Yoshi's Story
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https://github.com/shygoo/ys-project
OS and Graphic Functions
0x80282210,osSendMesg 0x80282360,osPfsFreeBlocks 0x802824b0,osRecvMesg 0x802825f0,osSetIntMask 0x80282690,guScaleF 0x802826e4,guScale 0x80282730,__sinf/fsin/sinf 0x802828f0,sins 0x80282c20,__ull_rshift 0x80282c4c,__ull_rem 0x80282c88,__ull_div 0x80282cc4,__ll_lshift 0x80282cf0,__ll_rem 0x80282d2c,__ll_div 0x80282d88,__ll_mul 0x80282db8,__ull_divremi 0x80282e18,__ll_mod 0x80282eb4,__ll_rshift 0x802846e0,__osDequeueThread 0x80284720,osDestroyThread 0x80284820,bzero/_bzero/blkclr/_blkclr 0x80285b10,osCreateThread 0x80285f60,osVirtualToPhysical 0x80285fe0,osWritebackDCache 0x802862f0,osPiRawReadIo 0x802863b0,__osSetSR 0x802863c0,__osGetSR 0x802863d0,guPerspectiveF 0x80286600,guPerspective 0x80286660,__osSpRawStartDma 0x802866f0,__osSiRawStartDma 0x802867a0,osViBlack 0x80286810,__osSiRawReadIo 0x80286810,__osSpRawReadIo 0x80286860,osSpTaskYield 0x80286880,osGetThreadId 0x802868a0,osPfsReadWriteFile 0x80286da0,guMtxF2L 0x80286ea0,guMtxIdentF 0x80286f28,guMtxIdent 0x80286f58,guMtxL2F 0x80287010,osViSetMode 0x80287080,guLookAtF 0x80287338,guLookAt 0x80287b50,osPfsAllocateFile 0x80287fd4,__osPfsDeclearPage 0x80288300,__osProbeTLB 0x802883c0,osGetCount 0x802883d0,__osSumcalc 0x8028842c,__osIdCheckSum 0x80288494,__osRepairPackId 0x802888ac,__osCheckPackId 0x80288a44,__osGetId 0x80288ca0,__osCheckId 0x80288d9c,__osPfsRWInode 0x802890bc,__osPfsSelectBank 0x8028ab60,osEPiStartDma 0x8028ad80,memcpy 0x8028adac,strlen 0x8028add4,strchr 0x8028ae20,osCreateMesgQueue 0x8028ae50,osInvalICache 0x8028aed0,osInvalDCache 0x8028af80,__osSpDeviceBusy 0x8028afb0,__osSiDeviceBusy 0x8028afe0,osJamMesg 0x8028b130,osSetThreadPri 0x8028b210,osGetThreadPri 0x8028b230,osViSwapBuffer 0x8028b280,guMtxXFML 0x8028b2e0,guMtxCatL 0x8028b340,guMtxXFMF 0x8028b3e0,guMtxCatF 0x8028b780,osSpTaskYielded 0x8028b800,bcmp/_bcmp 0x8028b920,osGetTime 0x8028bdb0,__osSetGlobalIntMask 0x8028be00,osAiSetFrequency 0x8028bf60,osDpGetCounters 0x8028bfb0,__osContAddressCrc 0x8028c060,__osContDataCrc 0x8028c140,__osSetCompare 0x8028c150,guNormalize 0x8028c1e0,osDpSetStatus 0x8028c1f0,bcopy/_bcopy 0x8028c500,__osResetGlobalIntMask 0x8028cb80,guOrthoF 0x8028ccd4,guOrtho 0x8028cd40,__osDisableInt 0x8028cd60,__osRestoreInt 0x8028cec0,__osViSwapContext 0x8028d220,osPiGetCmdQueue 0x8028d250,__cosf/fcos/cosf 0x8028d3c0,coss 0x8028d3f0,osViSetSpecialFeatures 0x8028d5b0,osViSetEvent 0x8028d960,osPfsNumFiles 0x8028dc30,osContSetCh 0x8028dca0,__osSetFpcCsr 0x8028dcb0,osPfsFileState 0x8028e480,osPfsChecker 0x8028eb44,corrupted_init 0x8028ecf8,corrupted 0x8028eee0,osAiGetLength 0x8028f090,osMapTLBRdb 0x8028f0f0,osYieldThread 0x8028f140,guTranslateF 0x8028f188,guTranslate 0x8028f6d0,osSetTimer 0x8028f7b0,_Ldtob 0x80290270,lldiv 0x80290370,ldiv 0x80290400,_Litob 0x802906a0,__osSpRawWriteIo 0x802906a0,__osSiRawWriteIo 0x802906f0,__osSpSetStatus 0x80290700,__osSpGetStatus 0x80290710,osWritebackDCacheAll 0x80290ab0,__d_to_ll 0x80290acc,__f_to_ll 0x80290ae8,__d_to_ull 0x80290b88,__f_to_ull 0x80290c24,__ll_to_d 