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174ff2242b
work! [ChangeLog.sky] * sky-vu.h (vu_device): Represent "macro instruction just stuffed into fetch buffer" condition with new "m" bit. Rename old "m" to "l". * sky-libvpe.c (indebug): Save snapshot of environment value; workaround for suspected memory corruption. (fetch_inst): Respect new "m" macro-instruction flag for reporting successful fetch to caller. (exec_inst): Disassemble instruction here instead of fetch time. Renamed old "m" -> "l" flag in VU state to track interlock release. (vpecallms_cycle): Call exec_inst only if fetch_inst did some work. * sky-vu.c (vu_attach, vu[01]_device): Revamped initialization to ensure complete clear of tail part of struct at attach time. (vu0_busy): Fix thinko. (vu0_macro_issue): Adapt to new "l" flag. (vu0_micro_interlock_released): Ditto. (write_vu_special_reg): Ditto. (read_vu_special_reg): Compute VBS0/VBS1 bits more explicitly. The other VU status bits are not yet computed. [ChangeLog] * interp.c (decode_coproc): Do not apply superfluous E (end) flag to upper code of generated VU instruction.