Yoshi's Island Sprite State jumps

ec0 / ec4 jump
	$701E8D

----------------------
sprite state jumps:
----------------------
Everything is in bank 03
RAM jumps have been tabbed and converted to a more obvious adress

	$01 700D61
-

$02 9A6E
- normal state

	$03 700D9B
- ?

$04 9A6E
- normal state

$05 469B
-unmapped?
-will BRK BRK until it hits $600x ?

$06 A247
- normal state

$07 C7A3
- will eventually jump into 7E00AD
-

$08 9AC8
- normal state

	$09 7E1C9B
- ?

$0A A11D
- normal state

$0B 8CA2
- will RTL immediately

$0C 9F8D
- normal state

$0D 84A0
- junk

$0E A085
- normal state

$0F 8FA1
- junk

$10 9A90
- normal state

	$11 7E0A9B
- ?

$12 A00B
- normal state

	$13 700BA1
- OAM low table mirror. 4-byte entries with format
- xxxxxxxx yyyyyyyy tttttttt yxppccct
- (x = X coordinate, y = Y coordinate, t = tile number, c = palette 0-7, p = priority, x&y = flip)

$14 4B6C
- unmapped?
- will prob eventually hit $600x

$15 AB4C
- Will RTS (corrupt stack) and do a bunch of bullshit

$16 A9AC
- Will do a bunch of bs until it RTL but corrupts stack with a PLX

	$17 7E10AA
- mostly 00 and static ?

	$18 7E0011
- ASM scratch values

$19 9D01
- jumps into middle of spritestate $08 - will RTL

	$1A	7E009E
- Empty, will eventually reach some ASM in RAM
- see 00:8140

	$1B 700F01
- Sprite state
- Will be overwritten by tongue glitch

$1C BD70
- will corrupt stack with PLB but will RTL
-

	$1D	7000BE
- Yoshi's Current animation frame (2-bytes)
- cant manipulate very well

	$1E 701361
-24 2-word pairs:
-Word 1: Sprite ID ($000 - $1F4)
-Word 2: Pointer to first entry within OAM buffer

	$1F 7E0A74
- ?

	$20	701D0B
- Sprites X and Y values
- Starts at sprite #11 X-screen and goes down (#10 #09)
- Issue: every other byte is limited to 00-0F

	$21 70007E
- ?

	$22 701361
- 24 2-word pairs:
- Word 1: Sprite ID ($000 - $1F4)
- Word 2: Pointer to first entry within OAM buffer

$23 C274
- junk

	$24 7E10C3
-?

$25 A811
- Corrupts stack

$26 B9A9
- jumps into continue main_egg and RTLs fine

	$27 7E00BA
- Empty, will eventually reach some ASM in RAM
- see 00:8140

$28 8001
- junk
-

$29 8581
- Hangs on WAI
-

	$2A 7E0086
- some camera bs
- often 6B that'll RLT instantly

$2B B901
- Jumps into continue main_egg and seem to pop off your eggs and make them baby mario?
- will RTL eventually
- will do nothing if not at F00

	$2C 7E02BA
- ?

$2D 8003
- junk

$2E 8581
- Will hang on WAI
-

	$2F 7E0286
-?
-

$30 E203
- will hang on a GSU call
-

	$31 7E10E3
-?
-

$32 A811
- Corrupts stack

$33 5AA9
-will BRK BRK until it hits 600x ?

$34 AB5B
- corrupt stack

$35 DCAC
- junk
-

	$36 7000DD
-?

	$37 701961
-sprite table - very static?

$38 BD7A
- corrupts stack with PLB

	$39 7000BE
-Yoshi's current animation frame

	$3A 701361
-24 2-word pairs:
-Word 1: Sprite ID ($000 - $1F4)
-Word 2: Pointer to first entry within OAM buffer

	$3B 7E0A74
-?

	$3C 701D0B
- looking good
-Sprites X and Y values
-starts at sprite #11 X-screen and goes down (#10 #09)

	$3D 70007E
-?
-mostly static stuff

	$3E 701361
-24 2-word pairs:
-Word 1: Sprite ID ($000 - $1F4)
-Word 2: Pointer to first entry within OAM buffer

$3F C274
- Junk

	$40 7E10C3
-

$41 DA11
- junk

$42 AADB
- junk
-

$43 BFAB
- corrupt stack
-

$44 2EC0
- will eventually hit (GSU) registers at $3000?
-

$45 852F
- junk
-

	$46 7E0386
-?

