09114: SH2 disassembly: In the MAC.L instruction, "left" and "right" registers are confused.

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
09114	Debugger	Typo	Always	Feb 13, 2025, 13:37	Feb 15, 2025, 16:31

Tester	VasiliyFamiliya	View Status	Public	Platform	MAME (Official Binary)
Assigned To	cuavas	Resolution	Fixed	OS	Windows 10/11 (64-bit)
Status [?]	Resolved			Driver
Version	0.274	Fixed in Version	0.275	Build	64-bit
		Fixed in Git Commit	fc9598d	Github Pull Request #

Summary	09114: SH2 disassembly: In the MAC.L instruction, "left" and "right" registers are confused.
Description	For comparsion, $410f opcode are disassemblying as MAC.W @R0+, @R1+ while $010f - as MAC.L @R1+, @R0+.
Steps To Reproduce	Disassemly any random program for any SH2-based system and search for 010f hex word.
Additional Information	Hitachi's official datasheet: https://antime.kapsi.fi/sega/files/h12p0.pdf
Github Commit

Flags
Regression Version
Affected Sets / Systems	SH2 disassembly

Attached Files