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Wiseguy 2024-05-20 08:49:11 -04:00 • committed by GitHub
parent b47b52f540
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7 changed files with 143 additions and 143 deletions
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48
librecomp/src/dp.cpp
View file

@ -1,30 +1,30 @@
#include "recomp.h"
enum class RDPStatusBit {
XbusDmem = 0,
Freeze = 1,
Flush = 2,
CommandBusy = 6,
BufferReady = 7,
DmaBusy = 8,
EndValid = 9,
StartValid = 10,
XbusDmem = 0,
Freeze = 1,
Flush = 2,
CommandBusy = 6,
BufferReady = 7,
DmaBusy = 8,
EndValid = 9,
StartValid = 10,
};
constexpr void update_bit(uint32_t& state, uint32_t flags, RDPStatusBit bit) {
int set_bit_pos = (int)bit * 2 + 0;
int reset_bit_pos = (int)bit * 2 + 1;
bool set = (flags & (1U << set_bit_pos)) != 0;
bool reset = (flags & (1U << reset_bit_pos)) != 0;
int set_bit_pos = (int)bit * 2 + 0;
int reset_bit_pos = (int)bit * 2 + 1;
bool set = (flags & (1U << set_bit_pos)) != 0;
bool reset = (flags & (1U << reset_bit_pos)) != 0;
if (set ^ reset) {
if (set) {
state |= (1U << (int)bit);
}
else {
state &= ~(1U << (int)bit);
}
}
if (set ^ reset) {
if (set) {
state |= (1U << (int)bit);
}
else {
state &= ~(1U << (int)bit);
}
}
}
uint32_t rdp_state = 1 << (int)RDPStatusBit::BufferReady;
@ -34,11 +34,11 @@ extern "C" void osDpSetNextBuffer_recomp(uint8_t* rdram, recomp_context* ctx) {
}
extern "C" void osDpGetStatus_recomp(uint8_t* rdram, recomp_context* ctx) {
ctx->r2 = rdp_state;
ctx->r2 = rdp_state;
}
extern "C" void osDpSetStatus_recomp(uint8_t* rdram, recomp_context* ctx) {
update_bit(rdp_state, ctx->r4, RDPStatusBit::XbusDmem);
update_bit(rdp_state, ctx->r4, RDPStatusBit::Freeze);
update_bit(rdp_state, ctx->r4, RDPStatusBit::Flush);
update_bit(rdp_state, ctx->r4, RDPStatusBit::XbusDmem);
update_bit(rdp_state, ctx->r4, RDPStatusBit::Freeze);
update_bit(rdp_state, ctx->r4, RDPStatusBit::Flush);
}

