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cpu/xa: Implemented add with indexed addressing mode for source. (#12795)

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Used by the tripfevb microcontroller program.
The game no longer causes a fatal error, but hangs instead.
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mamehaze 2024-09-20 18:26:31 +01:00 committed by GitHub
parent fa683e7ac9
commit 79f85a600a
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2 changed files with 3 additions and 3 deletions
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2
src/devices/cpu/xa/xa_ops.cpp
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@ -1123,7 +1123,7 @@ void xa_cpu::aluop_byte_rd_rsoff8(int alu_op, u8 rd, u8 rs, u8 offset8)
} }
} }
void xa_cpu::add_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8) { fatalerror("ADD.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);} void xa_cpu::add_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8) { u16 rdval = gr16(rd); u16 fulloffset = util::sext(offset8, 8); u16 address = get_addr(rs) + fulloffset; u16 val = rdat16(address); u16 result = do_add_16(rdval, val); sr16(rd, result); cy(6); }
void xa_cpu::addc_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8){ fatalerror("ADDC.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);} void xa_cpu::addc_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8){ fatalerror("ADDC.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);}
void xa_cpu::sub_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8) { fatalerror("SUB.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);} void xa_cpu::sub_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8) { fatalerror("SUB.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);}
void xa_cpu::subb_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8){ fatalerror("SUBB.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);} void xa_cpu::subb_word_rd_rsoff8(u8 rd, u8 rs, u8 offset8){ fatalerror("SUBB.w %s, [%s+#$%02x]", m_regnames16[rd], m_regnames16[rs], offset8);}

4
src/mame/igs/igs_m027xa.cpp
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@ -6,8 +6,8 @@
IGS ARM7 (IGS027A) based Mahjong / Gambling platform(s) with XA sub-cpu IGS ARM7 (IGS027A) based Mahjong / Gambling platform(s) with XA sub-cpu
These games use the IGS027A processor. These games use the IGS027A processor.
Triple Fever (V105US) (tripfevb) causes MAME to exit with Triple Fever (V105US) (tripfevb) hangs after paying out tickets, with the MCU
"Fatal error: ADD.w R0, [R7+#$02]" after paying out tickets. apparently attempting serial communication with something.
*/ */