mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
81fff9bb80
I have no idea why this was a thing (do people store this repo on FAT32 flash drives or something?), but quite a bit of files had a permission of 755. This isn't really a problem, but it's inconsistent and weird.
222 lines
2.3 KiB
NASM
222 lines
2.3 KiB
NASM
GiveMoney:: ; 15fd7
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ld a, 3
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call AddMoney
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ld bc, MaxMoney
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ld a, 3
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call CompareMoney
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jr z, .not_maxed_out
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jr c, .not_maxed_out
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ld hl, MaxMoney
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ld a, [hli]
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ld [de], a
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inc de
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ld a, [hli]
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ld [de], a
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inc de
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ld a, [hli]
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ld [de], a
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scf
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ret
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.not_maxed_out
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and a
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ret
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; 15ff7
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MaxMoney: ; 15ff7
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dt MAX_MONEY
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; 15ffa
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TakeMoney:: ; 15ffa
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ld a, 3
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call SubtractMoney
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jr nc, .okay
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; leave with 0 money
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xor a
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ld [de], a
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inc de
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ld [de], a
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inc de
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ld [de], a
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scf
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ret
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.okay
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and a
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ret
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; 1600b
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CompareMoney:: ; 1600b
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ld a, 3
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CompareFunds: ; 1600d
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; a: number of bytes
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; bc: start addr of amount (big-endian)
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; de: start addr of account (big-endian)
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push hl
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push de
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push bc
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ld h, b
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ld l, c
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ld c, 0
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ld b, a
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.loop1
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dec a
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jr z, .done
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inc de
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inc hl
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jr .loop1
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.done
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and a
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.loop2
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ld a, [de]
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sbc [hl]
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jr z, .okay
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inc c
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.okay
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dec de
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dec hl
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dec b
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jr nz, .loop2
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jr c, .set_carry
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ld a, c
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and a
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jr .skip_carry
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.set_carry
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ld a, 1
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and a
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scf
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.skip_carry
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pop bc
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pop de
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pop hl
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ret
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; 16035
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SubtractMoney: ; 16035
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ld a, 3
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SubtractFunds: ; 16037
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; a: number of bytes
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; bc: start addr of amount (big-endian)
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; de: start addr of account (big-endian)
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push hl
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push de
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push bc
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ld h, b
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ld l, c
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ld b, a
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ld c, 0
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.loop
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dec a
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jr z, .done
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inc de
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inc hl
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jr .loop
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.done
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and a
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.loop2
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ld a, [de]
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sbc [hl]
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ld [de], a
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dec de
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dec hl
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dec b
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jr nz, .loop2
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pop bc
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pop de
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pop hl
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ret
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; 16053
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AddMoney: ; 16053
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ld a, 3
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AddFunds: ; 16055
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; a: number of bytes
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; bc: start addr of amount (big-endian)
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; de: start addr of account (big-endian)
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push hl
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push de
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push bc
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ld h, b
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ld l, c
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ld b, a
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.loop1
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dec a
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jr z, .done
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inc de
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inc hl
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jr .loop1
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.done
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and a
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.loop2
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ld a, [de]
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adc [hl]
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ld [de], a
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dec de
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dec hl
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dec b
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jr nz, .loop2
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pop bc
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pop de
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pop hl
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ret
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; 1606f
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GiveCoins:: ; 1606f
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ld a, 2
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ld de, wCoins
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call AddFunds
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ld a, 2
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ld bc, .maxcoins
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call CompareFunds
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jr c, .not_maxed
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ld hl, .maxcoins
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ld a, [hli]
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ld [de], a
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inc de
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ld a, [hli]
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ld [de], a
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scf
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ret
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.not_maxed
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and a
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ret
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; 1608d
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.maxcoins ; 1608d
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bigdw MAX_COINS
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; 1608f
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TakeCoins:: ; 1608f
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ld a, 2
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ld de, wCoins
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call SubtractFunds
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jr nc, .okay
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; leave with 0 coins
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xor a
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ld [de], a
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inc de
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ld [de], a
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scf
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ret
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.okay
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and a
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ret
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; 160a1
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CheckCoins:: ; 160a1
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ld a, 2
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ld de, wCoins
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jp CompareFunds
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; 160a9
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