120
librecomp/src/flash.cpp
View file

@ -21,22 +21,22 @@ void save_clear(uint32_t start, uint32_t size, char value);
std::array<char, page_size> write_buffer;
extern "C" void osFlashInit_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = ultramodern::flash_handle;
ctx->r2 = ultramodern::flash_handle;
}
extern "C" void osFlashReadStatus_recomp(uint8_t * rdram, recomp_context * ctx) {
PTR(u8) flash_status = ctx->r4;
PTR(u8) flash_status = ctx->r4;
MEM_B(0, flash_status) = 0;
MEM_B(0, flash_status) = 0;
}
extern "C" void osFlashReadId_recomp(uint8_t * rdram, recomp_context * ctx) {
PTR(u32) flash_type = ctx->r4;
PTR(u32) flash_maker = ctx->r5;
PTR(u32) flash_type = ctx->r4;
PTR(u32) flash_maker = ctx->r5;
// Mimic a real flash chip's type and maker, as some games actually check if one is present.
MEM_W(0, flash_type) = 0x11118001;
MEM_W(0, flash_maker) = 0x00C2001E;
// Mimic a real flash chip's type and maker, as some games actually check if one is present.
MEM_W(0, flash_type) = 0x11118001;
MEM_W(0, flash_maker) = 0x00C2001E;
}
extern "C" void osFlashClearStatus_recomp(uint8_t * rdram, recomp_context * ctx) {
@ -44,98 +44,98 @@ extern "C" void osFlashClearStatus_recomp(uint8_t * rdram, recomp_context * ctx)
}
extern "C" void osFlashAllErase_recomp(uint8_t * rdram, recomp_context * ctx) {
save_clear(0, ultramodern::save_size, 0xFF);
save_clear(0, ultramodern::save_size, 0xFF);
ctx->r2 = 0;
ctx->r2 = 0;
}
extern "C" void osFlashAllEraseThrough_recomp(uint8_t * rdram, recomp_context * ctx) {
save_clear(0, ultramodern::save_size, 0xFF);
save_clear(0, ultramodern::save_size, 0xFF);
ctx->r2 = 0;
ctx->r2 = 0;
}
// This function is named sector but really means page.
extern "C" void osFlashSectorErase_recomp(uint8_t * rdram, recomp_context * ctx) {
uint32_t page_num = (uint32_t)ctx->r4;
uint32_t page_num = (uint32_t)ctx->r4;
// Prevent out of bounds erase
if (page_num >= page_count) {
ctx->r2 = -1;
return;
}
// Prevent out of bounds erase
if (page_num >= page_count) {
ctx->r2 = -1;
return;
}
save_clear(page_num * page_size, page_size, 0xFF);
save_clear(page_num * page_size, page_size, 0xFF);
ctx->r2 = 0;
ctx->r2 = 0;
}
// Same naming issue as above.
extern "C" void osFlashSectorEraseThrough_recomp(uint8_t * rdram, recomp_context * ctx) {
uint32_t page_num = (uint32_t)ctx->r4;
uint32_t page_num = (uint32_t)ctx->r4;
// Prevent out of bounds erase
if (page_num >= page_count) {
ctx->r2 = -1;
return;
}
// Prevent out of bounds erase
if (page_num >= page_count) {
ctx->r2 = -1;
return;
}
save_clear(page_num * page_size, page_size, 0xFF);
save_clear(page_num * page_size, page_size, 0xFF);
ctx->r2 = 0;
ctx->r2 = 0;
}
extern "C" void osFlashCheckEraseEnd_recomp(uint8_t * rdram, recomp_context * ctx) {
// All erases are blocking in this implementation, so this should always return OK.
ctx->r2 = 0; // FLASH_STATUS_ERASE_OK
// All erases are blocking in this implementation, so this should always return OK.
ctx->r2 = 0; // FLASH_STATUS_ERASE_OK
}
extern "C" void osFlashWriteBuffer_recomp(uint8_t * rdram, recomp_context * ctx) {
OSIoMesg* mb = TO_PTR(OSIoMesg, ctx->r4);
int32_t pri = ctx->r5;
PTR(void) dramAddr = ctx->r6;
PTR(OSMesgQueue) mq = ctx->r7;
// Copy the input data into the write buffer
for (size_t i = 0; i < page_size; i++) {
write_buffer[i] = MEM_B(i, dramAddr);
}
OSIoMesg* mb = TO_PTR(OSIoMesg, ctx->r4);
int32_t pri = ctx->r5;
PTR(void) dramAddr = ctx->r6;
PTR(OSMesgQueue) mq = ctx->r7;
// Copy the input data into the write buffer
for (size_t i = 0; i < page_size; i++) {
write_buffer[i] = MEM_B(i, dramAddr);
}
// Send the message indicating write completion
osSendMesg(PASS_RDRAM mq, 0, OS_MESG_NOBLOCK);
// Send the message indicating write completion
osSendMesg(PASS_RDRAM mq, 0, OS_MESG_NOBLOCK);
ctx->r2 = 0;
ctx->r2 = 0;
}
extern "C" void osFlashWriteArray_recomp(uint8_t * rdram, recomp_context * ctx) {
uint32_t page_num = ctx->r4;
uint32_t page_num = ctx->r4;
// Copy the write buffer into the save file
save_write_ptr(write_buffer.data(), page_num * page_size, page_size);
// Copy the write buffer into the save file
save_write_ptr(write_buffer.data(), page_num * page_size, page_size);
ctx->r2 = 0;
ctx->r2 = 0;
}
extern "C" void osFlashReadArray_recomp(uint8_t * rdram, recomp_context * ctx) {
OSIoMesg* mb = TO_PTR(OSIoMesg, ctx->r4);
int32_t pri = ctx->r5;
uint32_t page_num = ctx->r6;
PTR(void) dramAddr = ctx->r7;
uint32_t n_pages = MEM_W(0x10, ctx->r29);
PTR(OSMesgQueue) mq = MEM_W(0x14, ctx->r29);
OSIoMesg* mb = TO_PTR(OSIoMesg, ctx->r4);
int32_t pri = ctx->r5;
uint32_t page_num = ctx->r6;
PTR(void) dramAddr = ctx->r7;
uint32_t n_pages = MEM_W(0x10, ctx->r29);
PTR(OSMesgQueue) mq = MEM_W(0x14, ctx->r29);
uint32_t offset = page_num * page_size;
uint32_t count = n_pages * page_size;
uint32_t offset = page_num * page_size;
uint32_t count = n_pages * page_size;
// Read from the save file into the provided buffer
save_read(PASS_RDRAM dramAddr, offset, count);
// Read from the save file into the provided buffer
save_read(PASS_RDRAM dramAddr, offset, count);
// Send the message indicating read completion
osSendMesg(PASS_RDRAM mq, 0, OS_MESG_NOBLOCK);
// Send the message indicating read completion
osSendMesg(PASS_RDRAM mq, 0, OS_MESG_NOBLOCK);
ctx->r2 = 0;
ctx->r2 = 0;
}
extern "C" void osFlashChange_recomp(uint8_t * rdram, recomp_context * ctx) {
assert(false);
assert(false);
}

