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scc68070: Add more accurate cycle counts, distinguished from MC68000 and MC68010

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This commit is contained in:
AJR 2019-10-30 17:00:00 -04:00
parent 7c6fdaf499
commit fe1612aa81
4 changed files with 2288 additions and 2289 deletions
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2
src/devices/cpu/m68000/m68000.h
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@ -165,7 +165,7 @@ public:
template <typename... T> void set_tas_write_callback(T &&... args) { m_tas_write_callback.set(std::forward<T>(args)...); }
u16 get_fc();
void set_hmmu_enable(int enable);
int get_pmmu_enable() {return m_pmmu_enabled;};
int get_pmmu_enable() const {return m_pmmu_enabled;};
void set_fpu_enable(int enable);
void set_buserror_details(u32 fault_addr, u8 rw, u8 fc);
void disable_interrupt_mixer() { m_interrupt_mixer = false; }

946
src/devices/cpu/m68000/m68k_in.lst
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93
src/devices/cpu/m68000/m68kcpu.cpp
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@ -1782,9 +1782,9 @@ void m68000_base_device::init_cpu_m68000(void)
m_cyc_dbcc_f_noexp = -2;
m_cyc_dbcc_f_exp = 2;
m_cyc_scc_r_true = 2;
m_cyc_movem_w = 2;
m_cyc_movem_l = 3;
m_cyc_shift = 1;
m_cyc_movem_w = 4;
m_cyc_movem_l = 8;
m_cyc_shift = 2;
m_cyc_reset = 132;
m_has_pmmu = 0;
m_has_hmmu = 0;
@ -1811,9 +1811,9 @@ void m68000_base_device::init_cpu_m68008(void)
m_cyc_dbcc_f_noexp = -2;
m_cyc_dbcc_f_exp = 2;
m_cyc_scc_r_true = 2;
m_cyc_movem_w = 2;
m_cyc_movem_l = 3;
m_cyc_shift = 1;
m_cyc_movem_w = 4;
m_cyc_movem_l = 8;
m_cyc_shift = 2;
m_cyc_reset = 132;
m_has_pmmu = 0;
m_has_fpu = 0;
@ -1838,9 +1838,9 @@ void m68000_base_device::init_cpu_m68010(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 6;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 3;
m_cyc_shift = 1;
m_cyc_movem_w = 4;
m_cyc_movem_l = 8;
m_cyc_shift = 2;
m_cyc_reset = 130;
m_has_pmmu = 0;
m_has_fpu = 0;
@ -1864,9 +1864,9 @@ void m68000_base_device::init_cpu_m68020(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
define_state();
@ -1920,9 +1920,9 @@ void m68000_base_device::init_cpu_m68ec020(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
m_has_pmmu = 0;
m_has_fpu = 0;
@ -1948,9 +1948,9 @@ void m68000_base_device::init_cpu_m68030(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
m_has_pmmu = 1;
m_has_fpu = 1;
@ -1977,9 +1977,9 @@ void m68000_base_device::init_cpu_m68ec030(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
m_has_pmmu = 0; /* EC030 lacks the PMMU and is effectively a die-shrink 68020 */
m_has_fpu = 1;
@ -2006,9 +2006,9 @@ void m68000_base_device::init_cpu_m68040(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
m_has_pmmu = 1;
m_has_fpu = 1;
@ -2034,9 +2034,9 @@ void m68000_base_device::init_cpu_m68ec040(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
m_has_pmmu = 0;
m_has_fpu = 0;
@ -2062,9 +2062,9 @@ void m68000_base_device::init_cpu_m68lc040(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
m_has_pmmu = 1;
m_has_fpu = 0;
@ -2078,21 +2078,20 @@ void m68000_base_device::init_cpu_scc68070(void)
init_cpu_common();
m_cpu_type = CPU_TYPE_SCC070;
// TODO: most of this is subtly different
init16(*m_program, *m_oprogram);
m_sr_mask = 0xa71f; /* T1 -- S -- -- I2 I1 I0 -- -- -- X N Z V C */
m_state_table = m68ki_instruction_state_table[1];
m_cyc_instruction = m68ki_cycles[1];
m_cyc_exception = m68ki_exception_cycle_table[1];
m_cyc_bcc_notake_b = -4;
m_cyc_bcc_notake_b = 0;
m_cyc_bcc_notake_w = 0;
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 6;
m_cyc_dbcc_f_noexp = 3;
m_cyc_dbcc_f_exp = 3;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 3;
m_cyc_shift = 1;
m_cyc_reset = 130;
m_cyc_movem_w = 7;
m_cyc_movem_l = 11;
m_cyc_shift = 3;
m_cyc_reset = 154;
m_has_pmmu = 0;
m_has_fpu = 0;
@ -2117,9 +2116,9 @@ void m68000_base_device::init_cpu_fscpu32(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
define_state();
@ -2144,9 +2143,9 @@ void m68000_base_device::init_cpu_coldfire(void)
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 4;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 2;
m_cyc_movem_l = 2;
m_cyc_shift = 0;
m_cyc_movem_w = 4;
m_cyc_movem_l = 4;
m_cyc_shift = 1;
m_cyc_reset = 518;
define_state();
@ -2398,9 +2397,9 @@ void m68000_base_device::clear_all()
m_cyc_dbcc_f_noexp = 0;
m_cyc_dbcc_f_exp = 0;
m_cyc_scc_r_true = 0;
m_cyc_movem_w = 0;
m_cyc_movem_l = 0;
m_cyc_shift = 0;
m_cyc_movem_w = 1;
m_cyc_movem_l = 1;
m_cyc_shift = 1;
m_cyc_reset = 0;
m_initial_cycles = 0;

3536
src/devices/cpu/m68000/m68kops.cpp
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