e132xs: templated hi/lo shift bit, simplified set opcode, removed some needless use of set_global_register to get some speed back.

This commit is contained in:
mooglyguy 2017-11-17 18:07:50 +01:00
parent 41da94ea31
commit ec788f6c7a
3 changed files with 107 additions and 289 deletions

View File

@ -697,6 +697,8 @@ void hyperstone_device::set_global_register(uint8_t code, uint32_t val)
#define S_BIT ((OP & 0x100) >> 8)
#define D_BIT ((OP & 0x200) >> 9)
#define N_VALUE (((OP & 0x100) >> 4) | (OP & 0x0f))
#define HI_N_VALUE (0x10 | (OP & 0x0f))
#define LO_N_VALUE (OP & 0x0f)
#define N_OP_MASK (m_op & 0x10f)
#define DST_CODE ((OP & 0xf0) >> 4)
#define SRC_CODE (OP & 0x0f)
@ -1759,16 +1761,16 @@ void hyperstone_device::execute_run()
case 0x7d: hyperstone_xori<GLOBAL, LIMM>(); break;
case 0x7e: hyperstone_xori<LOCAL, SIMM>(); break;
case 0x7f: hyperstone_xori<LOCAL, LIMM>(); break;
case 0x80: hyperstone_shrdi(); break;
case 0x81: hyperstone_shrdi(); break;
case 0x80: hyperstone_shrdi<N_LO>(); break;
case 0x81: hyperstone_shrdi<N_HI>(); break;
case 0x82: hyperstone_shrd(); break;
case 0x83: hyperstone_shr(); break;
case 0x84: hyperstone_sardi(); break;
case 0x85: hyperstone_sardi(); break;
case 0x84: hyperstone_sardi<N_LO>(); break;
case 0x85: hyperstone_sardi<N_HI>(); break;
case 0x86: hyperstone_sard(); break;
case 0x87: hyperstone_sar(); break;
case 0x88: hyperstone_shldi(); break;
case 0x89: hyperstone_shldi(); break;
case 0x88: hyperstone_shldi<N_LO>(); break;
case 0x89: hyperstone_shldi<N_HI>(); break;
case 0x8a: hyperstone_shld(); break;
case 0x8b: hyperstone_shl(); break;
case 0x8c: hyperstone_reserved(); break;
@ -1791,18 +1793,18 @@ void hyperstone_device::execute_run()
case 0x9d: hyperstone_stxx2<GLOBAL, LOCAL>(); break;
case 0x9e: hyperstone_stxx2<LOCAL, GLOBAL>(); break;
case 0x9f: hyperstone_stxx2<LOCAL, LOCAL>(); break;
case 0xa0: hyperstone_shri<GLOBAL>(); break;
case 0xa1: hyperstone_shri<GLOBAL>(); break;
case 0xa2: hyperstone_shri<LOCAL>(); break;
case 0xa3: hyperstone_shri<LOCAL>(); break;
case 0xa4: hyperstone_sari<GLOBAL>(); break;
case 0xa5: hyperstone_sari<GLOBAL>(); break;
case 0xa6: hyperstone_sari<LOCAL>(); break;
case 0xa7: hyperstone_sari<LOCAL>(); break;
case 0xa8: hyperstone_shli<GLOBAL>(); break;
case 0xa9: hyperstone_shli<GLOBAL>(); break;
case 0xaa: hyperstone_shli<LOCAL>(); break;
case 0xab: hyperstone_shli<LOCAL>(); break;
case 0xa0: hyperstone_shri<N_LO, GLOBAL>(); break;
case 0xa1: hyperstone_shri<N_HI, GLOBAL>(); break;
case 0xa2: hyperstone_shri<N_LO, LOCAL>(); break;
case 0xa3: hyperstone_shri<N_HI, LOCAL>(); break;
case 0xa4: hyperstone_sari<N_LO, GLOBAL>(); break;
case 0xa5: hyperstone_sari<N_HI, GLOBAL>(); break;
case 0xa6: hyperstone_sari<N_LO, LOCAL>(); break;
case 0xa7: hyperstone_sari<N_HI, LOCAL>(); break;
case 0xa8: hyperstone_shli<N_LO, GLOBAL>(); break;
case 0xa9: hyperstone_shli<N_HI, GLOBAL>(); break;
case 0xaa: hyperstone_shli<N_LO, LOCAL>(); break;
case 0xab: hyperstone_shli<N_HI, LOCAL>(); break;
case 0xac: hyperstone_reserved(); break;
case 0xad: hyperstone_reserved(); break;
case 0xae: hyperstone_reserved(); break;
@ -1815,10 +1817,10 @@ void hyperstone_device::execute_run()
case 0xb5: hyperstone_muls<GLOBAL, LOCAL>(); break;
case 0xb6: hyperstone_muls<LOCAL, GLOBAL>(); break;
case 0xb7: hyperstone_muls<LOCAL, LOCAL>(); break;
case 0xb8: hyperstone_set<GLOBAL>(); break;
case 0xb9: hyperstone_set<GLOBAL>(); break;
case 0xba: hyperstone_set<LOCAL>(); break;
case 0xbb: hyperstone_set<LOCAL>(); break;
case 0xb8: hyperstone_set<N_LO, GLOBAL>(); break;
case 0xb9: hyperstone_set<N_HI, GLOBAL>(); break;
case 0xba: hyperstone_set<N_LO, LOCAL>(); break;
case 0xbb: hyperstone_set<N_HI, LOCAL>(); break;
case 0xbc: hyperstone_mul<GLOBAL, GLOBAL>(); break;
case 0xbd: hyperstone_mul<GLOBAL, LOCAL>(); break;
case 0xbe: hyperstone_mul<LOCAL, GLOBAL>(); break;

