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53c9x changes of the night (August 11th, 2025)

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1. Add the original AMD 53c974 (AMD bios only and revision 0x00 compared to the A revision which is 0x10 in the PCI regs) as well as correcting the SCSI bus reset when prompted (ESP CMD 0x03), the latter fixes DawiControl 53c974 drivers on win9x.
2. Check if DMA length is not 0 for DMA transfers.
3. More logs for possible problem diagnostics.
This commit is contained in:
TC1995
2025-08-11 22:48:30 +02:00
parent 11ad059661
commit d60602dd5d
3 changed files with 89 additions and 17 deletions
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1
src/include/86box/scsi_pcscsi.h
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@@ -26,6 +26,7 @@
#define SCSI_PCSCSI_H
extern const device_t am53c974_pci_device;
extern const device_t am53c974a_pci_device;
extern const device_t dc390_pci_device;
extern const device_t ncr53c90a_mca_device;