5380 DRQ bit stays active until DMA is disabled. (FastTrak needs this)

diff --git a/scsi.cpp b/scsi.cpp
index e87f9f54a140346c989632ffe90fe714243bcd14..c783f3ce1cf9df2c8e706217800be61dea7a9c31 100644 (file)
--- a/scsi.cpp
+++ b/scsi.cpp
@@ -821,6 +821,7 @@ struct soft_scsi
        bool dma_active;
        bool dma_started;
        bool dma_controller;
+       bool dma_drq;
        struct romconfig *rc;
        struct soft_scsi **self_ptr;
 
@@ -1850,7 +1851,8 @@ uae_u8 ncr5380_bget(struct soft_scsi *scsi, int reg)
                        if (scsi->irq) {
                                v |= 1 << 4;
                        }
-                       if (scsi->dma_active && !scsi->dma_controller && r->bus_phase == (scsi->regs[3] & 7)) {
+                       if (scsi->dma_drq || (scsi->dma_active && !scsi->dma_controller && r->bus_phase == (scsi->regs[3] & 7))) {
+                               scsi->dma_drq = true;
                                v |= 1 << 6;
                        }
                        if (scsi->regs[2] & 4) {
@@ -1942,6 +1944,7 @@ void ncr5380_bput(struct soft_scsi *scsi, int reg, uae_u8 v)
                        scsi->regs[5] &= ~(0x80 | 0x40);
                        scsi->dma_direction = 0;
                        scsi->dma_active = false;
+                       scsi->dma_drq = false;
                }
                break;
                case 5: