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b6100: don't write to speaker on tkbs

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hap 2022-09-12 21:59:12 +02:00
parent 356c809820
commit b190d8a2a8
2 changed files with 7 additions and 0 deletions
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6
src/devices/cpu/rw5000/b6100.cpp
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@ -97,6 +97,12 @@ bool b6100_cpu_device::op_is_lb(u8 op)
// changed opcodes (no need for separate file) // changed opcodes (no need for separate file)
//------------------------------------------------- //-------------------------------------------------
void b6100_cpu_device::op_tkbs()
{
// TKBS: load segments (no TKB step)
seg_w(m_seg | decode_digit(ram_r()));
}
void b6100_cpu_device::op_read() void b6100_cpu_device::op_read()
{ {
// READ: add KB to A, skip next on no overflow // READ: add KB to A, skip next on no overflow

1
src/devices/cpu/rw5000/b6100.h
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@ -63,6 +63,7 @@ protected:
void data_48x4(address_map &map); void data_48x4(address_map &map);
// opcode handlers // opcode handlers
virtual void op_tkbs() override;
virtual void op_read() override; virtual void op_read() override;
}; };