3)(SP+2)
SP <– SP+6
µPD750006, µPD750008
x, x, MBE, RBE <– (SP+4)
MBE,0, 0, PC
12
<– (SP+1)
PC
11-0
<– (SP)(SP+3)(SP+2)
SP <– SP+6
µPD75P0016
x, x, MBE, RBE <– (SP+4)
0,0, PC
13
, PC
12
<– (SP+1)
PC
11-0
<– (SP)(SP+3)(SP+2)
SP <– SP+6
Note The shaded portion is supported in Mk II mode only. The other portions are supported in Mk I mode
only.
Subroutine stack control