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z8: Fix reads from Ports 0 & 1; add Z86E02 type

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This commit is contained in:
AJR 2020-09-06 14:31:09 -04:00
parent d16baea163
commit db9b40182c
2 changed files with 19 additions and 2 deletions
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11
src/devices/cpu/z8/z8.cpp
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@ -131,6 +131,7 @@ DEFINE_DEVICE_TYPE(Z8611, z8611_device, "z8611", "Zilog Z8611")
DEFINE_DEVICE_TYPE(Z8671, z8671_device, "z8671", "Zilog Z8671")
DEFINE_DEVICE_TYPE(Z8681, z8681_device, "z8681", "Zilog Z8681")
DEFINE_DEVICE_TYPE(Z8682, z8682_device, "z8682", "Zilog Z8682")
DEFINE_DEVICE_TYPE(Z86E02, z86e02_device, "z86e02", "Zilog Z86E02")
/***************************************************************************
@ -246,6 +247,12 @@ const tiny_rom_entry *z8682_device::device_rom_region() const
}
z86e02_device::z86e02_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: z8_device(mconfig, Z86E02, tag, owner, clock, 0x200, false)
{
}
std::unique_ptr<util::disasm_interface> z8_device::create_disassembler()
{
return std::make_unique<z8_disassembler>();
@ -332,7 +339,7 @@ uint16_t z8_device::fetch_word()
uint8_t z8_device::p0_read()
{
uint8_t data = 0xff;
uint8_t data = 0;
uint8_t mask = 0;
switch (m_p01m & Z8_P01M_P0L_MODE_MASK)
@ -386,7 +393,7 @@ void z8_device::p0_write(uint8_t data)
uint8_t z8_device::p1_read()
{
uint8_t data = 0xff;
uint8_t data = 0;
uint8_t mask = 0;
switch (m_p01m & Z8_P01M_P1_MODE_MASK)

10
src/devices/cpu/z8/z8.h
View File

@ -428,6 +428,13 @@ protected:
};
class z86e02_device : public z8_device
{
public:
z86e02_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
// Zilog Z8601
DECLARE_DEVICE_TYPE(Z8601, z8601_device)
@ -446,4 +453,7 @@ DECLARE_DEVICE_TYPE(Z8681, z8681_device)
// Zilog Z8682 ROMless (boot to 0812H)
DECLARE_DEVICE_TYPE(Z8682, z8682_device)
// Zilog Z86E02
DECLARE_DEVICE_TYPE(Z86E02, z86e02_device)
#endif // MAME_CPU_Z8_Z8_H