Filter
Top Products
Chapter 17 Appendices
XVII - 20
Instruction Set
MN101C SERIES INSTRUCTION SET
Group Mnemonic Operation
Flag
VF
NF CF ZF
Code
Size
Cycle
Re-
peat
Machine Code
Notes
1
234567891011
Exten-
sion
TBNZ (abs8)bp,label
if(mem8(abs8)bp=1),PC+8+d11(label)+H
→
PC
00
8 6/7
0001
1bp. <abs 8..> <d11 .... ...H0011
if(mem8(abs8)bp=0),PC+8
→
PC
TBNZ (io8)bp,label
if(mem8(io)bp=1),PC+8+d11(label)+H
→
PC
00
8 6/7
0101
1bp. <io8 ...> <d11 .... ...H0011
if(mem8(io)bp=0),PC+8
→
PC
TBNZ (abs16)bp,
label
*2
*2
*2
if(mem8(abs16)bp=1),PC+10+d11(label)+H
→
PC
00
10 7/8
1111
1bp. <abs 16.. .... ...> <d11 .... ...H0011
if(mem8(abs16)bp=0),PC+10
→
PC
JSR (An)
JSR
SP-3→SP,(PC+3).bp7-0→mem8(SP)
--- --- --- ---
37
0001
00A10010
(PC+3).bp15-8
→
mem8(SP+1)
(PC+3).H
→
mem8(SP+2).bp7,
0
→
mem8(SP+2).bp6-2,
(PC+3).bp17-16
→
mem8(SP+2).bp1-0
0→PC.bp17-16
An→PC.bp15-0,0→PC.H
JSR label
SP-3→SP,(PC+5).bp7-0→mem8(SP)
--- --- --- ---
56
0001
000H <d12 .... ...>
(PC+5).bp15-8
→
mem8(SP+1)
(PC+5).H
→
mem8(SP+2).bp7,
0
→
mem8(SP+2).bp6-2,
(PC+5).bp17-16
→
mem8(SP+2).bp1-0
PC+5+d12(label)+H
→
PC
JSR label
SP-3→SP,(PC+6).bp7-0→mem8(SP)
--- --- --- ---
67
0001
001H <d16 .... .... ...>
(PC+6).bp15-8
→
mem8(SP+1)
(PC+6).H
→
mem8(SP+2).bp7,
0
→
mem8(SP+2).bp6-2,
(PC+6).bp17-16
→
mem8(SP+2).bp1-0
PC+6+d16(label)+H
→
PC
JSR label
*3
*4
*5
SP-3→SP,(PC+7).bp7-0→mem8(SP)
--- --- --- ---
78
1001
1aaH <abs 18.b p15~ 0..>0011
(PC+7).bp15-8
→
mem8(SP+1)
(PC+7).H
→
mem8(SP+2).bp7,
0
→
mem8(SP+2).bp6-2,
(PC+7).bp17-16
→
mem8(SP+2).bp1-0
abs18(label)+H
→
PC
JSRV (tbl4)
SP-3→SP,(PC+3).bp7-0→mem8(SP)
--- --- --- ---
39
1111
1110 <t4>
(PC+3).bp15-8
→
mem8(SP+1)
(PC+3).H
→
mem8(SP+2).bp7
(PC+3).bp17-16
→
mem8(SP+2).bp1-0
mem8(x'004080+tbl4<<2)→PC.bp7-0
mem8(x'004080+tbl4<<2+1)
→
PC.bp15-8
mem8(x'004080+tbl4<<2+2).bp7
→
PC.H
mem8(x'004080+tbl4<<2+2).bp1-0→
PC.bp17-16
*2 d11 sign-extension
*4 d16 sign-extension
*5 aa=abs18.17 - 16
TBZ (abs16)bp,label
TBZ
if(mem8(abs16)bp=0),PC+9+d7(label)+H
→
PC
00
9 7/8
1110
0bp. <abs 16.. .... ...> <d7. ...H0011
if(mem8(abs16)bp=1),PC+9
→
PC
TBZ (io8)bp,label
if(mem8(IOTOP+io8)bp=0),PC+8+d11(label)+H
→
PC
00
8 6/7
0100
1bp. <io8 ...> <d11 .... ...H0011
if(mem8(IOTOP+io8)bp=1),PC+8
→
PC
TBZ (abs16)bp,label
if(mem8(abs16)bp=0),PC+10+d11(label)+H
→
PC
00
10 7/8
1110
1bp. <abs 16.. .... ...> <d11 .... ...H0011
if(mem8(abs16)bp=1),PC+10
→
PC
TBNZ (abs8)bp,label
TBNZ
if(mem8(abs8)bp=1),PC+7+d7(label)+H
→
PC
00
7 6/7
0001
0bp. <abs 8..> <d7. ...H0011
if(mem8(abs8)bp=0),PC+7
→
PC
TBNZ (io8)bp,label
if(mem8(io)bp=1),PC+7+d7(label)+H
→
PC
00
7 6/7
0101
0bp. <io8 ...> <d7. ...H0011
if(mem8(io)bp=0),PC+7
→
PC
TBNZ (abs16)bp,label
*1
*2
*2
*1
*1
*1
if(mem8(abs16)bp=1),PC+9+d7(label)+H
→
PC
00
9 7/8
1111
0bp. <abs 16.. .... ...> <d7. ...H0011
if(mem8(abs16)bp=0),PC+9
→
PC
JMP
(An)
JMP
0→PC.17-16,An→PC.15-0,0→PC.H
--- --- --- ---
34
0001
00A00010
JMP
label
abs18(label)+H
→
PC
--- --- --- ---
75
1001
0aaH <abs 18.b p15~ 0..>0011
NOP
NOP PC+2
→
PC
--- --- --- ---
21
0000
0000
*1 d7 sign-extension
TBZ (io8)bp,label
if(mem8(IOTOP+io8)bp=0),PC+7+d7(label)+H→PC
00
7 6/7
0100
0bp. <io8 ...> <d7. ...H0011
if(mem8(IOTOP+io8)bp=1),PC+7→PC
*1
*5
0
→
mem8(SP+2).bp6-2,
*3 d12 sign-extension