From 5145a851a2d645791e6d3d89ca00706cf7656319 Mon Sep 17 00:00:00 2001 From: red031000 Date: Mon, 31 Aug 2020 14:42:00 +0100 Subject: arm9 MI_init --- arm9/lib/src/MI_init.c | 11 +++++++++++ arm9/lib/src/OS_init.c | 2 +- arm9/lib/src/OS_reset.c | 2 +- 3 files changed, 13 insertions(+), 2 deletions(-) create mode 100644 arm9/lib/src/MI_init.c (limited to 'arm9/lib/src') diff --git a/arm9/lib/src/MI_init.c b/arm9/lib/src/MI_init.c new file mode 100644 index 00000000..266a5f2f --- /dev/null +++ b/arm9/lib/src/MI_init.c @@ -0,0 +1,11 @@ +#include "nitro/types.h" +#include "function_target.h" +#include "MI_dma.h" + +extern void MI_SetWramBank(u32 param0); + +ARM_FUNC void MI_Init(void) +{ + MI_SetWramBank(3); + MI_StopDma(0); +} diff --git a/arm9/lib/src/OS_init.c b/arm9/lib/src/OS_init.c index 5bd435e7..00355853 100644 --- a/arm9/lib/src/OS_init.c +++ b/arm9/lib/src/OS_init.c @@ -1,8 +1,8 @@ #include "function_target.h" #include "OS_init.h" +#include "MI_init.h" extern void PXI_Init(void); -extern void MI_Init(void); extern void CTRDG_Init(void); extern void CARD_Init(void); extern void PM_Init(void); diff --git a/arm9/lib/src/OS_reset.c b/arm9/lib/src/OS_reset.c index a458a8fa..03781947 100644 --- a/arm9/lib/src/OS_reset.c +++ b/arm9/lib/src/OS_reset.c @@ -7,6 +7,7 @@ #include "OS_spinLock.h" #include "OS_cache.h" #include "sections.h" +#include "MI_dma.h" static u16 OSi_IsInitReset = 0; vu16 OSi_IsResetOccurred = 0; @@ -16,7 +17,6 @@ extern u32 PXI_IsCallbackReady(u32 param1, u32 param2); extern void PXI_SetFifoRecvCallback(u32 param1, void* callback); extern u32 PXI_SendWordByFifo(u32 param1, u32 data, u32 param2); extern void CARD_LockRom(u16 lockId); -extern void MI_StopDma(u32 dma); static void OSi_CommonCallback(PXIFifoTag tag, u32 data, BOOL err); static void OSi_SendToPxi(u16 data); -- cgit v1.2.3 From e30abae941b5f61a9d943ffdc6dae7f0ea087118 Mon Sep 17 00:00:00 2001 From: red031000 Date: Mon, 31 Aug 2020 14:55:44 +0100 Subject: arm9 MI_wram --- arm9/lib/src/MI_init.c | 5 ++--- arm9/lib/src/MI_wram.c | 8 ++++++++ 2 files changed, 10 insertions(+), 3 deletions(-) create mode 100644 arm9/lib/src/MI_wram.c (limited to 'arm9/lib/src') diff --git a/arm9/lib/src/MI_init.c b/arm9/lib/src/MI_init.c index 266a5f2f..4556e95a 100644 --- a/arm9/lib/src/MI_init.c +++ b/arm9/lib/src/MI_init.c @@ -1,11 +1,10 @@ #include "nitro/types.h" #include "function_target.h" #include "MI_dma.h" - -extern void MI_SetWramBank(u32 param0); +#include "MI_wram.h" ARM_FUNC void MI_Init(void) { - MI_SetWramBank(3); + MI_SetWramBank(MI_WRAM_ARM7_ALL); MI_StopDma(0); } diff --git a/arm9/lib/src/MI_wram.c b/arm9/lib/src/MI_wram.c new file mode 100644 index 00000000..a65bbb6f --- /dev/null +++ b/arm9/lib/src/MI_wram.c @@ -0,0 +1,8 @@ +#include "function_target.h" +#include "consts.h" +#include "MI_wram.h" + +ARM_FUNC void MI_SetWramBank(MIWram cnt) +{ + reg_GX_VRAMCNT_WRAM = (u8)cnt; +} -- cgit v1.2.3 From 79a290495b0b1fe4df5f8f55d9b3f008410ae83d Mon Sep 17 00:00:00 2001 From: red031000 Date: Mon, 31 Aug 2020 15:21:01 +0100 Subject: arm9 MI_uncompress --- arm9/lib/src/MI_uncompress.c | 59 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 arm9/lib/src/MI_uncompress.c (limited to 'arm9/lib/src') diff --git a/arm9/lib/src/MI_uncompress.c b/arm9/lib/src/MI_uncompress.c new file mode 100644 index 00000000..c6ad7e4e --- /dev/null +++ b/arm9/lib/src/MI_uncompress.c @@ -0,0 +1,59 @@ +#include "function_target.h" +#include "MI_uncompress.h" + +ARM_FUNC asm void MI_UncompressLZ8(register const void *srcp, register void *destp) +{ + stmfd sp!, {r4-r6, lr} + + ldr r5, [r0], #4 + mov r2, r5, lsr #8 + +_020CE534: + cmp r2, #0 + ble _020CE5B4 + + ldrb lr, [r0], #1 + mov r4, #8 + +_020CE544: + subs r4, r4, #1 + blt _020CE534 + + tst lr, #0x80 + bne _020CE568 + + ldrb r6, [r0], #1 + swpb r6, r6, [r1] + add r1, r1, #1 + sub r2, r2, #1 + b _020CE5A4 + +_020CE568: + ldrb r5, [r0, #0] + mov r6, #3 + add r3, r6, r5, asr #4 + ldrb r6, [r0], #1 + and r5, r6, #0xf + mov r12, r5, lsl #8 + ldrb r6, [r0], #1 + orr r5, r6, r12 + add r12, r5, #1 + sub r2, r2, r3 + +_020CE590: + ldrb r5, [r1, -r12] + swpb r5, r5, [r1] + add r1, r1, #1 + subs r3, r3, #1 + bgt _020CE590 + +_020CE5A4: + cmp r2, #0 + movgt lr, lr, lsl #1 + bgt _020CE544 + b _020CE534 + +_020CE5B4: + ldmfd sp!, {r4-r6, lr} + bx lr +} -- cgit v1.2.3