View File

@ -108,6 +108,12 @@ protected:
LIMM = 1
};
enum shift_type
{
N_LO = 0,
N_HI = 1,
};
// construction/destruction
hyperstone_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock,
const device_type type, uint32_t prg_data_width, uint32_t io_data_width, address_map_constructor internal_map);
@ -240,18 +246,18 @@ private:
template <reg_bank DST_GLOBAL, imm_size IMM_LONG> void hyperstone_andni();
template <reg_bank DST_GLOBAL, imm_size IMM_LONG> void hyperstone_ori();
template <reg_bank DST_GLOBAL, imm_size IMM_LONG> void hyperstone_xori();
void hyperstone_shrdi();
template <shift_type HI_N> void hyperstone_shrdi();
void hyperstone_shrd();
void hyperstone_shr();
template <reg_bank DST_GLOBAL> void hyperstone_shri();
void hyperstone_sardi();
template <shift_type HI_N, reg_bank DST_GLOBAL> void hyperstone_shri();
template <shift_type HI_N> void hyperstone_sardi();
void hyperstone_sard();
void hyperstone_sar();
template <reg_bank DST_GLOBAL> void hyperstone_sari();
void hyperstone_shldi();
template <shift_type HI_N, reg_bank DST_GLOBAL> void hyperstone_sari();
template <shift_type HI_N> void hyperstone_shldi();
void hyperstone_shld();
void hyperstone_shl();
template <reg_bank DST_GLOBAL> void hyperstone_shli();
template <shift_type HI_N, reg_bank DST_GLOBAL> void hyperstone_shli();
void hyperstone_testlz();
void hyperstone_rol();
template <reg_bank DST_GLOBAL, reg_bank SRC_GLOBAL> void hyperstone_ldxx1();
@ -263,7 +269,7 @@ private:
template <reg_bank DST_GLOBAL, reg_bank SRC_GLOBAL> void hyperstone_muls();
template <reg_bank DST_GLOBAL, reg_bank SRC_GLOBAL> void hyperstone_mul();
template <reg_bank DST_GLOBAL> void hyperstone_set();
template <shift_type HI_N, reg_bank DST_GLOBAL> void hyperstone_set();
template <reg_bank SRC_GLOBAL> void hyperstone_ldwr();
template <reg_bank SRC_GLOBAL> void hyperstone_lddr();