$47 8504
- jumps into $0000
- JMP ($0F91,x)

	$48 7E0086
-?
-

$49 BF01
- flips the N flag?
- still emulates whole frame?
- will work for credits warp
- crashes after though

$4A 30C0
- registers

$4B 8531
- JUNK

	$4C 7E0386
- ?

$4D 8504
- jumps into $0000
- JMP ($0F91,x)

	$4E 7E0286
- ?

$4F FA03
- j u n k
-

$50 E2FB
- corrupts stack, jumps into 0399

	$51 7E10E3
- ?

$52 A811
- junk

$53 5AA9
- will hit $600x eventually

$54 AB5B
- corrupt stack

$55 DCAC
- junk
-

	$56 7000DD
- ?

	$57 701961
sprite table - very static?

	$58 7E007A
- ?


$59 FF01
- will SBC $FFFFFF,x until it hits $0001

	$5A 7E0100
- ?

	$5B 7E0101
- ?

$5C FE02
- eventually hits $0003

$5D FFFF
- eventually hits $0003

	$5E 7E0300
- ?

	$5F 7E0003
- ?

	$60 7E0C01
- ?

	$61 7E000D
- ?

$62 F401
- RTS and corrupts stack

$63 FFF5
- eventually hits 03/0001

	$64 7E0100
- ?

	$65 7E0001
- ?

	$66 7E0001
- ?

	$67 7E0001
- ?

$68 FC01
- lol no

$69 FFFD
- blabla loops around

$6A FD00
- junk

$6B FFFD
- ?

$6C FB00
- ?

$6D FFFB
- ?

$6E FB00
- ?

$6F FFFB
- ?

$70 2300
- will hit $3000 GSU registers

$71 9023
- RTL immediately

$72 9A91
- RTS immedately

	$73 7E039B
- ?

$74 BD04
- corrupts stack before RTL

$75 40BE
- registers

	$76 701041
-sprite table, meh?

$77 2971
- will hit $3000 GSU registers

$78 F32A
- will change mario's X velocity and then RTL

$79 FFF4
- hits $0000

$7A 9E00
- j u n k

$7B 409E
- registers


	$7C  701041
-sprite table, meh

$7D 4B71
- registers

$7E AB4C
- j u n k

$7F ADAC
- RTL but corrupts stack

$80 B0AE
- corrupts stack

	$81 7001B1
- ?

	$82 7E0D62
- ?

$83 550E
- hits $6000

	$84 7E0B56
- ?

	$85 7E0D0C
- ?

$86 980E
- stuck at GSU

	$87 7E0399
- ?

$88 F004
- corrupts stack

	$89 7E01F1
- ?

	$8A 700B02
- ?

$8B A06C
- RTLs

	$8C 7E00A1
- ?

$8D AD01
- Zzz

	$8E 7004AE
- ?

	$8F 700165
- ?

$90 F062
- corrupts stack

	$91 7E13F1
- ?

	$92 7E1014
- ?

	$93 7E0211
- ?

$94 A003
- RTL

	$95 7E02A1
- ?

	$96 7E1803
- ?

	$97 701919
- sprite table
- but what?

$98 B47A
- Will do a bunch of stuff and then RTLs normally
- Will make sprites fail to spawn

$99 9AB5
- RTLs normally

$9A 8D9B
- RTL immediately

	$9B 70048E
- ?

	$9C 700165
- ?

$9D 5962
- Will enter somewhere in $600x

$9E B45A
- corrupts stack

$9F 9AB5
- RTLs normally

$A0 309B
- registers and stuff

	$A1 7E0331
- ?

$A2 9C04
- Zeroes out tongue (cancel tongue glitch)
- RTLs after

	$A3 70049D
- ?

	$A4 700165
- ?

$A5 A062
- RTLs but corrupts X (70) for infinite loop

	$A6 7E00A1
- ?

$A7 AD01
- Zzzz

	$A8 7006AE
- ?

	$A9 700167
- ?

$AA F062
- Corrupts stack

	$AB 7E13F1
- ?