16
librecomp/src/pak.cpp
View file

@ -3,33 +3,33 @@
#include <ultramodern/ultramodern.hpp>
extern "C" void osPfsInitPak_recomp(uint8_t * rdram, recomp_context* ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsFreeBlocks_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsAllocateFile_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsDeleteFile_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsFileState_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsFindFile_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsReadWriteFile_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}
extern "C" void osPfsChecker_recomp(uint8_t * rdram, recomp_context * ctx) {
ctx->r2 = 1; // PFS_ERR_NOPACK
ctx->r2 = 1; // PFS_ERR_NOPACK
}

2
librecomp/src/patch_loading.cpp
View file

@ -7,5 +7,5 @@
void load_special_overlay(const SectionTableEntry& section, int32_t ram);
void load_patch_functions() {
load_special_overlay(section_table[0], section_table[0].ram_addr);
load_special_overlay(section_table[0], section_table[0].ram_addr);
}

70
ultramodern/src/audio.cpp
View file

@ -7,32 +7,32 @@ static uint32_t sample_rate = 48000;
static ultramodern::audio_callbacks_t audio_callbacks;
void set_audio_callbacks(const ultramodern::audio_callbacks_t& callbacks) {
audio_callbacks = callbacks;
audio_callbacks = callbacks;
}
void ultramodern::init_audio() {
// Pick an initial dummy sample rate; this will be set by the game later to the true sample rate.
set_audio_frequency(48000);
// Pick an initial dummy sample rate; this will be set by the game later to the true sample rate.
set_audio_frequency(48000);
}
void ultramodern::set_audio_frequency(uint32_t freq) {
if (audio_callbacks.set_frequency) {
audio_callbacks.set_frequency(freq);
}
sample_rate = freq;
if (audio_callbacks.set_frequency) {
audio_callbacks.set_frequency(freq);
}
sample_rate = freq;
}
void ultramodern::queue_audio_buffer(RDRAM_ARG PTR(int16_t) audio_data_, uint32_t byte_count) {
// Ensure that the byte count is an integer multiple of samples.
assert((byte_count & 1) == 0);
// Ensure that the byte count is an integer multiple of samples.
assert((byte_count & 1) == 0);
// Calculate the number of samples from the number of bytes.
uint32_t sample_count = byte_count / sizeof(int16_t);
// Calculate the number of samples from the number of bytes.
uint32_t sample_count = byte_count / sizeof(int16_t);
// Queue the swapped audio data.
if (audio_callbacks.queue_samples) {
audio_callbacks.queue_samples(TO_PTR(int16_t, audio_data_), sample_count);
}
// Queue the swapped audio data.
if (audio_callbacks.queue_samples) {
audio_callbacks.queue_samples(TO_PTR(int16_t, audio_data_), sample_count);
}
}
// For SDL2
@ -44,24 +44,24 @@ float buffer_offset_frames = 0.5f;
// the remaining sample count and reporting a number that's too high here can lead to issues.
// Reporting a number that's too low can lead to audio lag in some games.
uint32_t ultramodern::get_remaining_audio_bytes() {
// Get the number of remaining buffered audio bytes.
uint32_t buffered_byte_count;
if (audio_callbacks.get_frames_remaining != nullptr) {
buffered_byte_count = audio_callbacks.get_frames_remaining() * 2 * sizeof(int16_t);
}
else {
buffered_byte_count = 100;
}
// Adjust the reported count to be some number of refreshes in the future, which helps ensure that
// there are enough samples even if the audio thread experiences a small amount of lag. This prevents
// audio popping on games that use the buffered audio byte count to determine how many samples
// to generate.
uint32_t samples_per_vi = (sample_rate / 60);
if (buffered_byte_count > static_cast<uint32_t>(buffer_offset_frames * sizeof(int16_t) * samples_per_vi)) {
buffered_byte_count -= static_cast<uint32_t>(buffer_offset_frames * sizeof(int16_t) * samples_per_vi);
}
else {
buffered_byte_count = 0;
}
return buffered_byte_count;
// Get the number of remaining buffered audio bytes.
uint32_t buffered_byte_count;
if (audio_callbacks.get_frames_remaining != nullptr) {
buffered_byte_count = audio_callbacks.get_frames_remaining() * 2 * sizeof(int16_t);
}
else {
buffered_byte_count = 100;
}
// Adjust the reported count to be some number of refreshes in the future, which helps ensure that
// there are enough samples even if the audio thread experiences a small amount of lag. This prevents
// audio popping on games that use the buffered audio byte count to determine how many samples
// to generate.
uint32_t samples_per_vi = (sample_rate / 60);
if (buffered_byte_count > static_cast<uint32_t>(buffer_offset_frames * sizeof(int16_t) * samples_per_vi)) {
buffered_byte_count -= static_cast<uint32_t>(buffer_offset_frames * sizeof(int16_t) * samples_per_vi);
}
else {
buffered_byte_count = 0;
}
return buffered_byte_count;
}

