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-rw-r--r--hw/scsi/esp-pci.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index 419fc668ac..d956909186 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -59,7 +59,7 @@
 #define DMA_STAT_SCSIINT 0x10
 #define DMA_STAT_BCMBLT  0x20
 
-#define SBAC_STATUS 0x1000
+#define SBAC_STATUS (1 << 24)
 
 typedef struct PCIESPState {
     /*< private >*/
@@ -136,7 +136,7 @@ static void esp_pci_dma_write(PCIESPState *pci, uint32_t saddr, uint32_t val)
         pci->dma_regs[saddr] = val;
         break;
     case DMA_STAT:
-        if (!(pci->sbac & SBAC_STATUS)) {
+        if (pci->sbac & SBAC_STATUS) {
             /* clear some bits on write */
             uint32_t mask = DMA_STAT_ERROR | DMA_STAT_ABORT | DMA_STAT_DONE;
             pci->dma_regs[DMA_STAT] &= ~(val & mask);
@@ -157,7 +157,7 @@ static uint32_t esp_pci_dma_read(PCIESPState *pci, uint32_t saddr)
         if (pci->esp.rregs[ESP_RSTAT] & STAT_INT) {
             val |= DMA_STAT_SCSIINT;
         }
-        if (pci->sbac & SBAC_STATUS) {
+        if (!(pci->sbac & SBAC_STATUS)) {
             pci->dma_regs[DMA_STAT] &= ~(DMA_STAT_ERROR | DMA_STAT_ABORT |
                                          DMA_STAT_DONE);
         }