diff --git a/asm/link.s b/asm/link.s index 20eba107b..c731430e5 100644 --- a/asm/link.s +++ b/asm/link.s @@ -5,349 +5,6 @@ .text - thumb_func_start sub_8009AA0 -sub_8009AA0: @ 8009AA0 - push {r4-r7,lr} - mov r7, r10 - mov r6, r9 - mov r5, r8 - push {r5-r7} - sub sp, 0x4 - movs r6, 0 -_08009AAE: - ldr r0, =gUnknown_03003020 - lsls r1, r6, 1 - adds r3, r1, r0 - movs r0, 0 - strh r0, [r3] - lsls r4, r6, 4 - ldr r5, =gUnknown_03003090 - adds r2, r4, r5 - ldrh r0, [r2] - mov r12, r1 - adds r7, r6, 0x1 - str r7, [sp] - cmp r0, 0 - bne _08009ACC - b _08009D6E -_08009ACC: - ldrh r1, [r2] - ldr r0, =0x00005fff - cmp r1, r0 - bne _08009AD6 - b _08009D20 -_08009AD6: - cmp r1, r0 - bgt _08009B24 - ldr r0, =0x00004444 - cmp r1, r0 - bne _08009AE2 - b _08009D64 -_08009AE2: - cmp r1, r0 - bgt _08009B10 - ldr r0, =0x00002222 - cmp r1, r0 - beq _08009B68 - ldr r0, =0x00002ffe - cmp r1, r0 - bne _08009AF4 - b _08009D28 -_08009AF4: - b _08009D6E - .pool -_08009B10: - ldr r0, =0x00005555 - cmp r1, r0 - beq _08009BB8 - adds r0, 0x11 - cmp r1, r0 - beq _08009BB8 - b _08009D6E - .pool -_08009B24: - ldr r0, =0x0000bbbb - cmp r1, r0 - beq _08009BC4 - cmp r1, r0 - bgt _08009B4C - ldr r0, =0x00008888 - cmp r1, r0 - beq _08009BF0 - ldr r0, =0x0000aaaa - cmp r1, r0 - bne _08009B3C - b _08009D38 -_08009B3C: - b _08009D6E - .pool -_08009B4C: - ldr r0, =0x0000cafe - cmp r1, r0 - bne _08009B54 - b _08009D64 -_08009B54: - ldr r0, =0x0000cccc - cmp r1, r0 - bne _08009B5C - b _08009D3E -_08009B5C: - b _08009D6E - .pool -_08009B68: - bl sub_8009638 - ldr r0, =gUnknown_03003030 - adds r2, r0, 0 - adds r2, 0x10 - ldr r1, =gUnknown_020229CC - ldm r1!, {r3-r5} - stm r2!, {r3-r5} - ldm r1!, {r3,r6,r7} - stm r2!, {r3,r6,r7} - ldr r1, [r1] - str r1, [r2] - ldr r4, =gASCIIGameFreakInc - adds r2, r0, 0 - adds r1, r4, 0 - ldm r1!, {r5-r7} - stm r2!, {r5-r7} - ldrh r3, [r1] - strh r3, [r2] - ldrb r1, [r1, 0x2] - strb r1, [r2, 0x2] - adds r1, r0, 0 - adds r1, 0x2C - ldm r4!, {r2,r3,r5} - stm r1!, {r2,r3,r5} - ldrh r2, [r4] - strh r2, [r1] - ldrb r2, [r4, 0x2] - strb r2, [r1, 0x2] - movs r1, 0x3C - bl sub_800A2F4 - b _08009D6E - .pool -_08009BB8: - ldr r1, =gUnknown_030030E8 - movs r0, 0x1 - strb r0, [r1] - b _08009D6E - .pool -_08009BC4: - mov r7, r12 - adds r1, r7, r6 - lsls r1, 2 - ldr r0, =gUnknown_03000D20 - adds r1, r0 - movs r2, 0 - strh r2, [r1] - ldr r0, =gUnknown_03003090 - adds r0, 0x2 - adds r0, r4, r0 - ldrh r0, [r0] - strh r0, [r1, 0x2] - ldr r0, =gUnknown_03003090 - adds r0, 0x4 - adds r0, r4, r0 - ldrh r0, [r0] - strb r0, [r1, 0x9] - b _08009D6E - .pool -_08009BF0: - mov r3, r12 - adds r0, r3, r6 - lsls r0, 2 - ldr r5, =gUnknown_03000D20 - adds r3, r0, r5 - ldrh r1, [r3, 0x2] - movs r0, 0x80 - lsls r0, 1 - adds r7, r5, 0 - mov r10, r7 - cmp r1, r0 - bls _08009C40 - ldr r0, =0x0201c000 - mov r8, r0 - movs r2, 0 - adds r5, r3, 0 - ldr r7, =gUnknown_03003090 - adds r3, r4, 0 -_08009C14: - ldrh r1, [r5] - lsrs r1, 1 - adds r1, r2 - lsls r1, 1 - add r1, r8 - adds r2, 0x1 - lsls r0, r2, 1 - adds r0, r3 - adds r0, r7 - ldrh r0, [r0] - strh r0, [r1] - lsls r2, 16 - lsrs r2, 16 - cmp r2, 0x6 - bls _08009C14 - b _08009C70 - .pool -_08009C40: - movs r2, 0 - ldr r1, =gBlockRecvBuffer - mov r9, r1 - adds r7, r3, 0 - ldr r3, =gUnknown_03003090 - mov r8, r3 - lsls r5, r6, 8 - adds r3, r4, 0 -_08009C50: - ldrh r1, [r7] - lsrs r1, 1 - adds r1, r2 - lsls r1, 1 - adds r1, r5 - add r1, r9 - adds r2, 0x1 - lsls r0, r2, 1 - adds r0, r3 - add r0, r8 - ldrh r0, [r0] - strh r0, [r1] - lsls r2, 16 - lsrs r2, 16 - cmp r2, 0x6 - bls _08009C50 -_08009C70: - mov r4, r12 - adds r1, r4, r6 - lsls r1, 2 - add r1, r10 - ldrh r0, [r1] - adds r0, 0xE - movs r3, 0 - strh r0, [r1] - lsls r0, 16 - lsrs r0, 16 - ldrh r1, [r1, 0x2] - cmp r0, r1 - bcc _08009D6E - ldr r0, =gUnknown_03003078 - adds r0, r6, r0 - ldrb r0, [r0] - cmp r0, 0x1 - bne _08009D16 - lsls r1, r6, 8 - ldr r0, =gBlockRecvBuffer - adds r1, r0 - mov r8, r1 - lsls r0, r6, 3 - subs r0, r6 - lsls r0, 2 - ldr r1, =gLinkPlayers - adds r2, r0, r1 - adds r1, r2, 0 - mov r0, r8 - adds r0, 0x10 - ldm r0!, {r4,r5,r7} - stm r1!, {r4,r5,r7} - ldm r0!, {r4,r5,r7} - stm r1!, {r4,r5,r7} - ldr r0, [r0] - str r0, [r1] - ldrb r0, [r2] - subs r0, 0x1 - lsls r0, 16 - lsrs r0, 16 - cmp r0, 0x1 - bhi _08009CCA - strb r3, [r2, 0x12] - strb r3, [r2, 0x11] - strb r3, [r2, 0x10] -_08009CCA: - adds r0, r2, 0 - bl sub_800B524 - ldr r5, =gASCIIGameFreakInc - mov r0, r8 - adds r1, r5, 0 - bl strcmp - cmp r0, 0 - bne _08009CEC - mov r0, r8 - adds r0, 0x2C - adds r1, r5, 0 - bl strcmp - cmp r0, 0 - beq _08009D0C -_08009CEC: - ldr r0, =c2_800ACD4 - bl SetMainCallback2 - b _08009D6E - .pool -_08009D0C: - lsls r0, r6, 24 - lsrs r0, 24 - bl sub_8009A58 - b _08009D6E -_08009D16: - lsls r0, r6, 24 - lsrs r0, 24 - bl sub_800A588 - b _08009D6E -_08009D20: - ldr r0, =gUnknown_030030F0 - b _08009D2A - .pool -_08009D28: - ldr r0, =gUnknown_030030EC -_08009D2A: - adds r0, r6, r0 - movs r1, 0x1 - strb r1, [r0] - b _08009D6E - .pool -_08009D38: - bl sub_800A418 - b _08009D6E -_08009D3E: - ldr r3, =gUnknown_082ED1A8 - ldr r0, =gUnknown_03003090 - adds r0, 0x2 - adds r0, r4, r0 - ldrh r2, [r0] - lsls r2, 3 - adds r0, r2, r3 - ldr r1, [r0] - adds r3, 0x4 - adds r2, r3 - ldrh r2, [r2] - movs r0, 0 - bl SendBlock - b _08009D6E - .pool -_08009D64: - ldr r0, =gUnknown_03003090 - adds r0, 0x2 - adds r0, r4, r0 - ldrh r0, [r0] - strh r0, [r3] -_08009D6E: - ldr r5, [sp] - lsls r0, r5, 16 - lsrs r6, r0, 16 - cmp r6, 0x3 - bhi _08009D7A - b _08009AAE -_08009D7A: - add sp, 0x4 - pop {r3-r5} - mov r8, r3 - mov r9, r4 - mov r10, r5 - pop {r4-r7} - pop {r0} - bx r0 - .pool - thumb_func_end sub_8009AA0 - thumb_func_start sub_8009D90 sub_8009D90: @ 8009D90 push {lr} diff --git a/data/link.s b/data/link.s index 51e9d0c70..f679e4b14 100644 --- a/data/link.s +++ b/data/link.s @@ -7,13 +7,6 @@ .align 2 -gASCIIGameFreakInc:: @ 82ED1D4 - .ascii "GameFreak inc." - - .align 2 -gASCIITestPrint:: @ 82ED1E4 - .ascii "TEST PRINT\nP0\nP1\nP2\nP3" - .align 2 gUnknown_082ED1FC:: @ 82ED1FC BgTemplate .4byte 0x000001F8 diff --git a/include/decompress.h b/include/decompress.h index c3a771893..92292e9ce 100644 --- a/include/decompress.h +++ b/include/decompress.h @@ -26,4 +26,6 @@ void LoadSpecialPokePic(const struct CompressedSpriteSheet *src, void *dest, s32 void LoadSpecialPokePic_2(const struct CompressedSpriteSheet *src, void *dest, s32 species, u32 personality, bool8 isFrontPic); void LoadSpecialPokePic_DontHandleDeoxys(const struct CompressedSpriteSheet *src, void *dest, s32 species, u32 personality, bool8 isFrontPic); +extern u8 gDecompressionBuffer[]; + #endif // GUARD_DECOMPRESS_H diff --git a/src/link.c b/src/link.c index e99f6764f..4279c6efc 100644 --- a/src/link.c +++ b/src/link.c @@ -5,6 +5,7 @@ #include "save.h" #include "librfu.h" #include "rng.h" +#include "decompress.h" #include "string_util.h" #include "event_data.h" #include "gpu_regs.h" @@ -42,14 +43,14 @@ struct SIOCnt { IWRAM_DATA struct BlockTransfer gUnknown_03000D10; IWRAM_DATA u32 link_c_unused_03000d1c; -IWRAM_DATA struct BlockTransfer gUnknown_03000D20[4]; +IWRAM_DATA struct BlockTransfer gUnknown_03000D20[MAX_LINK_PLAYERS]; IWRAM_DATA u32 gUnknown_03000D50; IWRAM_DATA u32 gUnknown_03000D54; IWRAM_DATA u8 gUnknown_03000D58; IWRAM_DATA u32 gUnknown_03000D5C; IWRAM_DATA u32 gUnknown_03000D60; IWRAM_DATA u8 gUnknown_03000D64; -ALIGNED() IWRAM_DATA u8 gUnknown_03000D68[4]; +ALIGNED() IWRAM_DATA u8 gUnknown_03000D68[MAX_LINK_PLAYERS]; IWRAM_DATA u8 gUnknown_03000D6C; IWRAM_DATA bool8 gUnknown_03000D6D; IWRAM_DATA u16 gUnknown_03000D6E; @@ -71,15 +72,15 @@ u32 gUnknown_0300302C; struct LinkPlayerBlock gUnknown_03003030; bool8 gUnknown_0300306C; u32 gUnknown_03003070; -bool8 gUnknown_03003078[4]; -u8 gUnknown_0300307C[4]; +bool8 gUnknown_03003078[MAX_LINK_PLAYERS]; +u8 gUnknown_0300307C[MAX_LINK_PLAYERS]; u16 gUnknown_03003084; -u16 gUnknown_03003090[4][8]; +u16 gUnknown_03003090[MAX_LINK_PLAYERS][8]; u32 gUnknown_030030E0; u8 gUnknown_030030E4; bool8 gUnknown_030030E8; -u8 gUnknown_030030EC[4]; -u8 gUnknown_030030F0[4]; +u8 gUnknown_030030EC[MAX_LINK_PLAYERS]; +u8 gUnknown_030030F0[MAX_LINK_PLAYERS]; u16 gUnknown_030030F4; u8 gUnknown_030030F8; bool8 gLinkVSyncDisabled; @@ -90,7 +91,7 @@ bool8 