diff options
Diffstat (limited to 'src/link_rfu.c')
| -rw-r--r-- | src/link_rfu.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/src/link_rfu.c b/src/link_rfu.c new file mode 100644 index 000000000..9cc4b497a --- /dev/null +++ b/src/link_rfu.c @@ -0,0 +1,352 @@ + +// Includes +#include "global.h" +#include "link.h" +#include "librfu.h" +#include "link_rfu.h" + +// Static type declarations + +// Static RAM declarations + +struct UnkRfuStruct_1 gUnknown_03004140; +struct UnkRfuStruct_2 gUnknown_03005000; + +IWRAM_DATA u8 gUnknown_03000D74; +ALIGNED(4) IWRAM_DATA u8 gUnknown_03000D78[8]; +IWRAM_DATA u8 gUnknown_03000D80[16]; +IWRAM_DATA u16 gUnknown_03000D90[8]; + +EWRAM_DATA u8 gUnknown_02022B10 = 0; +EWRAM_DATA struct UnkLinkRfuStruct_02022B14 gUnknown_02022B14 = {}; +EWRAM_DATA struct UnkLinkRfuStruct_02022B2C gUnknown_02022B2C = {}; + +// Static ROM declarations + +void sub_800C000(void); +void sub_800CEB0(u16 unk0); +void sub_800C7B4(u16 unk0, u16 unk1); +void sub_800D30C(u8 a0, u8 a1); +void sub_800D334(u8 a0); +void sub_800D610(void); + +// .rodata + +// .text + +u32 sub_800BEC0(void) +{ + u32 r4; + + r4 = rfu_REQBN_softReset_and_checkID(); + if (r4 == 0x8001) + { + gUnknown_03004140.unk_08 = 1; + } + if (gUnknown_03004140.unk_04 != 0x17 && gUnknown_03004140.unk_04 != 0x01) + { + gUnknown_03004140.unk_05 = 0; + gUnknown_03004140.unk_04 = 0; + } + gUnknown_03004140.unk_07 = 0; + gUnknown_03004140.unk_0d = 0; + gUnknown_03004140.unk_01 = 0; + gUnknown_03004140.unk_00 = 0; + gUnknown_03004140.unk_06 = -1; + sub_800D610(); + return r4; +} + +void rfu_REQ_sendData_wrapper(u8 r2) +{ + u8 val; + if (!gUnknown_03007890->unk_00) + { + val = gUnknown_03004140.unk_02; + r2 = 0; + if (val == 1) + { + r2 = 1; + } + } + else + { + gUnknown_03004140.unk_03 = 0; + } + rfu_REQ_sendData(r2); +} + +int sub_800BF4C(void (*func1)(u8), void (*func2)(void)) +{ + if (func1 == NULL) + { + return 4; + } + CpuFill16(0, &gUnknown_03004140, offsetof(struct UnkRfuStruct_1, filler_48)); + gUnknown_03004140.unk_06 = -1; + gUnknown_03004140.unk_40 = func1; + gUnknown_03004140.unk_44 = func2; + rfu_setMSCCallback(sub_800CEB0); + rfu_setREQCallback(sub_800C7B4); + return 0; +} + +void sub_800BFA0(void) +{ + CpuFill16(0, &gUnknown_03004140, offsetof(struct UnkRfuStruct_1, unk_40)); + gUnknown_03004140.unk_06 = -1; +} + +void sub_800BFCC(struct UnkLinkRfuStruct_02022B2C *unk0) +{ + sub_800C000(); + gUnknown_03004140.unk_04 = 1; + gUnknown_03004140.unk_05 = 2; + gUnknown_03004140.unk_3c = unk0; + gUnknown_03004140.unk_09 = unk0->unk_11; + gUnknown_03004140.unk_32 = unk0->unk_12; + gUnknown_03004140.unk_18 = unk0->unk_14; + if (unk0->unk_10) + { + gUnknown_03004140.unk_0b = 1; + } +} + +void sub_800C000(void) +{ + u8 i; + + gUnknown_03004140.unk_05 = 0; + gUnknown_03004140.unk_04 = 0; + gUnknown_03004140.unk_06 = -1; + gUnknown_03004140.unk_07 = 0; + gUnknown_03004140.unk_10 = 0; + gUnknown_03004140.unk_0c = 0; + gUnknown_03004140.unk_24 = 0; + gUnknown_03004140.unk_30 = 0; + for (i = 0; i < 4; i++) + { + gUnknown_03004140.unk_28[i] = 0; + gUnknown_03004140.unk_34[i] = 0; + } +} + +void sub_800C048(void) +{ + gUnknown_03004140.unk_04 = 0x15; +} + +u8 sub_800C054(u8 r5, u16 r7, u16 r8, u16 *r6) +{ + u8 i; + u16 *buffer; + + if (gUnknown_03004140.unk_04 != 0 && (gUnknown_03004140.unk_04 != 0x08 || r5 != 1)) + { + gUnknown_03004140.unk_14 = 1; + sub_800D30C(0xf3, 0x01); + return 1; + } + if (!rfu_getMasterSlave()) + { + gUnknown_03004140.unk_14 = 2; + sub_800D30C(0xf3, 0x01); + return 