0x80290c3c,__ll_to_f 0x80290c54,__ull_to_d 0x80290c88,__ull_to_f 0x80290cc0,osStartThread 0x80290e20,osCreateViManager 0x802914f0,osViGetCurrentFramebuffer 0x802914f0,osViGetNextFramebuffer 0x80291530,__osSpSetPc 0x802aac60,osViModeNtscLpn1 0x802aacb0,osViModeNtscLpf1 0x802aad50,osViModeNtscLaf1 0x802aada0,osViModeNtscLpn2 0x802aadf0,osViModeNtscLpf2 0x802aae40,osViModeNtscLan2 0x802aae90,osViModeNtscLaf2 0x802aaee0,osViModeNtscHpn1 0x802aaf30,osViModeNtscHpf1 0x802aaf80,osViModeNtscHan1 0x802aafd0,osViModeNtscHaf1 0x802ab020,osViModeNtscHpn2 0x802ab070,osViModeNtscHpf2 0x802ab520,osViModeMpalLpn1 0x802ab570,osViModeMpalLpf1 0x802ab610,osViModeMpalLaf1 0x802ab660,osViModeMpalLpn2 0x802ab6b0,osViModeMpalLpf2 0x802ab700,osViModeMpalLan2 0x802ab750,osViModeMpalLaf2 0x802ab7a0,osViModeMpalHpn1 0x802ab7f0,osViModeMpalHpf1 0x802ab840,osViModeMpalHan1 0x802ab890,osViModeMpalHaf1 0x802ab8e0,osViModeMpalHpn2 0x802ab930,osViModeMpalHpf2
Notes
803D5CC0 - gets level names for trial mode 800F8E5C - unlocks levels in trial mode 803D5EC4 - column 1 803D5EF0 - column 2 803D5F1C - column 3 803D5F48 - column 4 803D7944 - level one button 0x165 - button active 8005DCF4 - hides buttons if 0x165 = 0x01 803D6AE0 - checks if level open to let you select 803D6B28 - selects level, A0 is current object (button) 803D6B64 - hand motion 803D6BA0 - fade screen and load level 803D6BE0 - upper nibble for row, lower for column 803D6CB0 - loads from level table 803D6f8c 800F8dfc - current level 803E9DE0 - loads level byte from 803eab50 existing levels: Row 1:2B 33 0D 12 Row 2:2E 13 10 17 Row 3:34 28 20 0E Row 4:11 16 0C 1B Row 5:15 1E 1F 1C Row 6:0F 23 22 18 unused:80 3E 7B B8 Extra levels ID: 00 - nintendo logo 01 - Name entry 02 - yoshi select 03 - score screen 04 - main menu 05 - lucky fruit 06 - score screen 2 07 - name entry 2 08 - yoshi death 09 - japanese trial screen 0A - options 14 - score screen 3 19 - practice stage 1A - score screen 4 1D - yoshi death 2 24 - test map 1 25 - test map 2 (0xB50F94) 27 - test map 3 (800A79D8/0xB5114C) 2A - unused 'Mode Challenge' 2C - unused 'Challenge' 4B - white shyguy cutscene 4C - ending cutscene 4E - final boss 4F - blank level with yoshi select sounds (800A7B18) 50 - main menu A5 - blubber boss A9 - final boss no music B0 - death warp (last in table) //LEVEL SCRIPTS 8006E06C - handles level ID 800F8438 - level ID **below 0x4f are treated differently? 800284AC - special level params? 8006DA0C - process level ID into addresses 800A78A0(0xA84A0) - list of level scripts in bank 0x04 (00B47A10 ROM) 8007DF0C - A1 is ROM location of level script //REPLACE FIRST LEVEL WITH TEST MAP 2 0xC03730: 25
Source: Skulex
C Source
Pretty useless uncompiled source code found in ROM
#include <bg_debug.h>
#if USE_DEBUGMODE
enum {
REG_TESTMODE = REG_HAYAKAWA_BEGIN,
REG_SCALE,
REG_ROTATE /* MAX 15 ITEMS */
};
#endif /* USE_DEBUGMODE */
REGINIT(SCALE, 1);
REGINIT(ROTATE, 0);
if (REG(TESTMODE)) {
transform(REG(SCALE), REG(ROTATE));
}
#include <bg_debug.h>
REGINITN(NISIWAKI, 0, 1);
if (REGN(NISIWAKI, 0)) {
transform(REGN(NISIWAKI, 1), REGN(NISIWAKI, 2));
}