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calchase.cpp: Don't try to use portr for half the bus width.

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This commit is contained in:
Vas Crabb 2021-09-06 10:06:05 +10:00
parent 422b28c378
commit fc90db3edb
1 changed files with 14 additions and 5 deletions
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19
src/mame/drivers/calchase.cpp
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@ -154,6 +154,7 @@ class calchase_state : public pcat_base_state
public:
calchase_state(const machine_config &mconfig, device_type type, const char *tag)
: pcat_base_state(mconfig, type, tag)
, m_iocard(*this, "IOCARD%u", 1U)
{
}
@ -167,6 +168,7 @@ protected:
virtual void machine_reset() override;
private:
required_ioport_array<5> m_iocard;
std::unique_ptr<uint32_t[]> m_bios_ram;
std::unique_ptr<uint32_t[]> m_bios_ext_ram;
std::unique_ptr<uint8_t[]> m_nvram_data;
@ -178,6 +180,7 @@ private:
void bios_ram_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
uint8_t nvram_r(offs_t offset);
void nvram_w(offs_t offset, uint8_t data);
template <unsigned N> uint16_t iocard_r();
uint32_t calchase_idle_skip_r();
void calchase_idle_skip_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
@ -377,6 +380,12 @@ void calchase_state::nvram_w(offs_t offset, uint8_t data)
m_nvram_data[offset] = data;
}
template <unsigned N>
uint16_t calchase_state::iocard_r()
{
return m_iocard[N]->read();
}
void calchase_state::calchase_map(address_map &map)
{
@ -385,11 +394,11 @@ void calchase_state::calchase_map(address_map &map)
map(0x000c0000, 0x000c7fff).rom().region("video_bios", 0);
map(0x000c8000, 0x000cffff).noprw();
//map(0x000d0000, 0x000d0003).ram(); // XYLINX - Sincronus serial communication
map(0x000d0004, 0x000d0005).portr("IOCARD1");
map(0x000d000c, 0x000d000d).portr("IOCARD2");
map(0x000d0032, 0x000d0033).portr("IOCARD3");
map(0x000d0030, 0x000d0031).portr("IOCARD4"); // These two controls wheel pot or whatever this game uses ...
map(0x000d0034, 0x000d0035).portr("IOCARD5");
map(0x000d0004, 0x000d0005).r(FUNC(calchase_state::iocard_r<0>));
map(0x000d000c, 0x000d000d).r(FUNC(calchase_state::iocard_r<1>));
map(0x000d0032, 0x000d0033).r(FUNC(calchase_state::iocard_r<2>));
map(0x000d0030, 0x000d0031).r(FUNC(calchase_state::iocard_r<3>)); // These two controls wheel pot or whatever this game uses ...
map(0x000d0034, 0x000d0035).r(FUNC(calchase_state::iocard_r<4>));
map(0x000d0008, 0x000d000b).nopw(); // ???
map(0x000d0024, 0x000d0025).w("ldac", FUNC(dac_word_interface::data_w));
map(0x000d0028, 0x000d0029).w("rdac", FUNC(dac_word_interface::data_w));