2; + } + for (i = 0, buffer = r6; i < 16; i++) + { + if (*buffer++ == 0xFFFF) + { + break; + } + } + if (i == 16) + { + gUnknown_03004140.unk_14 = 4; + sub_800D30C(0xf3, 0x01); + return 4; + } + if (r5 > 1) + { + gUnknown_03004140.unk_07 = 1; + r5 = 1; + r7 = 0; + } + else + { + gUnknown_03004140.unk_07 = 0; + } + if (r5 != 0) + { + gUnknown_03004140.unk_04 = 5; + } + else + { + gUnknown_03004140.unk_04 = 9; + if (gUnknown_03004140.unk_0b) + { + gUnknown_03004140.unk_0b = 2; + } + } + gUnknown_03004140.unk_06 = r5; + gUnknown_03004140.unk_1a = r7; + gUnknown_03004140.unk_26 = r8; + gUnknown_03004140.unk_20 = r6; + return 0; +} + +u8 sub_800C12C(u16 r6, u16 r8) +{ + u8 i; + struct RfuUnk5 *tmp; + + if (gUnknown_03004140.unk_04 != 0 && (gUnknown_03004140.unk_04 < 9 || gUnknown_03004140.unk_04 > 11)) + { + gUnknown_03004140.unk_14 = 1; + sub_800D30C(0xF3, 0x01); + return 1; + } + if (!rfu_getMasterSlave()) + { + gUnknown_03004140.unk_14 = 2; + sub_800D30C(0xF3, 0x01); + return 2; + } + for (i = 0; i < gUnknown_03007890->unk_08; i++) + { + tmp = &gUnknown_03007890[i]; + if (tmp->unk_14 == r6) + { + break; + } + } + if (gUnknown_03007890->unk_08 == 0 || i == gUnknown_03007890->unk_08) + { + gUnknown_03004140.unk_14 = 3; + sub_800D30C(0xF3, 0x01); + return 3; + } + if (gUnknown_03004140.unk_04 == 0 || gUnknown_03004140.unk_04 == 9) + { + gUnknown_03004140.unk_04 = 12; + gUnknown_03004140.unk_05 = 13; + } + else + { + gUnknown_03004140.unk_04 = 11; + gUnknown_03004140.unk_05 = 12; + } + gUnknown_03004140.unk_1e = r6; + gUnknown_03004140.unk_1a = r8; + if (gUnknown_03004140.unk_07 != 0) + { + gUnknown_03004140.unk_07 = 7; + } + return 0; +} + +void sub_800C210(u8 a0) +{ + u8 i; + + if (a0 & gUnknown_03004140.unk_30) + { + gUnknown_03004140.unk_30 &= ~a0; + for (i = 0; i < 4; i++) + { + if ((a0 >> i) & 1) + { + gUnknown_03004140.unk_34[i] = 0; + } + } + i = gUnknown_03007890->unk_03 & a0; + if (i) + { + sub_800D334(i); + } + gUnknown_03004140.unk_14 = i; + sub_800D30C(0x33, i); + } +} + +void sub_800C27C(bool8 a0) +{ + u8 r2; + + r2 = 0; + gUnknown_03004140.unk_07 = 0; + if (a0) + { + sub_800C000(); + gUnknown_03004140.unk_04 = 23; + } + else + { + switch (gUnknown_03004140.unk_04) + { + case 5: + gUnknown_03004140.unk_04 = 8; + gUnknown_03004140.unk_05 = 0; + r2 = 0x13; + break; + case 6: + gUnknown_03004140.unk_04 = 7; + gUnknown_03004140.unk_05 = 8; + break; + case 7: + gUnknown_03004140.unk_04 = 7; + gUnknown_03004140.unk_05 = 8; + break; + case 8: + break; + case 9: + gUnknown_03004140.unk_05 = 0; + gUnknown_03004140.unk_04 = 0; + r2 = 0x21; + break; + case 10: + gUnknown_03004140.unk_04 = 11; + gUnknown_03004140.unk_05 = 0; + break; + case 11: + gUnknown_03004140.unk_04 = 11; + gUnknown_03004140.unk_05 = 0; + break; + case 12: + gUnknown_03004140.unk_05 = 0; + gUnknown_03004140.unk_04 = 0; + r2 = 0x23; + break; + case 13: + gUnknown_03004140.unk_04 = 14; + break; + case 14: + gUnknown_03004140.unk_04 = 14; + break; + case 15: + break; + case 16: + gUnknown_03004140.unk_04 = gUnknown_03004140.unk_11; + gUnknown_03004140.unk_05 = gUnknown_03004140.unk_12; + sub_800D334(gUnknown_03007890->unk_03); + gUnknown_03004140.unk_14 = gUnknown_03007890->unk_03; + sub_800D30C(0x33, 0x01); + return; + case 17: + gUnknown_03004140.unk_04 = 18; + break; + case 18: + gUnknown_03004140.unk_04 = 18; + break; + default: + gUnknown_03004140.unk_05 = 0; + gUnknown_03004140.unk_04 = 0; + r2 = 0x43; + break; + } + if (gUnknown_03004140.unk_04 == 0) + { + sub_800D30C(r2, 0); + } + } +} |