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Build the Virtual Console patches with make red_vc and make blue_vc (#351)

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vulcandth 2022-03-26 15:59:36 -05:00 • committed by GitHub
parent 07df4a5f88
commit fe8d3c51a4
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24 changed files with 1752 additions and 34 deletions
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43
engine/menus/save.asm
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@ -37,20 +37,23 @@ LoadSAV0:
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, sPlayerName ; hero name located in SRAM
ld bc, sMainDataCheckSum - sPlayerName ; but here checks the full SAV
; This vc_hook does not have to be in any particular location.
; It is defined here because it refers to the same labels as the two lines below.
vc_hook SaveLimit
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld c, a
ld a, [sMainDataCheckSum] ; SAV's checksum
ld a, [sMainDataCheckSum]
cp c
jp z, .checkSumsMatched
; If the computed checksum didn't match the saved on, try again.
ld hl, sPlayerName
ld bc, sMainDataCheckSum - sPlayerName
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld c, a
ld a, [sMainDataCheckSum] ; SAV's checksum
ld a, [sMainDataCheckSum]
cp c
jp nz, SAVBadCheckSum
@ -84,11 +87,11 @@ LoadSAV1:
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, sPlayerName ; hero name located in SRAM
ld bc, sMainDataCheckSum - sPlayerName ; but here checks the full SAV
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld c, a
ld a, [sMainDataCheckSum] ; SAV's checksum
ld a, [sMainDataCheckSum]
cp c
jr nz, SAVBadCheckSum
ld hl, sCurBoxData
@ -104,11 +107,11 @@ LoadSAV2:
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, sPlayerName ; hero name located in SRAM
ld bc, sMainDataCheckSum - sPlayerName ; but here checks the full SAV
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld c, a
ld a, [sMainDataCheckSum] ; SAV's checksum
ld a, [sMainDataCheckSum]
cp c
jp nz, SAVBadCheckSum
ld hl, sPartyData
@ -219,8 +222,8 @@ SaveSAVtoSRAM0:
call CopyData
ldh a, [hTileAnimations]
ld [sTileAnimations], a
ld hl, sPlayerName
ld bc, sMainDataCheckSum - sPlayerName
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld [sMainDataCheckSum], a
xor a
@ -239,8 +242,8 @@ SaveSAVtoSRAM1:
ld de, sCurBoxData
ld bc, wBoxDataEnd - wBoxDataStart
call CopyData
ld hl, sPlayerName
ld bc, sMainDataCheckSum - sPlayerName
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld [sMainDataCheckSum], a
xor a
@ -262,8 +265,8 @@ SaveSAVtoSRAM2:
ld de, sMainData
ld bc, wPokedexSeenEnd - wPokedexOwned
call CopyData
ld hl, sPlayerName
ld bc, sMainDataCheckSum - sPlayerName
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld [sMainDataCheckSum], a
xor a
@ -612,8 +615,8 @@ SAVCheckRandomID:
ld a, [sPlayerName]
and a
jr z, .next
ld hl, sPlayerName
ld bc, sMainDataCheckSum - sPlayerName
ld hl, sGameData
ld bc, sGameDataEnd - sGameData
call SAVCheckSum
ld c, a
ld a, [sMainDataCheckSum]