TheZZAZZGlitch's memory editor
TheZZAZZGlitch's memory editor is an arbitrary code execution loaded memory editor for Pokémon Red and Blue, designed for use at memory address $DB01. It is similar to the older offgao's memory editor.
It was created by TheZZAZZGlitch, hence the name.
Differences from offgao's memory editor
- The memory editor appears on the left side of the screen, rather than the right side of the screen.
- Editing a memory address is done by holding A, and then pushing buttons while the cursor is highlighted. Offgao's requires holding Start instead.
- Edits are buffered until the A-Button is released, allowing safe editing of sensitive regions such as when setting up OAM DMA hijacking.
- Includes a 'subroutine execution' feature. Holding A down and pressing Select and Start will execute the given address as code.
Bytes (EN Red/Blue)
54 5d d5 21 f8 ff 19 54 5d f0 f8 a7 20 fb 21 a0 c3 36 7c 23 7a cd a9 db 7b cd a9 db 36 e3 23 1a cd a9 db 36 7c 01 0c 00 09 13 7d fe 08 20 e2 21 45 c4 36 ed d1 76 f0 f8 47 cb 58 28 04 7a c6 10 57 cb 50 28 01 14 cb 48 c0 cb 40 20 24 cb 70 28 01 1b cb 78 28 01 13 cb 68 28 06 21 f0 ff 19 54 5d cb 60 28 06 21 10 00 19 54 5d 18 95 79 12 18 fa 36 ec 1a 4f 76 f0 f8 a7 28 f2 47 cb 70 28 04 79 c6 10 4f cb 78 28 04 79 d6 10 4f cb 68 28 01 0d cb 60 28 01 0c 2e 46 79 cd a9 db f0 f8 fe 0d 28 19 e6 fe 20 f6 18 cd 47 cb 37 e6 0f cd b2 db 78 e6 0f c6 f6 30 02 c6 60 22 c9 21 c9 db 73 23 72 cd 94 3e fa 4e cc c3
v1.1 (by ISSOtm)
This version is shorter in length.[1]
E5 11 F8 FF 19 54 5D F0 F8 A7 20 FB 21 A0 C3 36 7C 23 7A CD 9D DB 7B CD 9D DB 36 E3 23 1A CD 9D DB 36 7C 01 0C 00 09 13 7D FE 08 20 E2 3E ED EA 45 C4 E1 76 F0 F8 87 30 01 23 87 30 01 2B 87 30 04 11 F0 FF 19 87 30 04 11 10 00 19 87 30 04 11 00 10 19 87 30 01 24 87 D8 87 30 A4 4E E5 21 45 C4 36 EC 76 F0 F8 A7 28 2F 47 79 CB 78 28 02 D6 10 CB 70 28 02 C6 10 CB 68 28 01 3D CB 60 28 01 3C 2E 46 4F CD 9D DB F0 F8 E6 FE 28 D6 FE 0C 20 F6 CD 94 3E FA 4E CC C9 E1 71 18 BE 47 CB 37 CD A4 DB 78 E6 0F C6 F6 30 02 C6 60 22 C9
v1.2 (unknown)
A third version of the memory viewer was released by another forums user, but cannot be located. It may have allowed the user to return the user to the previously accessed memory address after leaving and accessing the viewer again.
Code (EN Red/Blue, for learning)
_start:
ld d,h ld e,l
writeagain:
push de ld hl,$fff8 add hl,de ld d,h ld e,l
.testkeys
ldh a,[$fff8] and a jr nz,.testkeys ld hl,$c3a0
write:
ld [hl],$7c inc hl ld a,d call writehex ld a,e call writehex ld [hl],$e3 inc hl ld a,[de] call writehex ld [hl],$7c ld bc,12 add hl,bc inc de ld a,l cp 8 jr nz,write
waiting:
ld hl,$c445 ld [hl],$ed pop de
.testbuttons
db $76 ; halt ldh a,[$fff8] ld b,a bit 3,b jr z,.nostartbtn ld a,d add $10 ld d,a
.nostartbtn
bit 2,b jr z,.noselectbtn inc d
.noselectbtn
bit 1,b ret nz bit 0,b jr nz,bytechangeloop bit 6,b jr z,.noupbtn dec de
.noupbtn
bit 7,b jr z,.nodownbtn inc de
.nodownbtn
bit 5,b jr z,.noleftbtn ld hl,$fff0 add hl,de ld d,h ld e,l
.noleftbtn
bit 4,b jr z,.norightbtn ld hl,$0010 add hl,de ld d,h ld e,l
.norightbtn writeagainbounce:
jr writeagain
storeandwriteagain:
ld a,c ld [de],a jr writeagainbounce
bytechangeloop:
ld [hl],$ec ld a,[de] ld c,a
bytechangeloopentry:
db $76 ; halt ldh a,[$fff8] and a jr z,storeandwriteagain ld b,a bit 6,b jr z,.noupbtn ld a,c add $10 ld c,a
.noupbtn
bit 7,b jr z,.nodownbtn ld a,c sub $10 ld c,a
.nodownbtn
bit 5,b jr z,.noleftbtn dec c
.noleftbtn
bit 4,b jr z,.norightbtn inc c
.norightbtn
ld l,$46 ld a,c call writehex
.waitbuttonsc
ldh a,[$fff8] cp $0d jr z,specialexec and $fe jr nz,.waitbuttonsc jr bytechangeloopentry
writehex:
ld b,a swap a and $0f call writehexdigit ld a,b ; fall through to writehexdigit
writehexdigit:
and $0f add $f6 jr nc,.noadd add $60
.noadd
ld [hli],a
.retinstr
ret
specialexec:
ld hl,.executive ld [hl],e inc hl ld [hl],d call $3e94 ; GetPredefRegisters ld a,[$cc4e] db $c3 ; jp
.executive
; subroutine address goes here
YouTube video
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