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Diffstat (limited to 'src/devices/machine/am9517a.h')
-rw-r--r--src/devices/machine/am9517a.h51
1 files changed, 45 insertions, 6 deletions
diff --git a/src/devices/machine/am9517a.h b/src/devices/machine/am9517a.h
index 37390a930d3..a1e9215d125 100644
--- a/src/devices/machine/am9517a.h
+++ b/src/devices/machine/am9517a.h
@@ -61,8 +61,8 @@ public:
template <unsigned C> auto out_iow_callback() { return m_out_iow_cb[C].bind(); }
template <unsigned C> auto out_dack_callback() { return m_out_dack_cb[C].bind(); }
- virtual DECLARE_READ8_MEMBER( read );
- virtual DECLARE_WRITE8_MEMBER( write );
+ virtual uint8_t read(offs_t offset);
+ virtual void write(offs_t offset, uint8_t data);
DECLARE_WRITE_LINE_MEMBER( hack_w );
DECLARE_WRITE_LINE_MEMBER( ready_w );
@@ -95,9 +95,9 @@ protected:
struct
{
uint32_t m_address;
- uint16_t m_count;
+ uint32_t m_count;
uint32_t m_base_address;
- uint16_t m_base_count;
+ uint32_t m_base_count;
uint8_t m_mode;
} m_channel[4];
@@ -149,8 +149,8 @@ public:
template <unsigned C> auto in_io16r_callback() { return m_in_io16r_cb[C].bind(); }
template <unsigned C> auto out_io16w_callback() { return m_out_io16w_cb[C].bind(); }
- virtual DECLARE_READ8_MEMBER( read ) override;
- virtual DECLARE_WRITE8_MEMBER( write ) override;
+ virtual uint8_t read(offs_t offset) override;
+ virtual void write(offs_t offset, uint8_t data) override;
protected:
// device-level overrides
@@ -186,11 +186,50 @@ protected:
virtual void end_of_process() override;
};
+class eisa_dma_device : public am9517a_device
+{
+public:
+ eisa_dma_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ template <unsigned Channel> u8 get_address_page() { return m_channel[Channel].m_address >> 16; }
+ template <unsigned Channel> void set_address_page(u8 data)
+ {
+ m_channel[Channel].m_base_address = (m_channel[Channel].m_base_address & 0x0000ffffU) | (u32(data) << 16);
+ m_channel[Channel].m_address = (m_channel[Channel].m_address & 0x0000ffffU) | (u32(data) << 16);
+ }
+
+ template <unsigned Channel> u8 get_address_page_high() { return m_channel[Channel].m_address >> 24; }
+ template <unsigned Channel> void set_address_page_high(u8 data)
+ {
+ m_channel[Channel].m_base_address = (m_channel[Channel].m_base_address & 0x00ffffffU) | (u32(data) << 24);
+ m_channel[Channel].m_address = (m_channel[Channel].m_address & 0x00ffffffU) | (u32(data) << 24);
+ }
+
+ template <unsigned Channel> u8 get_count_high() { return m_channel[Channel].m_count >> 16; }
+ template <unsigned Channel> void set_count_high(u8 data)
+ {
+ m_channel[Channel].m_base_count = (m_channel[Channel].m_base_count & 0x0000ffffU) | (u32(data) << 16);
+ m_channel[Channel].m_count = (m_channel[Channel].m_count & 0x0000ffffU) | (u32(data) << 16);
+ }
+ template <unsigned Channel> u32 get_stop() { return m_stop[Channel]; }
+ template <unsigned Channel> void set_stop(offs_t offset, u32 data, u32 mem_mask)
+ {
+ mem_mask &= 0x00fffffcU;
+ COMBINE_DATA(&m_stop[Channel]);
+ }
+
+protected:
+ virtual void device_start() override;
+
+private:
+ u32 m_stop[4];
+};
// device type definition
DECLARE_DEVICE_TYPE(AM9517A, am9517a_device)
DECLARE_DEVICE_TYPE(V5X_DMAU, v5x_dmau_device)
DECLARE_DEVICE_TYPE(PCXPORT_DMAC, pcxport_dmac_device)
+DECLARE_DEVICE_TYPE(EISA_DMA, eisa_dma_device)
#endif // MAME_MACHINE_AM9517_H