Fairchild Semiconductor F8

F8 Instruction Opcode Summary

NOTES: The folowing symbols are used in this table:

When the "machine cycle" column contains two numbers, the first is if the branch is not taken the other number is if it is.

F8 Instruction Object Code List
Instruction Object Code Bytes Machine Cycles   Instruction Object Code Bytes Machine Cycles
ADC 8E 1 2.5   LR A, DPCHR 0000 00cc 1 1
AI data8 24 YY 2 2.5   LR A, IS 0A 1 1
AM 88 1 2.5   LR A, r 0100 aaaa 1 1
AMD 89 1 2.5   LR DC, H 10 1 4
AS r 1100 aaaa 1 1   LR DC, Q 0F 1 4
ASD r 1101 aaaa 1 2   LR, DPCHR, A 0000 01cc 1 1
BC disp 82 RR 2 3/3.5   LR H, DC 11 1 4
BF data4, disp 1001 dddd RR 2 3/3.5   LR IS, A 0B 1 1
BM disp 91 RR 2 3/3.5   LR J, W 1E 1 1
BNC disp 92 RR 2 3/3.5   LR K, PC1 08 1 4
BNO disp 98 RR 2 3/3.5   LR PC0, Q 0D 1 4
BNZ disp 94 RR 2 3/3.5   LR PC1, K 09 1 4
BP disp 81 RR 2 3/3.5   LR r, A 0101 aaaa 1 1
BR disp 90 RR 2 3.5   LR W, J 1D 1 2
BR7 disp 8F RR 2 3/3.5   NI data8 21 YY 2 2.5
BT data3, disp 1000 0ddd RR 2 3/3.5   NM 8A 1 2.5
BZ disp 84 RR 2 3/3.5   NOP 2B 1 1
CI data8 25 YY 2 2.5   NS r 1111 aaaa 1 1
CLR 70 1 1   OI data8 22 YY 2 2.5
CM 8D 1 2.5   OM 8B 1 2.5
COM 18 1 1   OUT P8 27 SS 2 4
DCI addr 2A QQQQ 3 6   OUTS P4 1011 eeee 1 4
DI 1A 1 2   PI addr 28 QQQQ 3 6.5
DS r 0011 aaaa 1 1.5   PK 0C 1 4
EI 1B 1 2   POP 1C 1 2
IN P8 26 ss 2 4   SL 1 13 1 1
INC 1F 1 1   SL 4 15 1 1
INS P4 1010 eeee 1 4   SR 1 12 1 1
JMP addr 29 QQQQ 3 5.5   SR 4 14 1 1
LI data8 20 YY 2 2.5   ST 17 1 2.5
LIS data4 0111 dddd 1 1   XDC 2C 1 2
LISL data3 0110 1ddd 1 1   XI data8 23 YY 2 2.5
LISU data3 0110 0ddd 1 1   XM 8C 1 2.5
LM 16 1 2.5   XS r 1110 aaaa 1 1
LNK 19 1 1          

Colophon

Disclaimer: This document in no way represents Nyx. All opinions and errors are mine alone.
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