PPU memory map: Difference between revisions
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m (I think there was an error in original document. Attribures of table #0 should not be mirrored. Must figure out more about N later.) |
(Included address range.) |
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| Line 1: | Line 1: | ||
=== RAM memory map === | === RAM memory map === | ||
{| | {| class="tabular" | ||
! Address || Size || Description | ! Address range || Size || Description | ||
|- | |- | ||
| $0000 || $1000 || Pattern Table | | $0000-$0FFF || $1000 || Pattern Table 0 [lower CHR RAM bank] | ||
|- | |- | ||
| $1000 || $1000 || Pattern Table | | $1000-$1FFF || $1000 || Pattern Table 1 [upper CHR RAM bank] | ||
|- | |- | ||
| $2000 ||$ | | $2000-$2FFF || $0F00 || Name Tables [4 banks of $400 bytes] | ||
|- | |- | ||
| $3F00 ||$0020 || | | $3000-$3EFF || $0F00 || Mirrors of Name Tables | ||
|- | |||
| $3F00-$3F1F || $0020 || Palette RAM indexes [no RGB] | |||
|- | |||
| $3F20-$3FFF || $0080 || Mirrors of palette | |||
|} | |} | ||
=== Programmer memory map === | === Programmer memory map === | ||
{| | {| class="tabular" | ||
! Address || Size || Flags || Description | ! Address || Size || Flags || Description | ||
|- | |- | ||
| Line 51: | Line 55: | ||
* C = Possibly CHR-ROM | * C = Possibly CHR-ROM | ||
* N = Mirrored ( | * N = Mirrored (read below) | ||
* P = Palette mirror | * P = Palette mirror | ||
* R = Mirror of $2000-2EFF ( | * R = Mirror of $2000-2EFF (N) | ||
* F = Mirror of $0000-3FFF | * F = Mirror of $0000-3FFF | ||
---- | ---- | ||
Note: First draft of the PPU memory map. Taken nesdoc format as example | Note: First draft of the PPU memory map. Taken nesdoc format as example | ||
Revision as of 00:55, 3 April 2010
RAM memory map
| Address range | Size | Description |
|---|---|---|
| $0000-$0FFF | $1000 | Pattern Table 0 [lower CHR RAM bank] |
| $1000-$1FFF | $1000 | Pattern Table 1 [upper CHR RAM bank] |
| $2000-$2FFF | $0F00 | Name Tables [4 banks of $400 bytes] |
| $3000-$3EFF | $0F00 | Mirrors of Name Tables |
| $3F00-$3F1F | $0020 | Palette RAM indexes [no RGB] |
| $3F20-$3FFF | $0080 | Mirrors of palette |
Programmer memory map
| Address | Size | Flags | Description |
|---|---|---|---|
| $0000 | $1000 | C---- | Pattern Table #0 |
| $1000 | $1000 | C---- | Pattern Table #1 |
| $2000 | $03C0 | ----- | Name Table #0 |
| $23C0 | $0040 | ----- | Attribute Table #0 |
| $2400 | $03C0 | -N--- | Name Table #1 |
| $27C0 | $0040 | -N--- | Attribute Table #1 |
| $2800 | $03C0 | -N--- | Name Table #2 |
| $2BC0 | $0040 | -N--- | Attribute Table #2 |
| $2C00 | $03C0 | -N--- | Name Table #3 |
| $2FC0 | $0040 | -N--- | Attribute Table #3 |
| $3000 | $0F00 | --R-- | |
| $3F00 | $0010 | ----- | Image palette #1 |
| $3F10 | $0010 | ----- | Sprite palette #1 |
| $3F20 | $00E0 | ---P- | |
| $4000 | $C000 | ---F- |
- C = Possibly CHR-ROM
- N = Mirrored (read below)
- P = Palette mirror
- R = Mirror of $2000-2EFF (N)
- F = Mirror of $0000-3FFF
Note: First draft of the PPU memory map. Taken nesdoc format as example
