mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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optimized CPU cores instruction cycle counting (master clock multiplier is now applied during init)
fixed a recently introduced typo that make STOP instruction locks the machine (Thunderforce IV)
This commit is contained in:
ekeeke31
parent
e2eab7f408
commit
f734e2fade
@ -111,7 +111,7 @@ INLINE unsigned getDivu68kCycles( DWORD dividend, WORD divisor)
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}
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}
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return mcycles * 2;
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return mcycles * 14;
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}
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//
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@ -133,7 +133,7 @@ INLINE unsigned getDivs68kCycles( LONG dividend, SHORT divisor)
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// Check for absolute overflow
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if( ((DWORD) abs( dividend) >> 16) >= (WORD) abs( divisor))
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{
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return (mcycles + 2) * 2;
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return (mcycles + 2) * 14;
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}
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// Absolute quotient
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@ -159,7 +159,7 @@ INLINE unsigned getDivs68kCycles( LONG dividend, SHORT divisor)
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aquot <<= 1;
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}
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return mcycles * 2;
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return mcycles * 14;
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}
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//
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@ -171,14 +171,14 @@ INLINE unsigned getMulu68kCycles( WORD source)
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{
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int i;
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unsigned mcycles = 38;
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unsigned mcycles = 266;
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/* count number of bits set to 1 */
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for( i = 0; i < 15; i++)
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{
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if (source & 1)
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{
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mcycles += 2;
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mcycles += 14;
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}
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source >>= 1;
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}
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@ -196,7 +196,7 @@ INLINE unsigned getMuls68kCycles( SHORT source)
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{
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int i;
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unsigned mcycles = 38;
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unsigned mcycles = 266;
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/* detect 01 or 10 patterns */
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LONG temp = source << 1;
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@ -207,7 +207,7 @@ INLINE unsigned getMuls68kCycles( SHORT source)
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{
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if (source & 1)
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{
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mcycles += 2;
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mcycles += 14;
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}
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source >>= 1;
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}
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@ -124,7 +124,7 @@ const uint m68ki_shift_32_table[65] =
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/* Number of clock cycles to use for exception processing.
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* I used 4 for any vectors that are undocumented for processing times.
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*/
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const uint8 m68ki_exception_cycle_table[4][256] =
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uint16 m68ki_exception_cycle_table[4][256] =
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{
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{ /* 000 */
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40, /* 0: Reset - Initial Stack Pointer */
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@ -420,6 +420,7 @@ const uint8 m68ki_exception_cycle_table[4][256] =
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}
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};
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#if M68K_EMULATE_010 || M68K_EMULATE_020 || M68K_EMULATE_EC020 || M68K_EMULATE_040
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const uint8 m68ki_ea_idx_cycle_table[64] =
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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@ -439,7 +440,7 @@ const uint8 m68ki_ea_idx_cycle_table[64] =
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13, /* ..11..11 memory indirect, base 32, outer 32 */
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0, 11, 13, 13, 0, 11, 13, 13, 0, 11, 13, 13
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};
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#endif
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/* ======================================================================== */
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@ -683,15 +684,15 @@ void m68k_set_cpu_type(unsigned int cpu_type)
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CPU_SR_MASK = 0xa71f; /* T1 -- S -- -- I2 I1 I0 -- -- -- X N Z V C */
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CYC_INSTRUCTION = m68ki_cycles[0];
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CYC_EXCEPTION = m68ki_exception_cycle_table[0];
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CYC_BCC_NOTAKE_B = -2;
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CYC_BCC_NOTAKE_W = 2;
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CYC_DBCC_F_NOEXP = -2;
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CYC_DBCC_F_EXP = 2;
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CYC_SCC_R_TRUE = 2;
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CYC_MOVEM_W = 2;
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CYC_MOVEM_L = 3;
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CYC_SHIFT = 1;
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CYC_RESET = 132;
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CYC_BCC_NOTAKE_B = -2 * 7;
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CYC_BCC_NOTAKE_W = 2 * 7;
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CYC_DBCC_F_NOEXP = -2 * 7;
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CYC_DBCC_F_EXP = 2 * 7;
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CYC_SCC_R_TRUE = 2 * 7;
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CYC_MOVEM_W = 4 * 7;
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CYC_MOVEM_L = 8 * 7;
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CYC_SHIFT = 2 * 7;
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CYC_RESET = 132 * 7;
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return;
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case M68K_CPU_TYPE_68008:
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CPU_TYPE = CPU_TYPE_008;
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@ -839,13 +840,6 @@ void m68k_run (unsigned int cycles)
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while (mcycles_68k < cycles)
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{
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/* Make sure we're not stopped */
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if(CPU_STOPPED)
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{
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mcycles_68k = cycles;
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return;
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}
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/* check interrupt updates */
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if (irq_status & 0x10)
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{
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@ -857,7 +851,7 @@ void m68k_run (unsigned int cycles)
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m68k_execute();
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#ifdef LOGVDP
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error("[%d(%d)][%d(%d)] IRQ Level = %d (%x)\n", v_counter, mcycles_68k/3420, mcycles_68k, mcycles_68k%3420,int_level,m68k_get_reg (NULL, M68K_REG_PC));
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error("[%d(%d)][%d(%d)] IRQ Level = %d(0x%02x) (%x)\n", v_counter, mcycles_68k/3420, mcycles_68k, mcycles_68k%3420,int_level,FLAG_INT_MASK,m68k_get_reg (NULL, M68K_REG_PC));
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#endif
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/* update IRQ level */