gReceivedRemoteLinkPlayers; struct LinkTestBGInfo gUnknown_03003130; void (*gUnknown_03003140)(void); bool8 gUnknown_03003144; -u16 gUnknown_03003148[4]; +u16 gUnknown_03003148[MAX_LINK_PLAYERS]; u8 gUnknown_03003150; u8 gUnknown_03003160; @@ -104,17 +105,21 @@ struct LinkPlayer gUnknown_020229CC = {}; void sub_8009638(void); void sub_80096BC(void); -void c2_08009A8C(void); -void sub_8009AA0(u8 unused); +static void c2_08009A8C(void); +static void sub_8009AA0(u8 unused); void sub_800A2E0(void); void sub_800A2F4(void *heapptr, size_t src); +void sub_800A418(void); void task00_link_test(u8 taskId); +void sub_800A588(u8 who); u16 sub_800A648(u16 *src, u16 size); void sub_800A6E8(u32 pos, u8 a0, u8 a1, u8 a2); void sub_800A824(void); +void c2_800ACD4(void); void sub_800AEB4(void); void sub_800B330(bool8 flag); void sub_800B4A4(void); +void sub_800B524(struct LinkPlayer *linkPlayer); void sub_800B53C(void); void sub_800B594(void); u32 sub_800BEC0(void); @@ -130,10 +135,7 @@ const u16 gLinkTestDigitsPal[] = INCBIN_U16("graphics/interface/link_test_digits const u16 gLinkTestDigitsGfx[] = INCBIN_U16("graphics/interface/link_test_digits.4bpp"); const u8 unkstring_82ed160[] = _("{HIGHLIGHT TRANSPARENT}{COLOR WHITE}"); const u16 g2BlankTilesGfx[] = INCBIN_U16("graphics/interface/blank_1x2.4bpp"); -const struct { - void *data; - u16 size; -} gUnknown_082ED1A8[] = { +const struct BlockRequest gUnknown_082ED1A8[] = { {gUnknown_020228C4, 200}, {gUnknown_020228C4, 200}, {gUnknown_020228C4, 100}, @@ -146,6 +148,9 @@ const u8 gUnknown_082ED1D0[] = { REG_OFFSET_BG2CNT, REG_OFFSET_BG3CNT }; +const char gASCIIGameFreakInc[] = "GameFreak inc."; +const char gASCIITestPrint[] = "TEST PRINT\nP0\nP1\nP2\nP3"; + // .text @@ -215,7 +220,7 @@ void sub_8009570(void) gUnknown_020229C6 = 0x1111; sub_8009734(); SeedRng(gMain.vblankCounter2); - for (i = 0; i < 4; i ++) + for (i = 0; i < MAX_LINK_PLAYERS; i ++) { gSaveBlock2Ptr->playerTrainerId[i] = Random() % 256; } @@ -306,7 +311,7 @@ void sub_8009734(void) sub_800E700(); } gReceivedRemoteLinkPlayers = 0; - for (i = 0; i < 4; i ++) + for (i = 0; i < MAX_LINK_PLAYERS; i ++) { gUnknown_03003078[i] = 1; gUnknown_030030F0[i] = 0; @@ -335,7 +340,7 @@ static void sub_8009818(u8 nothing, u8 is, u8 used) sub_800A6E8(gUnknown_03000D10.pos, 2, 3, 2); gUnknown_03000D64 = gUnknown_03000D10.pos; } - for (i = 0; i < 4; i ++) + for (i = 0; i < MAX_LINK_PLAYERS; i ++) { if (gUnknown_03000D68[i] != gUnknown_03000D20[i].pos) { @@ -346,7 +351,7 @@ static void sub_8009818(u8 nothing, u8 is, u8 used) status = GetBlockReceivedStatus(); if (status == 0xF) // 0b1111 { - for (i = 0; i < 4; i ++) + for (i = 0; i < MAX_LINK_PLAYERS; i ++) { if ((status >> i) & 1) { @@ -394,7 +399,7 @@ void sub_8009900(void) } } -void