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ROM Hack City

ROM Hack City:Sandbox

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This sandbox is a playground where you can try to edit this wiki page. You can put your experiments and your tests in this sandbox.

You can use this sandbox to verify that wiki does work! Click "Edit", then make some additions or changes below, then click "Save"! Your changes will appear in the saved page!


Hi.

Hello. It's-a me, Mario!
Hi there.
How do I say "hello" in Japanese?

So this is a new sandbox. We need some ideas for sandcastles.


    |>                             |>
    |                              |
  ::::::     :::::     :::::     ::::::
  ::::::     :::::     :::::     ::::::
  ::::::     :::::     :::::     ::::::
  :::::::::::::::::::::::::::::::::::::
  :::::::::::::::::***:::::::::::::::::
  ::::::::::::::::*****::::::::::::::::
  ::::::::::::::::*****::::::::::::::::
  ::::::::::::::::*****::::::::::::::::
:::::::::::::::::::::::::::::::::::::::::

This is why assembly hacking is difficult. We write too much silly and useless code. Consider this 65816 code that copies bytes from the SPC-700 to the save-RAM; why would anyone do this?

	;; Relay bytes from the uploaded program to save-RAM.
	;; * APU0 => index
	;; * APU1 => byte
	;; * APU2, APU3 => 16-bit address in bank $70
	;; * index => APU0 to acknowledge
	;;
	;; The first index is one more than the index that terminated
	;; the upload.
	;;
	inc	a
	sta	$00			; RAM $00 = first index
	lda	#$70
	sta	$03			; RAM $03 = bank for [$01]
-	lda	APU0
	cmp	$00
	bne	-			; wait for next index
	ldx	APU2
	stx	$01
	lda	APU1
	sta	[$01]			; relay byte
	lda	$00
	sta	APU0			; echo index to acknowledge
	inc	a
	sta	$00			; increment index
	bra	-

Sandbox, part 2 Edit

To be continued...

Sandbox, part 3 Edit

Now is the time to hack the wiki with HTML and CSS.

Bitplanes.

When you have four numbers,
like 35 103 29 210,
and you write them in binary,
like %00100011, %01100111, %00011101, %11010010,

and then you box them,
like

%00100011
%01100111
%00011101
%11010010

and then you put together the digits in each place,
like %0001, %0101, %1100, %0011,
%0010, %0110, %1101, %1110,
and then you make bytes,
like %00010101, %11000011, %00100110, %11011110,

so you made bitplanes,
like 21, 195, 38, 222.

I might want to read this.

http://w3.org/TR/CSS21

I might want to learn those CSS properties.
== Sandbox, part 4 ==
Super-Mario-World
This image floats right!
KernighAdded by Kernigh

This is a box.

This is a second paragraph in the box.

I eventually used the stuff in this part of the sandbox to make Template:Hack and related templates. --Kernigh 01:12, 16 August 2009 (UTC)

I want to try second box!

Super-Mario-World title screen

Super Mario World
licensed game for SNES

Creator

Nintendo

Base hack

Super Mario Bros. 3 (NES)

Cartridge

Versions

  • NTSC, America: Super Mario World (U)
  • NTSC, Japan: Super Mario World - Super Mario Bros. 4 (J)
  • PAL, Europe: Super Mario World (E)

Community

http://www.smwcentral.net/

Super-Mario-World
Here is this image again. I might want to upload another image.
KernighAdded by Kernigh

The second box lacks color. I want to try third box with more color!

Super-Mario-World title screen

Super Mario World
licensed game for SNES

Creator

Nintendo

Base hack

Super Mario Bros. 3 (NES)

Cartridge

512 kilobytes in 16 LoROM banks

2 kilobytes of save-RAM

Versions

NTSC, America: Super Mario World (U)

NTSC, Japan: Super Mario World - Super Mario Bros. 4 (J)

PAL, Europe: Super Mario World (E)

Community

http://www.smwcentral.net/

Here is a fourth box, like the third but with less stuff in the table.

Super-Mario-World title screen

Fourth Box
text

Creator

Anonymous

Base hack

Unknown

The fourth box is less wide than what I want.

Super-Mario-World title screen

Fifth Box
text

Creator

Anonymous

Base hack

Unknown


Super-Mario-World title screen

Sixth Box


Super-Mario-World title screen

Seventh Box

Sandbox address map Edit

SNES address

Size

Description

$123456

7 bytes
plot coupons

This is a table of the offsets to the seven plot coupons within the plot coupon area. Swap the table entries to change the order of the plot coupons in the game.

$12345d

2 bytes
plot coupons

Number of points when you collect a plot coupon.

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