	$AC 7E1014
- ?

	$AD 7E0211
- ?

$AE A003
- RTLs

	$AF 7E02A1
- ?

	$B0 7E1803
- ?

	$B1 701919
-sprite table

$B2 B47A
- Will do a bunch of stuff and then RTLs normally
- Will make sprites fail to spawn

$B3 9AB5
- RTLs normally

$B4 8D9B
- RTL immediately

	$B5 70068E
-?

	$B6 700167
-?

$B7 5962
- Will hit $600x

$B8 B45A
- corrupts stack

$B9 9AB5
- RTLs normally

$BA 309B
- register bullshit

	$BB 7E0331
- ?

$BC 9C04
- Zeroes out tongue (cancel tongue glitch)
- RTLs after

	$BD 70069D
- ?

	$BE 700167
- ?

$BF AD62
- sets some sprite data and RLTs

$C0 5AAE
- Will hit $600x

	$C1 70015B
- jumps into Yoshi's Y-position and later what you've tongued
-

	$C2 7E1862
- ?

	$C3 700D19
- ?

	$C4 70046E
- ?

	$C5 700165
- ?

$C6 3862
- register bs

$C7 E939
- main_inflating_balloon routine: does a bunch of stuff
- will RTL eventually

	$C8 7E08EA
- ?

	$C9 7E0009
- ?

$CA 9D01
- jumps into middle of spritestate 08 - will RTL

$CB E29E
- RTS corrupts stack

	$CC 7010E3
-24 4-byte entries:
-Sprite X coordinates, format:
-$00ssppcc : ss = subpixels, pp = pixels within screen, cc = screen

$CD AD71
- RTLs

$CE 5CAE
- will reach $600x

	$CF 70015D
- ?

	$D0 7E1862
- ?

	$D1 700D19
- ?

	$D2 70066E
- ?

	$D3 700167
- ?

$D4 3862
- register bs

$D5 E939
- main_inflating_balloon: does a bunch of stuff
- will RTL eventually

	$D6 7008EA
- ?

	$D7 700009
- ?

$D8 9D01
- jumps into middle of spritestate 08 - will RTL

$D9 829E
- junk

	$DA 701183
-24 4-byte entries:
-Sprite Y coordinates, format:
-$00ssppcc : ss = subpixels, pp = pixels within screen, cc = screen

$DB AD72
- immediate RTL

$DC 52AE
- will reach $600x

	$DD 700153
- ?

	$DE 7E0D62
- ?

$DF 540E
- will reach $600x

	$E0 700155
- ?

$E1 F062
- corrupts stack and jumps into $0001

	$E2 7E01F1
- ?

	$E3 700B02
- ?


$E4 E26C
- corrupts stack

$E5 20E3
- register bs

$E6 A921
- RTS stack corrupts

$E7 FFAA
- loops around to $0002

$E8 9E00
- corrupts stuff?, really big subroutine

$E9 A29E
- clears carry and RTLs


	$EA 7014A3
- sprite table - meh

$EB AD75
- Corrupts stack and jumps to 03:0399

	$EC 7008AE
- ?

	$ED 700169
- ?

$EE D062
- Does a bunch of stuff and RTL
- pushes yoshi to left
- Might crash if $12 [$00:7972] is > 03

	$EF 7E03D1
-item memory

$F0 4C04
- register bs

$F1 A74D
- corrupts with PLA before RTL

$F2 9DA8
- JSR $57AD and ????
-

$F3 C29E
- corrupts with PLA before RTL

$F4 20C3
- register bs

$F5 AD21
-stack corrupt? gets to 0399


	$F6 7002AE
- ?

	$F7 700163
- ?

$F8 D062
- Does a bunch of stuff and RTL
- pushes yoshi to left
- Might crash if $12 [$00:7972] is > 03

	$F9 7E03D1
-Item memory

$FA 4C04
- register bs

$FB BC4D
- does some stuff and RTLs fine

$FC 9BBD
- does some stuff and RTL
- might fail if Carry flag is clear?

$FD BD9C
- corrupts stack prob back to 03/0399


	$FE 7000BE
-?

	$FF 701361
-24 2-word pairs:
-Word 1: Sprite ID ($000 - $1F4)
-Word 2: Pointer to first entry within OAM buffer