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isbx: add possiblity to read option lines

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This commit is contained in:
Dirk Best 2015-06-16 11:07:39 +02:00
parent c61df431e0
commit 733667d7f9
1 changed files with 4 additions and 0 deletions
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4
src/emu/bus/isbx/isbx.h
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@ -83,7 +83,9 @@ public:
virtual void mcs1_w(address_space &space, offs_t offset, UINT8 data) { }
virtual UINT8 mdack_r(address_space &space, offs_t offset) { return 0xff; }
virtual void mdack_w(address_space &space, offs_t offset, UINT8 data) { }
virtual int opt0_r() { return 1; }
virtual void opt0_w(int state) { }
virtual int opt1_r() { return 1; }
virtual void opt1_w(int state) { }
virtual void tdma_w(int state) { }
virtual void mclk_w(int state) { }
@ -115,7 +117,9 @@ public:
DECLARE_READ8_MEMBER( mdack_r ) { return m_card ? m_card->mdack_r(space, offset) : 0xff; }
DECLARE_WRITE8_MEMBER( mdack_w ) { if (m_card) m_card->mdack_w(space, offset, data); }
DECLARE_READ_LINE_MEMBER( mpst_r ) { return m_card == NULL; }
DECLARE_READ_LINE_MEMBER( opt0_r ) { return m_card ? m_card->opt0_r() : 1; }
DECLARE_WRITE_LINE_MEMBER( opt0_w ) { if (m_card) m_card->opt0_w(state); }
DECLARE_READ_LINE_MEMBER( opt1_r ) { return m_card ? m_card->opt1_r() : 1; }
DECLARE_WRITE_LINE_MEMBER( opt1_w ) { if (m_card) m_card->opt1_w(state); }
DECLARE_WRITE_LINE_MEMBER( tdma_w ) { if (m_card) m_card->tdma_w(state); }
DECLARE_WRITE_LINE_MEMBER( mclk_w ) { if (m_card) m_card->mclk_w(state); }