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pcecd: fix multifile CD, adjust default menu position.

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This commit is contained in:
sorgelig
2020-04-25 08:11:38 +08:00
parent ce45d3f2da
commit d5cd08bde9
5 changed files with 34 additions and 59 deletions
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68
support/pcecd/pcecdd.cpp
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@@ -141,19 +141,19 @@ int pcecdd_t::LoadCUE(const char* filename) {
{
if (strstr(lptr, "MODE1/2048"))
{
this->sectorSize = 2048;
this->toc.tracks[this->toc.last].sector_size = 2048;
this->toc.tracks[this->toc.last].type = 1;
}
else if (strstr(lptr, "MODE1/2352"))
{
this->sectorSize = 2352;
this->toc.tracks[this->toc.last].sector_size = 2352;
this->toc.tracks[this->toc.last].type = 1;
FileSeek(&this->toc.tracks[this->toc.last].f, 0x10, SEEK_SET);
}
else if (strstr(lptr, "AUDIO"))
{
this->sectorSize = 2352;
this->toc.tracks[this->toc.last].sector_size = 2352;
this->toc.tracks[this->toc.last].type = 0;
FileSeek(&this->toc.tracks[this->toc.last].f, 0, SEEK_SET);
@@ -195,7 +195,7 @@ int pcecdd_t::LoadCUE(const char* filename) {
else if ((sscanf(lptr, "INDEX 01 %02d:%02d:%02d", &mm, &ss, &bb) == 3) ||
(sscanf(lptr, "INDEX 1 %02d:%02d:%02d", &mm, &ss, &bb) == 3))
{
this->toc.tracks[this->toc.last].offset += pregap * 2352;
this->toc.tracks[this->toc.last].offset = pregap * this->toc.tracks[this->toc.last].sector_size;
if (!this->toc.tracks[this->toc.last].f.opened())
{
@@ -211,11 +211,8 @@ int pcecdd_t::LoadCUE(const char* filename) {
FileSeek(&this->toc.tracks[this->toc.last].f, 0, SEEK_SET);
this->toc.tracks[this->toc.last].start = this->toc.end + pregap;
this->toc.tracks[this->toc.last].offset += this->toc.end * 2352;
int sectorSize = 2352;
if (this->toc.tracks[this->toc.last].type) sectorSize = this->sectorSize;
this->toc.tracks[this->toc.last].end = this->toc.tracks[this->toc.last].start + ((this->toc.tracks[this->toc.last].f.size + sectorSize - 1) / sectorSize);
this->toc.tracks[this->toc.last].offset += this->toc.tracks[this->toc.last].start * this->toc.tracks[this->toc.last].sector_size;
this->toc.tracks[this->toc.last].end = this->toc.tracks[this->toc.last].start + ((this->toc.tracks[this->toc.last].f.size + this->toc.tracks[this->toc.last].sector_size - 1) / this->toc.tracks[this->toc.last].sector_size);
this->toc.tracks[this->toc.last].start += (bb + ss * 75 + mm * 60 * 75);
this->toc.end = this->toc.tracks[this->toc.last].end;
@@ -243,46 +240,13 @@ int pcecdd_t::LoadCUE(const char* filename) {
int pcecdd_t::Load(const char *filename)
{
//char fname[1024 + 10];
static char header[1024];
fileTYPE *fd_img;
Unload();
if (LoadCUE(filename)) {
return (-1);
}
fd_img = &this->toc.tracks[0].f;
FileSeek(fd_img, 0, SEEK_SET);
FileReadAdv(fd_img, header, 0x10);
if (!memcmp("SEGADISCSYSTEM", header, 14))
{
this->sectorSize = 2048;
}
else
{
FileReadAdv(fd_img, header, 0x10);
if (!memcmp("SEGADISCSYSTEM", header, 14))
{
this->sectorSize = 2352;
}
}
if (this->sectorSize)
{
FileReadAdv(fd_img, header + 0x10, 0x200);
FileSeek(fd_img, 0, SEEK_SET);
}
else
{
FileClose(fd_img);
return (-1);
}
printf("\x1b[32mPCECD: Sector size = %u, Track 0 end = %u\n\x1b[0m", this->sectorSize, this->toc.tracks[0].end);
printf("\x1b[32mPCECD: Tr0 Sector size = %u, Tr0 end = %u\n\x1b[0m", this->toc.tracks[0].sector_size, this->toc.tracks[0].end);
if (this->toc.last)
{
@@ -315,7 +279,6 @@ void pcecdd_t::Unload()
}
memset(&this->toc, 0x00, sizeof(this->toc));
this->sectorSize = 0;
}
void pcecdd_t::Reset() {
@@ -551,13 +514,10 @@ void pcecdd_t::CommandExec() {
lba_ = this->toc.tracks[index].start;
}
if (this->toc.tracks[index].type)
if (this->toc.tracks[index].f.opened())
{
FileSeek(&this->toc.tracks[0].f, lba_ * this->sectorSize, SEEK_SET);
}
else if (this->toc.tracks[index].f.opened())
{
FileSeek(&this->toc.tracks[index].f, (lba_ * 2352) - this->toc.tracks[index].offset, SEEK_SET);
int offset = (lba_ * this->toc.tracks[index].sector_size) - this->toc.tracks[index].offset;
FileSeek(&this->toc.tracks[index].f, offset, SEEK_SET);
}
this->audioOffset = 0;
@@ -760,16 +720,16 @@ void pcecdd_t::ReadData(uint8_t *buf)
{
if (this->toc.tracks[this->index].type && (this->lba >= 0))
{
if (this->sectorSize == 2048)
if (this->toc.tracks[this->index].sector_size == 2048)
{
FileSeek(&this->toc.tracks[0].f, this->lba * 2048, SEEK_SET);
FileSeek(&this->toc.tracks[this->index].f, this->lba * 2048 - this->toc.tracks[this->index].offset, SEEK_SET);
}
else
{
FileSeek(&this->toc.tracks[0].f, this->lba * 2352 + 16, SEEK_SET);
FileSeek(&this->toc.tracks[this->index].f, this->lba * 2352 + 16 - this->toc.tracks[this->index].offset, SEEK_SET);
}
FileReadAdv(&this->toc.tracks[0].f, buf, 2048);
FileReadAdv(&this->toc.tracks[this->index].f, buf, 2048);
}
}