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bus/archimedes/podule/ether1.cpp: Corrected 16bit RAM access.

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This commit is contained in:
Nigel Barnes 2024-02-14 21:48:46 +00:00
parent f31065ec0c
commit 4fc2ca2c94
1 changed files with 4 additions and 6 deletions
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10
src/devices/bus/archimedes/podule/ether1.cpp
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@ -15,16 +15,14 @@
namespace {
class arc_ether1_aka25_device :
public device_t,
public device_archimedes_podule_interface
class arc_ether1_aka25_device : public device_t, public device_archimedes_podule_interface
{
public:
// construction/destruction
arc_ether1_aka25_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
// device-level overrides
// device_t overrides
virtual void device_start() override;
virtual void device_reset() override;
@ -52,10 +50,10 @@ private:
void arc_ether1_aka25_device::ioc_map(address_map &map)
{
map(0x0000, 0x003f).lr8(NAME([this](offs_t offset) { return m_podule_rom->base()[offset | ((m_rom_page << 4) & 0x1f)]; })).umask32(0x000000ff);
map(0x0000, 0x003f).mirror(0x1fc0).lr8(NAME([this](offs_t offset) { return m_podule_rom->base()[offset | ((m_rom_page << 4) & 0x1f)]; })).umask32(0x000000ff);
map(0x0000, 0x0000).lw8(NAME([this](u8 data) { m_ram_page = data & 0x0f; }));
map(0x0004, 0x0004).w(FUNC(arc_ether1_aka25_device::control_w));
map(0x2000, 0x3fff).lrw8(NAME([this](offs_t offset) { return m_ram[offset | (m_ram_page << 11)]; }), NAME([this](offs_t offset, u16 data) { m_ram[offset | (m_ram_page << 11)] = data; })).umask32(0x0000ffff);
map(0x2000, 0x3fff).lrw16(NAME([this](offs_t offset) { return m_ram[offset | (m_ram_page << 11)]; }), NAME([this](offs_t offset, u16 data) { m_ram[offset | (m_ram_page << 11)] = data; })).umask32(0x0000ffff);
}