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CPU_INT_LEVEL = int_level << 8;
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@ -865,7 +859,13 @@ void m68k_run (unsigned int cycles)
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if (mcycles_68k >= cycles)
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return;
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}
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/* Make sure we're not stopped */
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if(CPU_STOPPED)
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{
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mcycles_68k = cycles;
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return;
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}
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/* execute a single instruction */
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@ -384,8 +384,8 @@
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#define CPU_TYPE_IS_020_PLUS(A) ((A) & (CPU_TYPE_020 | CPU_TYPE_040))
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#define CPU_TYPE_IS_020_LESS(A) 1
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#else
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#define CPU_TYPE_IS_020_PLUS(A) 0
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#define CPU_TYPE_IS_020_LESS(A) 1
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#define CPU_TYPE_IS_020_PLUS(A) CPU_TYPE_IS_040_PLUS(A)
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#define CPU_TYPE_IS_020_LESS(A) CPU_TYPE_IS_040_LESS(A)
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#endif
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#if M68K_EMULATE_EC020
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@ -801,7 +801,7 @@
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#define USE_ALL_CYCLES() m68ki_remaining_cycles = 0
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*/
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#define USE_CYCLES(A) mcycles_68k += (7 * (A))
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#define USE_CYCLES(A) mcycles_68k += (A)
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/* ----------------------------- Read / Write ----------------------------- */
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@ -899,7 +899,7 @@ typedef struct
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uint cyc_shift;
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uint cyc_reset;
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const uint8* cyc_instruction;
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const uint8* cyc_exception;
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const uint16* cyc_exception;
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/* Callbacks to host */
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int (*int_ack_callback)(int int_line); /* Interrupt Acknowledge */
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@ -922,7 +922,7 @@ extern uint m68ki_tracing;
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extern const uint8 m68ki_shift_8_table[];
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extern const uint16 m68ki_shift_16_table[];
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extern const uint m68ki_shift_32_table[];
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extern const uint8 m68ki_exception_cycle_table[][256];
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extern uint16 m68ki_exception_cycle_table[][256];
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extern uint m68ki_address_space;
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extern const uint8 m68ki_ea_idx_cycle_table[];
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@ -1254,8 +1254,6 @@ INLINE uint m68ki_get_ea_ix(uint An)
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/* An = base register */
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uint extension = m68ki_read_imm_16();
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uint Xn = 0; /* Index register */
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uint bd = 0; /* Base Displacement */
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uint od = 0; /* Outer Displacement */
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if(CPU_TYPE_IS_010_LESS(CPU_TYPE))
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{
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@ -1268,6 +1266,11 @@ INLINE uint m68ki_get_ea_ix(uint An)
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return An + Xn + MAKE_INT_8(extension);
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}
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#if M68K_EMULATE_010 || M68K_EMULATE_020 || M68K_EMULATE_EC020 || M68K_EMULATE_040
