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-rw-r--r--src/devices/bus/plus4/exp.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/devices/bus/plus4/exp.h b/src/devices/bus/plus4/exp.h
index 35dc291fa52..0fc56396ca9 100644
--- a/src/devices/bus/plus4/exp.h
+++ b/src/devices/bus/plus4/exp.h
@@ -101,6 +101,11 @@ public:
template <class Object> devcb_base &set_cd_wr_callback(Object &&cb) { return m_write_dma_cd.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_aec_wr_callback(Object &&cb) { return m_write_aec.set_callback(std::forward<Object>(cb)); }
+ auto irq_wr_callback() { return m_write_irq.bind(); }
+ auto cd_rd_callback() { return m_read_dma_cd.bind(); }
+ auto cd_wr_callback() { return m_write_dma_cd.bind(); }
+ auto aec_wr_callback() { return m_write_aec.bind(); }
+
// computer interface
uint8_t cd_r(address_space &space, offs_t offset, uint8_t data, int ba, int cs0, int c1l, int c2l, int cs1, int c1h, int c2h);
void cd_w(address_space &space, offs_t offset, uint8_t data, int ba, int cs0, int c1l, int c2l, int cs1, int c1h, int c2h);