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pcecd: don't fill FIFO before seek.

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This commit is contained in:
sorgelig
2020-05-08 19:53:48 +08:00
parent 3a866e8ff1
commit 39d60da096
2 changed files with 17 additions and 19 deletions
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1
support/pcecd/pcecd.h
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@@ -94,6 +94,7 @@ private:
//uint8_t state;
int CDDAStart;
int CDDAEnd;
int CDDAFirst;
uint8_t CDDAMode;
sense_t sense;

35
support/pcecd/pcecdd.cpp
View File

@@ -390,18 +390,25 @@ void pcecdd_t::Update() {
return;
DISKLED_ON;
FileSeek(&this->toc.tracks[index].f, (this->lba * 2352) - this->toc.tracks[index].offset, SEEK_SET);
sec_buf[0] = 0x30;
sec_buf[1] = 0x09;
ReadCDDA(sec_buf + 2);
for (int i = 0; i <= this->CDDAFirst; i++)
{
FileSeek(&this->toc.tracks[index].f, (this->lba * 2352) - this->toc.tracks[index].offset, SEEK_SET);
if (SendData)
SendData(sec_buf, 2352 + 2, PCECD_DATA_IO_INDEX);
sec_buf[0] = 0x30;
sec_buf[1] = 0x09;
ReadCDDA(sec_buf + 2);
//printf("\x1b[32mPCECD: Audio sector send = %i, track = %i, offset = %i\n\x1b[0m", this->lba, this->index, (this->lba * 2352) - this->toc.tracks[index].offset);
if (SendData)
SendData(sec_buf, 2352 + 2, PCECD_DATA_IO_INDEX);
//printf("\x1b[32mPCECD: Audio sector send = %i, track = %i, offset = %i\n\x1b[0m", this->lba, this->index, (this->lba * 2352) - this->toc.tracks[index].offset);
this->lba++;
}
this->CDDAFirst = 0;
this->lba++;
if (this->lba > this->CDDAEnd)
{
if (this->CDDAMode == PCECD_CDDAMODE_LOOP) {
@@ -604,6 +611,7 @@ void pcecdd_t::CommandExec() {
this->CDDAStart = new_lba;
this->CDDAEnd = this->toc.tracks[index].end;
this->CDDAMode = comm[1];
this->CDDAFirst = 1;
if (this->CDDAMode == PCECD_CDDAMODE_SILENT) {
this->state = PCECD_STATE_PAUSE;
@@ -612,17 +620,6 @@ void pcecdd_t::CommandExec() {
this->state = PCECD_STATE_PLAY;
}
FileSeek(&this->toc.tracks[index].f, (this->lba * 2352) - this->toc.tracks[index].offset, SEEK_SET);
sec_buf[0] = 0x30;
sec_buf[1] = 0x09;
ReadCDDA(sec_buf + 2);
if (SendData)
SendData(sec_buf, 2352 + 2, PCECD_DATA_IO_INDEX);
this->lba++;
PendStatus(PCECD_STATUS_GOOD, 0);
}
printf("\x1b[32mPCECD: Command SAPSP, start = %d, end = %d, [1] = %02X, [2] = %02X, [9] = %02X\n\x1b[0m", this->CDDAStart, this->CDDAEnd, comm[1], comm[2], comm[9]);