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uint bd = 0; /* Base Displacement */
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uint od = 0; /* Outer Displacement */
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/* Brief extension format */
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if(!BIT_8(extension))
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{
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@ -1318,6 +1321,7 @@ INLINE uint m68ki_get_ea_ix(uint An)
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/* Preindex */
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return m68ki_read_32(An + bd + Xn) + od;
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#endif
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}
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File diff suppressed because it is too large
Load Diff
250
source/z80/z80.c
250
source/z80/z80.c
@ -216,136 +216,136 @@ static UINT8 SZHV_dec[256]; /* zero, sign, half carry and overflow flags DEC r8
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static UINT8 *SZHVC_add = 0;
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static UINT8 *SZHVC_sub = 0;
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static const UINT8 cc_op[0x100] = {
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4,10, 7, 6, 4, 4, 7, 4, 4,11, 7, 6, 4, 4, 7, 4,
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8,10, 7, 6, 4, 4, 7, 4,12,11, 7, 6, 4, 4, 7, 4,
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7,10,16, 6, 4, 4, 7, 4, 7,11,16, 6, 4, 4, 7, 4,
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7,10,13, 6,11,11,10, 4, 7,11,13, 6, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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7, 7, 7, 7, 7, 7, 4, 7, 4, 4, 4, 4, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4,
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5,10,10,10,10,11, 7,11, 5,10,10, 0,10,17, 7,11,
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5,10,10,11,10,11, 7,11, 5, 4,10,11,10, 0, 7,11,
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5,10,10,19,10,11, 7,11, 5, 4,10, 4,10, 0, 7,11,
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5,10,10, 4,10,11, 7,11, 5, 6,10, 4,10, 0, 7,11};
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static const UINT16 cc_op[0x100] = {
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4*15,10*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15, 4*15,11*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15,
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8*15,10*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15,12*15,11*15, 7*15, 6*15, 4*15, 4*15, 7*15, 4*15,
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7*15,10*15,16*15, 6*15, 4*15, 4*15, 7*15, 4*15, 7*15,11*15,16*15, 6*15, 4*15, 4*15, 7*15, 4*15,
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7*15,10*15,13*15, 6*15,11*15,11*15,10*15, 4*15, 7*15,11*15,13*15, 6*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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7*15, 7*15, 7*15, 7*15, 7*15, 7*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 7*15, 4*15,
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5*15,10*15,10*15,10*15,10*15,11*15, 7*15,11*15, 5*15,10*15,10*15, 0*15,10*15,17*15, 7*15,11*15,
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5*15,10*15,10*15,11*15,10*15,11*15, 7*15,11*15, 5*15, 4*15,10*15,11*15,10*15, 0*15, 7*15,11*15,
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5*15,10*15,10*15,19*15,10*15,11*15, 7*15,11*15, 5*15, 4*15,10*15, 4*15,10*15, 0*15, 7*15,11*15,
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5*15,10*15,10*15, 4*15,10*15,11*15, 7*15,11*15, 5*15, 6*15,10*15, 4*15,10*15, 0*15, 7*15,11*15};
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static const UINT8 cc_cb[0x100] = {
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8,
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8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8,
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8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8,
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8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8,
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8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8};
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static const UINT16 cc_cb[0x100] = {
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,12*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15,
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8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,15*15, 8*15};
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static const UINT8 cc_ed[0x100] = {
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
12,12,15,20, 8,14, 8, 9,12,12,15,20, 8,14, 8, 9,
|
||||
