Set 68000 bus/address undocumented bits.

diff --git a/newcpu.cpp b/newcpu.cpp
index 2676898da3fa4d0326e23fe64b8e3b62afd36dcb..1eb5196f9269c71d89117ec2cd0fd125f084f411 100644 (file)
--- a/newcpu.cpp
+++ b/newcpu.cpp
@@ -2141,6 +2141,8 @@ static void Exception_ce000 (int nr)
        if (nr == 2 || nr == 3) { /* 2=bus error, 3=address error */
                uae_u16 mode = (sv ? 4 : 0) | (last_instructionaccess_for_exception_3 ? 2 : 1);
                mode |= last_writeaccess_for_exception_3 ? 0 : 16;
+               // undocumented bits seem to contain opcode
+               mode |= last_op_for_exception_3 & ~31;
                m68k_areg (regs, 7) -= 14;
                /* fixme: bit3=I/N */
                x_put_word (m68k_areg (regs, 7) + 12, last_addr_for_exception_3);