Guides:Fast 0x1500 ACE: Difference between revisions

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Line 7: If you encounter any issues when going through this guide or would like to provide feedback, please contact TimoVM on the [https://discord.gg/EA7jxJ6 Glitch City Research Institute Discord]. '''When playing on cartridge or emulator, it is ~~required~~recommended to have previously cleared an old save by pressing SELECT + UP + B simultaneously on the start screen at least once since obtaining the cart. Otherwise you ~~will~~risk not bebeing able to obtain a bad clone or an unterminated name pokémon.''' The contents of this guide are demonstrated in the following video: {{youtube\|iJRb3PwUrkg\|TimoVM}} =Setting up initial ACE= Line 102 ⟶ 106: # Sell TMs in specific quantities so that the amount of TMs in the TM/HM pocket spell out a small mail writer program. ==Step 4: ~~setting~~Setting all TM quantities to x255<span id="{{anchorencode:Box name payload}}"></span>== * Rename box names to form the following language dependent codes. '''Please mind the differences between uppercase X ([[File:Character UCX.png]]), lowercase x ([[File:Character lcx.png]]) and multiplication symbol ([[File:Character mul.png]]).''' Line 400 ⟶ 404: ! scope="row" \| Italian \|\| <pre>Box 1: p 0 Mn È 2 ♀ Pk 5 Box 2: ° y é fi 5 F ° , Box 3: Ù fi 5 È È Ù fi 5 Box 4: È Á Ù fi 5 5 È W Box 5: Ù fi 5 È [SPACE] Ù fi 5 Box 6: Pk Pk Pk p F 1 Í Í Line 409 ⟶ 413: ! scope="row"\| Spanish \|\| <pre>Box 1: p 0 Mn È 2 ♀ Pk 5 Box 2: ° y é fi 5 F ° , Box 3: Ù fi 5 È È Ù fi 5 Box 4: È Á Ù fi 5 5 È W Box 5: Ù fi 5 È [SPACE] Ù fi 5 Box 6: Pk Pk Pk p F 1 Í Í Line 489 ⟶ 493: E6 EF and $EF ; a = $E5 84 add a, h ; af = $DA10 F5E1 ~~push~~pop afhl 50 ld d, b Box 2: $DB7E F5 push af E1 pop hl ; hl = $DA10▼ FBE1 eipop hl ; ~~Overwritten~~hl = $DA10, overwritten to $22, ldi (hl), a D0 ret nc ; On first pass, ignored. Taken whenever $DB7F is called D6 B9 sub $B9 ; a = $21 Line 556 ⟶ 560: D6 FF sub $FF ; a = $01 EA 84 FB ld ($FB84), a E1 pop hl ~~E1 pop hl ; first of two pops to prevent side effects of 0x1500 ACE~~ F6 FF or $FF ; a = $FF 50 ld d, b Line 563 ⟶ 567: D4 81 FB call nc, $FB81 ; $FB81 was rewritten to 21 59 D8 01 32 00 C3 41 30 EA 82 FB ld ($FB82), a ; Replace $59 by $FF to prevent possible crash when viewing $59 as text E1 pop hl ~~E1 pop hl ; second of two pops to prevent side effects of 0x1500 ACE~~ D6 50 sub $50 ; a = $AF Line 569 ⟶ 573: D6 E1 sub $E1 ; a = $CE EA 93 F8 ld (wItems), a ; Replace first item in item pocket with TM15 A7AF ~~and~~xor a ; ~~Reset~~a ~~carry~~= ~~flag~~$00 D085 ~~ret~~add nca, l F7 rst30h ; Resume text function, immediately hit terminator ~~FB ei~~ 50 ld d, b Line 596 ⟶ 600: E6 E5 and $E5 ; a = $E5 84 add a, h ; af = $DA10 F5E1 ~~push~~pop afhl 50 ld d, b Box 2: $DB7E F5 push af E1 pop hl ; hl = $DA10▼ FBE1 eipop hl ; ~~Overwritten~~hl = $DA10, overwritten to $22, ldi (hl), a D0 ret nc ; On first pass, ignored. Taken whenever $DB7F is called D6 B9 sub $B9 ; a = $21 Line 663 ⟶ 667: D6 FF sub $FF ; a = $01 EA 84 FB ld ($FB84), a E1 pop hl ~~E1 pop hl ; first of two pops to prevent side effects of 0x1500 ACE~~ F6 FF or $FF ; a = $FF 50 ld d, b Line 670 ⟶ 674: D4 81 FB call nc, $FB81 ; $FB81 was rewritten to 21 59 D8 01 32 00 C3 2F 30 EA 82 FB ld ($FB82), a ; Replace $59 by $FF to prevent possible crash when viewing $59 as text E1 pop hl ~~E1 pop hl ; second of two pops to prevent side effects of 0x1500 ACE~~ D6 50 sub $50 ; a = $AF Line 676 ⟶ 680: D6 E1 sub $E1 ; a = $CE EA 93 F8 ld (wItems), a ; Replace first item in item pocket with TM15 A7AF ~~and~~xor a ; ~~Reset~~a ~~carry~~= ~~flag~~$00 D085 ~~ret~~add nca, l F7 rst30h ; Resume text function, immediately hit terminator ~~FB ei~~ 50 ld d, b Line 703 ⟶ 707: E6 E5 and $E5 ; a = $E5 84 add a, h ; af = $DA10 F5E1 ~~push~~pop afhl 50 ld d, b Box 2: $DB7E F5 push af ▲E1 pop hl ; hl = $DA10 FBE1 eipop hl ; ~~Overwritten~~hl = $DA10, overwritten to $22, ldi (hl), a D0 ret nc ; On first pass, ignored. Taken whenever $DB7F is called D6 B9 sub $B9 ; a = $21 Line 770 ⟶ 774: D6 FF sub $FF ; a = $01 EA 84 FB ld ($FB84), a E1 pop hl ~~E1 pop hl ; first of two pops to prevent side effects of 0x1500 ACE~~ F6 FF or $FF ; a = $FF 50 ld d, b Line 777 ⟶ 781: D4 81 FB call nc, $FB81 ; $FB81 was rewritten to 21 59 D8 01 32 00 C3 2B 30 EA 82 FB ld ($FB82), a ; Replace $59 by $FF to prevent possible crash when viewing $59 as text E1 pop hl ~~E1 pop hl ; second of two pops to prevent side effects of 0x1500 ACE~~ D6 50 sub $50 ; a = $AF Line 783 ⟶ 787: D6 E1 sub $E1 ; a = $CE EA 93 F8 ld (wItems), a ; Replace first item in item pocket with TM15 A7AF ~~and~~xor a ; ~~Reset~~a ~~carry~~= ~~flag~~$00 D085 ~~ret~~add nca, l F7 rst30h ; Resume text function, immediately hit terminator ~~FB ei~~ 50 ld d, b Line 967 ⟶ 971: D6 81 sub $81 ; a = $D8, carry flag set 22 ldi (hl), a ; .write D0 ~~call~~ret nc ; Skip on last pass E1 pop hl 50 ld d, b Line 973 ⟶ 977: Box 7: $D8AC E1 pop hl E1 pop hl ~~A7 and a ; Reset carry flag~~ ▲E1AF ~~pop~~xor hla ; hla = $~~DA10~~00 ~~D0 call nc~~ 85 add a, l F7 rst30h ; Resume text function, immediately hit terminator Box 14: displayed as screen tiles at $C4BE Line 999 ⟶ 1,005: Box 2: $DB7E D6 B8 sub $B8 ; a = $22 EA A5A8 FB ld (.write), a 85 add a, l ; a = $32 D6 F4 sub $F4 ; a = $3E Line 1,005 ⟶ 1,011: Box 3: $DB87 CD A5A8 FB call .write C6 C6 add $C6 ; a = $04 CD A5A8 FB call .write 50 ld d, b Box 4: $DB90 C6 BF add $BF ; a = $C3 CD A5A8 FB call .write FB ei C6 96 add $96 ; a = $59 Line 1,018 ⟶ 1,024: Box 5: $DB99 CD A5A8 FB call .write C6 7F add $7F ; a = $D8 CD A5A8 FB call .write 50 ld d, b Line 1,026 ⟶ 1,032: E1 pop hl E1 pop hl ; Prevent side effects when returning to text printer E1 pop hl ~~C9 ret~~ ▲E1AF ~~pop~~xor hla ; hla = $~~DA10~~00 85 add a, l F7 rst30h ; Resume text function, immediately hit terminator 22 ldi (hl), a ; .write C9 ret Line 1,038 ⟶ 1,047: F7 rst30h ; hl = $FB75, de = $C4C5, jump to hl </pre> [[Category:Guides]]