12,12,15,20, 8,14, 8, 9,12,12,15,20, 8,14, 8, 9,
|
||||
12,12,15,20, 8,14, 8,18,12,12,15,20, 8,14, 8,18,
|
||||
12,12,15,20, 8,14, 8, 8,12,12,15,20, 8,14, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
16,16,16,16, 8, 8, 8, 8,16,16,16,16, 8, 8, 8, 8,
|
||||
16,16,16,16, 8, 8, 8, 8,16,16,16,16, 8, 8, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8};
|
||||
static const UINT16 cc_ed[0x100] = {
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,
|
||||
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 9*15,
|
||||
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15,18*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15,18*15,
|
||||
12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 8*15,12*15,12*15,15*15,20*15, 8*15,14*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,
|
||||
16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,16*15,16*15,16*15,16*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15, 8*15};
|
||||
|
||||
/*static const UINT8 cc_xy[0x100] = {
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4,15, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4,15, 4, 4, 4, 4, 4, 4,
|
||||
4,14,20,10, 9, 9,11, 4, 4,15,20,10, 9, 9,11, 4,
|
||||
4, 4, 4, 4,23,23,19, 4, 4,15, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
9, 9, 9, 9, 9, 9,19, 9, 9, 9, 9, 9, 9, 9,19, 9,
|
||||
19,19,19,19,19,19, 4,19, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
4, 4, 4, 4, 9, 9,19, 4, 4, 4, 4, 4, 9, 9,19, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4,14, 4,23, 4,15, 4, 4, 4, 8, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4,10, 4, 4, 4, 4, 4, 4};
|
||||
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,15*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,15*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
|
||||
4*15,14*15,20*15,10*15, 9*15, 9*15,11*15, 4*15, 4*15,15*15,20*15,10*15, 9*15, 9*15,11*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15,23*15,23*15,19*15, 4*15, 4*15,15*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15,
|
||||
19*15,19*15,19*15,19*15,19*15,19*15, 4*15,19*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15, 4*15, 4*15, 4*15, 4*15, 9*15, 9*15,19*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 0*15, 4*15, 4*15, 4*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
|
||||
4*15,14*15, 4*15,23*15, 4*15,15*15, 4*15, 4*15, 4*15, 8*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,
|
||||
4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15,10*15, 4*15, 4*15, 4*15, 4*15, 4*15, 4*15};
|
||||
*/
|
||||
|
||||
/* illegal combo should return 4 + cc_op[i] */
|
||||
static const UINT8 cc_xy[0x100] ={
|
||||
8,14,11,10, 8, 8,11, 8, 8,15,11,10, 8, 8,11, 8,
|
||||
12,14,11,10, 8, 8,11, 8,16,15,11,10, 8, 8,11, 8,
|
||||
11,14,20,10, 9, 9,12, 8,11,15,20,10, 9, 9,12, 8,
|
||||
11,14,17,10,23,23,19, 8,11,15,17,10, 8, 8,11, 8,
|
||||
8, 8, 8, 8, 9, 9,19, 8, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
8, 8, 8, 8, 9, 9,19, 8, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
9, 9, 9, 9, 9, 9,19, 9, 9, 9, 9, 9, 9, 9,19, 9,
|
||||
19,19,19,19,19,19, 8,19, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
8, 8, 8, 8, 9, 9,19, 8, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
8, 8, 8, 8, 9, 9,19, 8, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
8, 8, 8, 8, 9, 9,19, 8, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
8, 8, 8, 8, 9, 9,19, 8, 8, 8, 8, 8, 9, 9,19, 8,
|
||||
9,14,14,14,14,15,11,15, 9,14,14, 0,14,21,11,15,
|
||||
9,14,14,15,14,15,11,15, 9, 8,14,15,14, 4,11,15,
|
||||
9,14,14,23,14,15,11,15, 9, 8,14, 8,14, 4,11,15,
|
||||
9,14,14, 8,14,15,11,15, 9,10,14, 8,14, 4,11,15};
|
||||
static const UINT16 cc_xy[0x100] ={
|
||||
8*15,14*15,11*15,10*15, 8*15, 8*15,11*15, 8*15, 8*15,15*15,11*15,10*15, 8*15, 8*15,11*15, 8*15,
|
||||
12*15,14*15,11*15,10*15, 8*15, 8*15,11*15, 8*15,16*15,15*15,11*15,10*15, 8*15, 8*15,11*15, 8*15,
|
||||
11*15,14*15,20*15,10*15, 9*15, 9*15,12*15, 8*15,11*15,15*15,20*15,10*15, 9*15, 9*15,12*15, 8*15,
|
||||
11*15,14*15,17*15,10*15,23*15,23*15,19*15, 8*15,11*15,15*15,17*15,10*15, 8*15, 8*15,11*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15, 9*15,19*15, 9*15,
|
||||
19*15,19*15,19*15,19*15,19*15,19*15, 8*15,19*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15, 8*15, 8*15, 8*15, 8*15, 9*15, 9*15,19*15, 8*15,
|
||||
9*15,14*15,14*15,14*15,14*15,15*15,11*15,15*15, 9*15,14*15,14*15, 0*15,14*15,21*15,11*15,15*15,
|
||||
9*15,14*15,14*15,15*15,14*15,15*15,11*15,15*15, 9*15, 8*15,14*15,15*15,14*15, 4*15,11*15,15*15,
|
||||
9*15,14*15,14*15,23*15,14*15,15*15,11*15,15*15, 9*15, 8*15,14*15, 8*15,14*15, 4*15,11*15,15*15,
|
||||
9*15,14*15,14*15, 8*15,14*15,15*15,11*15,15*15, 9*15,10*15,14*15, 8*15,14*15, 4*15,11*15,15*15};
|
||||
|
||||
static const UINT8 cc_xycb[0x100] = {
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,
|
||||
