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rii: Add standard status flag display (nw)

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This commit is contained in:
AJR 2019-09-10 17:36:13 -04:00
parent ec4e6bdf0f
commit 286b34a24c
2 changed files with 24 additions and 2 deletions
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23
src/devices/cpu/rii/riscii.cpp
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@ -111,8 +111,8 @@ void riscii_series_device::device_start()
set_icountptr(m_icount);
state_add(RII_PC, "PC", m_pc).mask((1 << m_prgbits) - 1);
state_add(STATE_GENPC, "GENPC", m_pc).callimport().noshow();
state_add(STATE_GENPCBASE, "CURPC", m_ppc).callimport().noshow();
state_add(STATE_GENPC, "GENPC", m_pc).mask((1 << m_prgbits) - 1).noshow();
state_add(STATE_GENPCBASE, "CURPC", m_ppc).mask((1 << m_prgbits) - 1).noshow();
state_add(RII_REPEAT, "REPEAT", m_repeat);
state_add(RII_ACC, "ACC", m_acc);
state_add(RII_BSR, "BSR", m_bsr[0]).mask(m_bankmask);
@ -123,6 +123,7 @@ void riscii_series_device::device_start()
state_add(RII_STKPTR, "STKPTR", m_stkptr);
state_add(RII_CPUCON, "CPUCON", m_cpucon).mask(0x9f);
state_add(RII_STATUS, "STATUS", m_status);
state_add(STATE_GENFLAGS, "CURFLAGS", m_status).noshow().formatstr("%8s");
state_add(RII_PROD, "PROD", m_prod);
state_add(RII_POST_ID, "POST_ID", m_post_id);
@ -1122,3 +1123,21 @@ void riscii_series_device::execute_set_input(int inputnum, int state)
{
// TODO
}
void riscii_series_device::state_string_export(const device_state_entry &entry, std::string &str) const
{
switch (entry.index())
{
case STATE_GENFLAGS:
str = string_format("%c%c%c%c%c%c%c%c",
BIT(m_status, 7) ? 'T' : '.', // /TO
BIT(m_status, 6) ? 'P' : '.', // /PD
BIT(m_status, 5) ? 'G' : '.', // SGE
BIT(m_status, 4) ? 'L' : '.', // SLE
BIT(m_status, 3) ? 'V' : '.', // OV
BIT(m_status, 2) ? 'Z' : '.',
BIT(m_status, 1) ? 'D' : '.', // auxiliary carry
BIT(m_status, 0) ? 'C' : '.');
break;
}
}

3
src/devices/cpu/rii/riscii.h
View File

@ -53,6 +53,9 @@ protected:
// device_memory_interface overrides
virtual space_config_vector memory_space_config() const override;
// device_state_interface overrides
virtual void state_string_export(const device_state_entry &entry, std::string &str) const override;
private:
// register handlers
u8 fsr0_r();