16
ultramodern/src/events.cpp
View file

@ -458,14 +458,14 @@ extern "C" void osViSetMode(RDRAM_ARG PTR(OSViMode) mode_) {
#define VI_CTRL_PIXEL_ADV_3 0x03000
#define VI_CTRL_DITHER_FILTER_ON 0x10000
#define OS_VI_GAMMA_ON 0x0001
#define OS_VI_GAMMA_OFF 0x0002
#define OS_VI_GAMMA_DITHER_ON 0x0004
#define OS_VI_GAMMA_DITHER_OFF 0x0008
#define OS_VI_DIVOT_ON 0x0010
#define OS_VI_DIVOT_OFF 0x0020
#define OS_VI_DITHER_FILTER_ON 0x0040
#define OS_VI_DITHER_FILTER_OFF 0x0080
#define OS_VI_GAMMA_ON 0x0001
#define OS_VI_GAMMA_OFF 0x0002
#define OS_VI_GAMMA_DITHER_ON 0x0004
#define OS_VI_GAMMA_DITHER_OFF 0x0008
#define OS_VI_DIVOT_ON 0x0010
#define OS_VI_DIVOT_OFF 0x0020
#define OS_VI_DITHER_FILTER_ON 0x0040
#define OS_VI_DITHER_FILTER_OFF 0x0080
extern "C" void osViSetSpecialFeatures(uint32_t func) {
if ((func & OS_VI_GAMMA_ON) != 0) {

14
ultramodern/src/misc_ultra.cpp
View file

@ -1,12 +1,12 @@
#include "ultra64.h"
#define K0BASE 0x80000000
#define K1BASE 0xA0000000
#define K2BASE 0xC0000000
#define IS_KSEG0(x) ((u32)(x) >= K0BASE && (u32)(x) < K1BASE)
#define IS_KSEG1(x) ((u32)(x) >= K1BASE && (u32)(x) < K2BASE)
#define K0_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg0 to physical */
#define K1_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF) /* kseg1 to physical */
#define K0BASE 0x80000000
#define K1BASE 0xA0000000
#define K2BASE 0xC0000000
#define IS_KSEG0(x) ((u32)(x) >= K0BASE && (u32)(x) < K1BASE)
#define IS_KSEG1(x) ((u32)(x) >= K1BASE && (u32)(x) < K2BASE)
#define K0_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF)
#define K1_TO_PHYS(x) ((u32)(x)&0x1FFFFFFF)
u32 osVirtualToPhysical(PTR(void) addr) {
uintptr_t addr_val = (uintptr_t)addr;