diff mbox series

[v2,22/23] mac_via: fix rtc command decoding from PRAM addresses 0x0 to 0xf

Message ID 20230531125400.288917-23-mark.cave-ayland@ilande.co.uk (mailing list archive)
State New, archived
Headers show
Series q800: add support for booting MacOS Classic - part 1 | expand

Commit Message

Mark Cave-Ayland May 31, 2023, 12:53 p.m. UTC 
A comparison between the rtc command table included in the comment and the code
itself shows that the decoding for PRAM addresses 0x0 to 0xf is being done on
the raw command, and not the shifted version held in value.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
---
 hw/misc/mac_via.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/misc/mac_via.c b/hw/misc/mac_via.c
index 076d18e5fd..85c2e65856 100644
--- a/hw/misc/mac_via.c
+++ b/hw/misc/mac_via.c
@@ -399,7 +399,7 @@  static int via1_rtc_compact_cmd(uint8_t value)
         } else if ((value & 0x1c) == 0x08) {
             /* RAM address 0x10 to 0x13 */
             return read | (REG_PRAM_ADDR + 0x10 + (value & 0x03));
-        } else if ((value & 0x43) == 0x41) {
+        } else if ((value & 0x10) == 0x10) {
             /* RAM address 0x00 to 0x0f */
             return read | (REG_PRAM_ADDR + (value & 0x0f));
         }