Nintendo 1504166 - Game Boy Advance SP Edition Console Programming Manual page 12

AGB Programming Manual
Using This Manual
Important terms and symbols used in this manual are defined below.
1. Terms
The term "user" in this manual refers to the software developer, not to the general consumer.
Bit lengths in this manual are expressed as follows.
2. Symbols
The attributes of bits used in bit operations are represented as follows.
Read/write bit
A readable and writable bit.
1
Fixed-value bit
Must be set to a
specified fixed value.
3. Abbreviations
Nintendo's game hardware is abbreviated as follows:
Ø DMG (Game Boy)
Ø CGB (Game Boy Color)
Ø AGB (Game Boy Advance)
Ø DOL (Nintendo GameCube)
©1999 - 2001 Nintendo of America Inc.
Bit Length
8 bits
16 bits
32 bits
Read-only bit
A bit that is readable but not
writable.
*
Unrestricted bit
Can be set to either 0 or 1.
12
Term Used
byte
half-word
word
Write-only bit
A bit that is not readable but
is writable.
Not used
Using This Manual
D.C.N. AGB-06-0001-002B4