cdrom: delay the missed irq more

[pcsx_rearmed.git] / libpcsxcore / cdrom.c

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index cdb7a1e..3d38078 100644 (file)
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -566,6 +566,7 @@ static int cdrSeekTime(unsigned char *target)
        return seekTime;
 }
 
+static void cdrUpdateTransferBuf(const u8 *buf);
 static void cdrReadInterrupt(void);
 static void cdrPrepCdda(s16 *buf, int samples);
 static void cdrAttenuate(s16 *buf, int samples, int stereo);
@@ -652,6 +653,18 @@ void cdrInterrupt(void) {
                CDR_LOG_I("cdrom: cmd %02x with irqstat %x\n", cdr.CmdInProgress, cdr.Stat);
                return;
        }
+       if (cdr.Irq1Pending) {
+               // hand out the "newest" sector, according to nocash
+               cdrUpdateTransferBuf(CDR_getBuffer());
+               CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n",
+                       cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
+               SetResultSize(1);
+               cdr.Result[0] = cdr.Irq1Pending;
+               cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady;
+               cdr.Irq1Pending = 0;
+               setIrq(0x205);
+               return;
+       }
 
        cdr.Ctrl &= ~0x80;
 
@@ -1268,25 +1281,6 @@ static void cdrReadInterrupt(void)
        CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0);
 }
 
-static void doMissedIrqs(void)
-{
-       if (cdr.Irq1Pending)
-       {
-               // hand out the "newest" sector, according to nocash
-               cdrUpdateTransferBuf(CDR_getBuffer());
-               CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n",
-                       cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
-               SetResultSize(1);
-               cdr.Result[0] = cdr.Irq1Pending;
-               cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady;
-               cdr.Irq1Pending = 0;
-               setIrq(0x205);
-               return;
-       }
-       if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && cdr.CmdInProgress)
-               CDR_INT(256);
-}
-
 /*
 cdrRead0:
        bit 0,1 - mode
@@ -1431,15 +1425,18 @@ void cdrWrite3(unsigned char rt) {
        case 0:
                break; // transfer
        case 1:
+               if (cdr.Stat & rt) {
 #ifdef CDR_LOG_CMD_IRQ
-               if (cdr.Stat & rt)
-                       SysPrintf("ack %02x\n", cdr.Stat & rt);
+                       SysPrintf("ack %02x (w %02x)\n", cdr.Stat & rt, rt);
 #endif
+                       if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) &&
+                           (cdr.CmdInProgress || cdr.Irq1Pending))
+                               CDR_INT(2000); // 710+
+               }
                cdr.Stat &= ~rt;
 
                if (rt & 0x40)
                        cdr.ParamC = 0;
-               doMissedIrqs();
                return;
        case 2:
                cdr.AttenuatorLeftToRightT = rt;