Glossary |
PM0044 |
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2 Glossary
mnem |
mnemonic |
src |
source |
dst |
destination |
cy |
duration of the instruction in CPU clock cycles (internal clock) |
lgth |
length of the instruction in byte(s) |
op-code |
instruction byte(s) implementation (1..4 bytes), operation code. |
mem |
memory location |
imm |
immediate value |
off |
offset |
ptr |
pointer |
pos |
position |
byte |
a byte |
word |
16-bit value |
short |
represent a short 8-bit addressing mode |
long |
represent a long 16-bit addressing mode |
EA |
Effective Address: The final computed data byte address |
Page Zero |
all data located at [00..FF] addressing space (single byte address) |
(XX)content of a memory location XX
XX |
a byte value |
ExtB |
Extended byte |
MS |
Most Significant byte of a 16-bit value (MSB) |
LS |
Least Significant byte of a 16-bit value (LSB) |
A |
Accumulator register |
X16-bit X Index register
Y16-bit Y Index register
reg |
A, XL or YL register (1-byte LS part of X/Y), XH or YH (1-byte MS part of X/Y) |
ndx |
index register, either X or Y |
PC |
24-bit Program Counter register |
SP |
16-bit Stack Pointer |
S |
Stack Pointer LSB |
CC |
Condition Code register |
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Doc ID 13590 Rev 3 |