If you are still using the old URL (datacrystal.romhacking.net), please update your bookmarks! The old URL may stop working soon.
The current URL is datacrystal.tcrf.net.
The current URL is datacrystal.tcrf.net.
User:Lelegofrog/Sandbox: Difference between revisions
Jump to navigation
Jump to search
Lelegofrog (talk | contribs) mNo edit summary |
Lelegofrog (talk | contribs) No edit summary |
||
| Line 1: | Line 1: | ||
the dumping grounds for ideas.. | the dumping grounds for ideas | ||
wip smas ram map (dunno if i'll ever finish) | |||
taken from [https://www.smwcentral.net/?p=memorymap&game=smas&u=0&address=&sizeOperation=%3D&sizeValue=®ion=ram&type=*&context=*&description= SMW Central] | |||
== RAM Map == | |||
=== Super Mario Bros. 1 === | |||
Address Size Description | |||
------- ---- ----------- | |||
7E0000 8 Scratch RAM for many subroutines | |||
7E0008 1 Unused scratch RAM | |||
7E0009 1 Frame Counter | |||
7E000A 3 Player action data. | |||
Note that these flags are not mirrors of SNES controller flags. | |||
They merely signify which states the player is experiencing. | |||
For example, the Jump flag can be set by whatever button maps to jumping. | |||
Also, the flag is set only by the controller of the current player. | |||
------ | |||
7E000A | |||
Bit flags: JD000000 | |||
J - Jump button | |||
D - Dash button | |||
------ | |||
7E000B | |||
Bit flags: 0000UD00 | |||
U - Up button | |||
D - Down button | |||
------ | |||
7E000C | |||
Bit flags: 000000LR | |||
L - Left flag | |||
R - Right flag | |||
7E000D 1 Saves the value of $7E:000A (jump/run flags) from the previous frame. | |||
7E000F 1 Player's current action | |||
(Entering pipe, fade to image before level, vine, etc.) | |||
TODO: verify "Number of subroutines to run in game engine on next frame" | |||
7E0010 8 Sprite onscreen flags | |||
Bit 7 = never overwrite sprite slot of current index. | |||
Bit 0 = Onscreen flag. | |||
{{DISPLAYTITLE:User:lelegofrog/Sandbox}} | {{DISPLAYTITLE:User:lelegofrog/Sandbox}} | ||
Revision as of 06:48, 23 October 2024
the dumping grounds for ideas
wip smas ram map (dunno if i'll ever finish) taken from SMW Central
RAM Map
Super Mario Bros. 1
Address Size Description
------- ---- -----------
7E0000 8 Scratch RAM for many subroutines
7E0008 1 Unused scratch RAM
7E0009 1 Frame Counter
7E000A 3 Player action data.
Note that these flags are not mirrors of SNES controller flags.
They merely signify which states the player is experiencing.
For example, the Jump flag can be set by whatever button maps to jumping.
Also, the flag is set only by the controller of the current player.
------
7E000A
Bit flags: JD000000
J - Jump button
D - Dash button
------
7E000B
Bit flags: 0000UD00
U - Up button
D - Down button
------
7E000C
Bit flags: 000000LR
L - Left flag
R - Right flag
7E000D 1 Saves the value of $7E:000A (jump/run flags) from the previous frame.
7E000F 1 Player's current action
(Entering pipe, fade to image before level, vine, etc.)
TODO: verify "Number of subroutines to run in game engine on next frame"
7E0010 8 Sprite onscreen flags
Bit 7 = never overwrite sprite slot of current index.
Bit 0 = Onscreen flag.