c2_08009A8C(void) +static void c2_08009A8C(void) { sub_8009900(); sub_8009818(1, 1, 0); @@ -445,3 +450,125 @@ void sub_8009A58(u8 who) gReceivedRemoteLinkPlayers = 1; } } + +static void sub_8009AA0(u8 unused) +{ + u16 i; + + for (i = 0; i < MAX_LINK_PLAYERS; i ++) + { + gUnknown_03003020[i] = 0; + if (gUnknown_03003090[i][0] == 0) + { + continue; + } + switch (gUnknown_03003090[i][0]) + { + case 0x2222: + { + struct LinkPlayerBlock *block; + + sub_8009638(); + block = &gUnknown_03003030; + block->linkPlayer = gUnknown_020229CC; + memcpy(block->magic1, gASCIIGameFreakInc, sizeof(block->magic1) - 1); + memcpy(block->magic2, gASCIIGameFreakInc, sizeof(block->magic2) - 1); + sub_800A2F4(block, sizeof(*block)); + break; + } + case 0x4444: + gUnknown_03003020[i] = gUnknown_03003090[i][1]; + break; + case 0x5555: + gUnknown_030030E8 = 1; + break; + case 0x5566: + gUnknown_030030E8 = 1; + break; + case 0xBBBB: + { + struct BlockTransfer *blockRecv; + + blockRecv = &gUnknown_03000D20[i]; + blockRecv->pos = 0; + blockRecv->size = gUnknown_03003090[i][1]; + blockRecv->multiplayerId = gUnknown_03003090[i][2]; + break; + } + case 0x8888: + { + if (gUnknown_03000D20[i].size > BLOCK_BUFFER_SIZE) + { + u16 *buffer; + u16 j; + + buffer = (u16 *)gDecompressionBuffer; + for (j = 0; j < CMD_LENGTH - 1; j ++) + { + buffer[(gUnknown_03000D20[i].pos / 2) + j] = gUnknown_03003090[i][j + 1]; + } + } + else + { + u16 j; + + for (j = 0; j < CMD_LENGTH - 1; j ++) + { + gBlockRecvBuffer[i][(gUnknown_03000D20[i].pos / 2) + j] = gUnknown_03003090[i][j + 1]; + } + } + + gUnknown_03000D20[i].pos += (CMD_LENGTH - 1) * 2; + + if (gUnknown_03000D20[i].pos >= gUnknown_03000D20[i].size) + { + if (gUnknown_03003078[i] == TRUE) + { + struct LinkPlayerBlock *block; + struct LinkPlayer *linkPlayer; + + block = (struct LinkPlayerBlock *)&gBlockRecvBuffer[i]; + linkPlayer = &gLinkPlayers[i]; + *linkPlayer = block->linkPlayer; + if ((linkPlayer->version & 0xFF) == VERSION_RUBY || (linkPlayer->version & 0xFF) == VERSION_SAPPHIRE) + { + linkPlayer->name[10] = 0; + linkPlayer->name[9] = 0; + linkPlayer->name[8] = 0; + } + sub_800B524(linkPlayer); + if (strcmp(block->magic1, gASCIIGameFreakInc) != 0 + || strcmp(block->magic2, gASCIIGameFreakInc) != 0) + { + SetMainCallback2(c2_800ACD4); + } + else + { + sub_8009A58(i); + } + } + else + { + sub_800A588(i); + } + } + } + break; + case 0x5FFF: + gUnknown_030030F0[i] = 1; + break; + case 0x2FFE: + gUnknown_030030EC[i] = 1; + break; + case 0xAAAA: + sub_800A418(); + break; + case 0xCCCC: + SendBlock(0, gUnknown_082ED1A8[gUnknown_03003090[i][1]].address, gUnknown_082ED1A8[gUnknown_03003090[i][1]].size); + break; + case 0xCAFE: + gUnknown_03003020[i] = gUnknown_03003090[i][1]; + break; + } + } +}