20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,
|
||||
20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,
|
||||
20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,
|
||||
23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23};
|
||||
static const UINT16 cc_xycb[0x100] = {
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
|
||||
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
|
||||
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
|
||||
20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,20*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,
|
||||
23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15,23*15};
|
||||
|
||||
/* extra cycles if jr/jp/call taken and 'interrupt latency' on rst 0-7 */
|
||||
static const UINT8 cc_ex[0x100] = {
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* DJNZ */
|
||||
5, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, /* JR NZ/JR Z */
|
||||
5, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, /* JR NC/JR C */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, /* INI/IND (cycle-accurate I/O port reads) */
|
||||
5, 5, 5, 5, 0, 0, 0, 0, 5, 5, 5, 5, 0, 0, 0, 0, /* LDIR/CPIR/INIR/OTIR LDDR/CPDR/INDR/OTDR */
|
||||
6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2,
|
||||
6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2,
|
||||
6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2,
|
||||
6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2};
|
||||
static const UINT16 cc_ex[0x100] = {
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* DJNZ */
|
||||
5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* JR NZ/JR Z */
|
||||
5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 5*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* JR NC/JR C */
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15,
|
||||
0*15, 0*15, 4*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 0*15, 4*15, 0*15, 0*15, 0*15, 0*15, 0*15, /* INI/IND (cycle-accurate I/O port reads) */
|
||||
5*15, 5*15, 5*15, 5*15, 0*15, 0*15, 0*15, 0*15, 5*15, 5*15, 5*15, 5*15, 0*15, 0*15, 0*15, 0*15, /* LDIR/CPIR/INIR/OTIR LDDR/CPDR/INDR/OTDR */
|
||||
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15,
|
||||
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15,
|
||||
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15,
|
||||
6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15, 6*15, 0*15, 0*15, 0*15, 7*15, 0*15, 0*15, 2*15};
|
||||
|
||||
static const UINT8 *cc[6];
|
||||
static const UINT16 *cc[6];
|
||||
#define Z80_TABLE_dd Z80_TABLE_xy
|
||||
#define Z80_TABLE_fd Z80_TABLE_xy
|
||||
|
||||
@ -479,7 +479,7 @@ INLINE void BURNODD(int cycles, int opcodes, int cyclesum)
|
||||
/***************************************************************
|
||||
* adjust cycle count by n T-states
|
||||
***************************************************************/
|
||||
#define CC(prefix,opcode) mcycles_z80 += cc[Z80_TABLE_##prefix][opcode] * 15
|
||||
#define CC(prefix,opcode) mcycles_z80 += cc[Z80_TABLE_##prefix][opcode]
|
||||
|
||||
/***************************************************************
|
||||
* execute an opcode
|
||||
@ -3225,7 +3225,7 @@ static void take_interrupt(void)
|
||||
RM16( irq_vector, &Z80.pc );
|
||||
LOG(("Z80 #%d IM2 [$%04x] = $%04x\n",cpu_getactivecpu() , irq_vector, PCD));
|
||||
/* CALL $xxxx + 'interrupt latency' cycles */
|
||||
mcycles_z80 += (cc[Z80_TABLE_op][0xcd] + cc[Z80_TABLE_ex][0xff]) * 15;
|
||||
mcycles_z80 += cc[Z80_TABLE_op][0xcd] + cc[Z80_TABLE_ex][0xff];
|
||||
}
|
||||
else
|
||||
/* Interrupt mode 1. RST 38h */
|
||||
@ -3235,7 +3235,7 @@ static void take_interrupt(void)
|
||||
PUSH( pc );
|
||||
PCD = 0x0038;
|
||||
/* RST $38 + 'interrupt latency' cycles */
|
||||
mcycles_z80 += (cc[Z80_TABLE_op][0xff] + cc[Z80_TABLE_ex][0xff]) * 15;
|
||||
mcycles_z80 += cc[Z80_TABLE_op][0xff] + cc[Z80_TABLE_ex][0xff];
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -3249,18 +3249,18 @@ static void take_interrupt(void)
|
||||
PUSH( pc );
|
||||
PCD = irq_vector & 0xffff;
|
||||
/* CALL $xxxx + 'interrupt latency' cycles */
|
||||
mcycles_z80 += (cc[Z80_TABLE_op][0xcd] + cc[Z80_TABLE_ex][0xff]) * 15;
|
||||
mcycles_z80 += cc[Z80_TABLE_op][0xcd] + cc[Z80_TABLE_ex][0xff];
|
||||
break;
|
||||
case 0xc30000: /* jump */
|
||||
PCD = irq_vector & 0xffff;
|
||||
/* JP $xxxx + 2 cycles */
|
||||
mcycles_z80 += (cc[Z80_TABLE_op][0xc3] + cc[Z80_TABLE_ex][0xff]) * 15;
|
||||
mcycles_z80 += cc[Z80_TABLE_op][0xc3] + cc[Z80_TABLE_ex][0xff];
|
||||
break;
|
||||
default: /* rst (or other opcodes?) */
|
||||
PUSH( pc );
|
||||
PCD = irq_vector & 0x0038;
|
||||
/* RST $xx + 2 cycles */
|
||||
mcycles_z80 += (cc[Z80_TABLE_op][0xff] + cc[Z80_TABLE_ex][0xff]) * 15;
|
||||
mcycles_z80 += cc[Z80_TABLE_op][0xff] + cc[Z80_TABLE_ex][0xff];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user