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Diffstat (limited to 'src/mame/drivers/apple2gs.cpp')
-rw-r--r--src/mame/drivers/apple2gs.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mame/drivers/apple2gs.cpp b/src/mame/drivers/apple2gs.cpp
index 5f576c4c527..9297b828f8a 100644
--- a/src/mame/drivers/apple2gs.cpp
+++ b/src/mame/drivers/apple2gs.cpp
@@ -4869,8 +4869,9 @@ void apple2gs_state::apple2gs(machine_config &config)
m_doc->set_addrmap(0, &apple2gs_state::a2gs_es5503_map);
m_doc->irq_func().set(FUNC(apple2gs_state::doc_irq_w));
m_doc->adc_func().set(FUNC(apple2gs_state::doc_adc_read));
- m_doc->add_route(0, "lspeaker", 1.0);
- m_doc->add_route(1, "rspeaker", 1.0);
+ // IIgs Tech Node #19 says even channels are right, odd are left, and 80s/90s stereo cards followed that.
+ m_doc->add_route(0, "rspeaker", 1.0);
+ m_doc->add_route(1, "lspeaker", 1.0);
/* RAM */
RAM(config, m_ram).set_default_size("2M").set_extra_options("1M,3M,4M,5M,6M,7M,8M").set_default_value(0x00);