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Add some internal peripheral block registers to 80186 debug state

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This commit is contained in:
AJR 2018-02-03 23:55:19 -05:00
parent 8132a3a53a
commit ad40dd2f53
2 changed files with 43 additions and 0 deletions
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29
src/devices/cpu/i86/i186.cpp
View File

@ -570,6 +570,33 @@ void i80186_cpu_device::device_start()
state_add( STATE_GENPCBASE, "CURPC", m_pc ).callimport().formatstr("%05X").noshow();
state_add( I8086_HALT, "HALT", m_halt ).mask(1);
// Most of these mnemonics are not official and only chosen as convenient shorthand.
state_add( I80186_RELOC, "RELOC", m_reloc ).formatstr("%04X");
state_add( I80186_UMCS, "UMCS", m_mem.upper ).formatstr("%04X");
state_add( I80186_LMCS, "LMCS", m_mem.lower ).formatstr("%04X");
state_add( I80186_PACS, "PACS", m_mem.peripheral ).formatstr("%04X");
state_add( I80186_MMCS, "MMCS", m_mem.middle ).formatstr("%04X");
state_add( I80186_MPCS, "MPCS", m_mem.middle_size ).formatstr("%04X");
state_add( I80186_DMA_SP + 0, "DMA0_SP", m_dma[0].source ).formatstr("%05X").mask(0xfffff);
state_add( I80186_DMA_DP + 0, "DMA0_DP", m_dma[0].dest ).formatstr("%05X").mask(0xfffff);
state_add( I80186_DMA_TC + 0, "DMA0_TC", m_dma[0].count ).formatstr("%04X");
state_add( I80186_DMA_CR + 0, "DMA0_CR", m_dma[0].control ).formatstr("%04X");
state_add( I80186_DMA_SP + 1, "DMA1_SP", m_dma[1].source ).formatstr("%05X").mask(0xfffff);
state_add( I80186_DMA_DP + 1, "DMA1_DP", m_dma[1].dest ).formatstr("%05X").mask(0xfffff);
state_add( I80186_DMA_TC + 1, "DMA1_TC", m_dma[1].count ).formatstr("%04X");
state_add( I80186_DMA_CR + 1, "DMA1_CR", m_dma[1].control ).formatstr("%04X");
state_add( I80186_T_COUNT + 0, "T0_COUNT", m_timer[0].count ).formatstr("%04X");
state_add( I80186_T_MAX_A + 0, "T0_MAX_A", m_timer[0].maxA ).formatstr("%04X");
state_add( I80186_T_MAX_B + 0, "T0_MAX_B", m_timer[0].maxB ).formatstr("%04X");
state_add( I80186_T_CONTROL + 0, "T0_CONTROL", m_timer[0].control ).formatstr("%04X");
state_add( I80186_T_COUNT + 1, "T1_COUNT", m_timer[1].count ).formatstr("%04X");
state_add( I80186_T_MAX_A + 1, "T1_MAX_A", m_timer[1].maxA ).formatstr("%04X");
state_add( I80186_T_MAX_B + 1, "T1_MAX_B", m_timer[1].maxB ).formatstr("%04X");
state_add( I80186_T_CONTROL + 1, "T1_CONTROL", m_timer[1].control ).formatstr("%04X");
state_add( I80186_T_COUNT + 2, "T2_COUNT", m_timer[2].count ).formatstr("%04X");
state_add( I80186_T_MAX_A + 2, "T2_MAX", m_timer[2].maxA ).formatstr("%04X");
state_add( I80186_T_CONTROL + 2, "T2_CONTROL", m_timer[2].control ).formatstr("%04X");
// register for savestates
save_item(NAME(m_timer[0].control));
save_item(NAME(m_timer[0].maxA));
@ -647,7 +674,9 @@ void i80186_cpu_device::device_reset()
m_intr.status = 0x0000;
m_intr.poll_status = 0x0000;
m_intr.ext_state = 0x00;
m_reloc = 0x20ff;
m_mem.upper = 0xfffb;
for (auto & elem : m_dma)
{

14
src/devices/cpu/i86/i186.h
View File

@ -35,6 +35,20 @@ public:
virtual space_config_vector memory_space_config() const override;
protected:
enum
{
I80186_RELOC = I8086_HALT + 1,
I80186_UMCS, I80186_LMCS, I80186_PACS, I80186_MMCS, I80186_MPCS,
I80186_DMA_SP,
I80186_DMA_DP = I80186_DMA_SP + 2,
I80186_DMA_TC = I80186_DMA_DP + 2,
I80186_DMA_CR = I80186_DMA_TC + 2,
I80186_T_COUNT = I80186_DMA_CR + 2,
I80186_T_MAX_A = I80186_T_COUNT + 3,
I80186_T_MAX_B = I80186_T_MAX_A + 3,
I80186_T_CONTROL = I80186_T_MAX_B + 2
};
i80186_cpu_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, int data_bus_size);
// device_execute_interface overrides