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Mega Man 4/Tutorials: Difference between revisions

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{{tutorials|game=Mega Man 4}}
I will add a few ASM tutorials that you will need for your Mega Man IV hacking experience.
I will add a few ASM tutorials that you will need for your Mega Man IV hacking experience.


=== Sound Initial Code while choosing the weapon ===
==Sound Initial Code while choosing the weapon==


Written by Insectduel
Written by Insectduel


In the memory where the ROM offset is located at x78010 to x7A00F (Bank $3C by $2000).
In the memory where the ROM offset is located at <tt>0x78010</tt> to <tt>0x7A00F</tt> (Bank <tt>$3C</tt> by <tt>$2000</tt>).
RAM <tt>$8000 to $9FFF</tt>


Change $992A and $996C to the JSR initial code to the location where the empty unused memory is. Then enter the following below.
Change <tt>$992A</tt> and <tt>$996C</tt> to the JSR initial code to the location where the empty unused memory is. Then enter the following below.


*<tt>20 XX XX  JSR $XXXX</tt>    ; Location to the Sound ID Code.
*<tt>AD 38 01  LDA $0138</tt>
*<tt>60        RTS</tt>
*<tt>A9 2E    LDA #$2E</tt>      ; Sound ID to play
*<tt>4C BE F6  JMP $F6BE</tt>    ; Init Sound


*20 XX XX  JSR $XXXX    ; Location to the Sound ID Code.
That way the sound will always hear when you choosing the weapon menu.
*AD 38 01  LDA $0138
*60        RTS
*A9 2E    LDA #$2E      ; Sound ID to play
*4C BE F6  JMP $F6BE    ; Init Sound


That way the sound will always hear when you choosing the weapon menu.
{{Internal Data|game=Mega Man 4}}

Latest revision as of 02:42, 24 January 2024

Chip tiny.png The following article is a Tutorial for Mega Man 4.

I will add a few ASM tutorials that you will need for your Mega Man IV hacking experience.

Sound Initial Code while choosing the weapon

Written by Insectduel

In the memory where the ROM offset is located at 0x78010 to 0x7A00F (Bank $3C by $2000). RAM $8000 to $9FFF

Change $992A and $996C to the JSR initial code to the location where the empty unused memory is. Then enter the following below.

  • 20 XX XX JSR $XXXX  ; Location to the Sound ID Code.
  • AD 38 01 LDA $0138
  • 60 RTS
  • A9 2E LDA #$2E  ; Sound ID to play
  • 4C BE F6 JMP $F6BE  ; Init Sound

That way the sound will always hear when you choosing the weapon menu.

Internal Data for Mega Man 4
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