Skip to content

Note which options are not used by licensed games #108

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 6 commits into from
Feb 22, 2021
Merged

Note which options are not used by licensed games #108

Changes from all commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
d03081e
Note which options are not used by licensed games
daid Jan 29, 2021
765d31b
Update The_Cartridge_Header.md
daid Jan 29, 2021
f20572c
Update The_Cartridge_Header.md
daid Jan 29, 2021
3d18cd3
Update The_Cartridge_Header.md
daid Jan 29, 2021
c188294
Merge branch 'develop' into patch-3
daid Feb 18, 2021
255358c
Update The_Cartridge_Header.md
Feb 19, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 8 additions & 6 deletions content/The_Cartridge_Header.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -147,8 +147,8 @@ cartridge, and if further external hardware exists in the cartridge.
| $03 | MBC1+RAM+BATTERY
| $05 | MBC2
| $06 | MBC2+BATTERY
| $08 | ROM+RAM
| $09 | ROM+RAM+BATTERY
| $08 | ROM+RAM *
| $09 | ROM+RAM+BATTERY *
| $0B | MMM01
| $0C | MMM01+RAM
| $0D | MMM01+RAM+BATTERY
Expand All @@ -170,6 +170,7 @@ cartridge, and if further external hardware exists in the cartridge.
| $FE | HuC3
| $FF | HuC1+RAM+BATTERY

\* No licensed cartridge makes use of this option. Exact behaviour is unknown.

### 0148 - ROM Size

Expand All @@ -187,10 +188,11 @@ Specifies the ROM Size of the cartridge. Typically calculated as "N such that 32
| $06 | 2 MByte | 128
| $07 | 4 MByte | 256
| $08 | 8 MByte | 512
| $52 | 1.1 MByte | 72
| $53 | 1.2 MByte | 80
| $54 | 1.5 MByte | 96
| $52 | 1.1 MByte | 72 *
| $53 | 1.2 MByte | 80 *
| $54 | 1.5 MByte | 96 *

\* Only listed in unofficial docs

### 0149 - RAM Size

Expand All @@ -199,7 +201,7 @@ Specifies the size of the external RAM in the cartridge (if any).
| Code | Size | Comment
|------|--------|---------
| $00 | 0 | No RAM
| $01 | 2 KB | Partial
| $01 | - | Unused (but unofficial docs list it as 2 KB)
| $02 | 8 KB | 1 bank
| $03 | 32 KB | 4 banks of 8 KB each
| $04 | 128 KB | 16 banks of 8 KB each
Expand Down