View File

@ -144,8 +144,7 @@ void hyperstone_device::hyperstone_divu()
//Z -> undefined
//N -> undefined
SR |= V_MASK;
uint32_t addr = get_trap_addr(TRAPNO_RANGE_ERROR);
execute_exception(addr);
execute_exception(get_trap_addr(TRAPNO_RANGE_ERROR));
}
else
{
@ -155,16 +154,8 @@ void hyperstone_device::hyperstone_divu()
/* TODO: add quotient overflow */
uint32_t quotient = dividend / sreg;
if (DST_GLOBAL)
{
set_global_register(dst_code, dividend % sreg);
set_global_register(dst_code + 1, quotient);
}
else
{
m_local_regs[dst_code] = dividend % sreg;
m_local_regs[dstf_code] = quotient;
}
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = dividend % sreg;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dstf_code] = quotient;
SR &= ~(V_MASK | Z_MASK | N_MASK);
if (quotient == 0)
@ -209,16 +200,8 @@ void hyperstone_device::hyperstone_divs()
{
/* TODO: add quotient overflow */
const int32_t quotient = dividend / sreg;
if (DST_GLOBAL)
{
set_global_register(dst_code, dividend % sreg);
set_global_register(dst_code + 1, quotient);
}
else
{
m_local_regs[dst_code] = dividend % sreg;
m_local_regs[dstf_code] = quotient;
}
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = dividend % sreg;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dstf_code] = quotient;
SR &= ~(V_MASK | Z_MASK | N_MASK);
if (quotient == 0)
@ -276,10 +259,7 @@ void hyperstone_device::hyperstone_xm()
sreg <<= (sub_type - 4);
}
if (DST_GLOBAL)
set_global_register(dst_code, sreg);
else
m_local_regs[dst_code] = sreg;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = sreg;
m_icount -= m_clock_cycles_1;
}
@ -1207,7 +1187,7 @@ void hyperstone_device::hyperstone_xori()
}
template <hyperstone_device::shift_type HI_N>
void hyperstone_device::hyperstone_shrdi()
{
check_delay_PC();
@ -1223,8 +1203,8 @@ void hyperstone_device::hyperstone_shrdi()
SR &= ~(C_MASK | Z_MASK | N_MASK);
const uint32_t n = N_VALUE;
if (n)
const uint32_t n = HI_N ? HI_N_VALUE : LO_N_VALUE;
if (HI_N || n)
{
SR |= (val >> (n - 1)) & 1;
@ -1243,6 +1223,7 @@ void hyperstone_device::hyperstone_shrdi()
m_icount -= m_clock_cycles_2;
}
void hyperstone_device::hyperstone_shrd()
{
check_delay_PC();
@ -1305,6 +1286,7 @@ void hyperstone_device::hyperstone_shr()
m_icount -= m_clock_cycles_1;
}
template <hyperstone_device::shift_type HI_N>
void hyperstone_device::hyperstone_sardi()
{
check_delay_PC();
@ -1316,8 +1298,8 @@ void hyperstone_device::hyperstone_sardi()
SR &= ~(C_MASK | Z_MASK | N_MASK);
const uint32_t n = N_VALUE;
if (n)
const uint32_t n = HI_N ? HI_N_VALUE : LO_N_VALUE;
if (HI_N || n)
{
SR |= (val >> (n - 1)) & 1;
@ -1415,6 +1397,7 @@ void hyperstone_device::hyperstone_sar()
m_icount -= m_clock_cycles_1;
}
template <hyperstone_device::shift_type HI_N>
void hyperstone_device::hyperstone_shldi()
{
check_delay_PC();
@ -1430,9 +1413,8 @@ void hyperstone_device::hyperstone_shldi()
SR &= ~(C_MASK | V_MASK | Z_MASK | N_MASK);
const uint32_t n = N_VALUE;
if (n && ((val << (n - 1)) & 0x8000000000000000U))
const uint32_t n = HI_N ? HI_N_VALUE : LO_N_VALUE;
if ((HI_N || n) && ((val << (n - 1)) & 0x8000000000000000U))
SR |= C_MASK;
const uint64_t mask = ((1U << (32 - n)) - 1) ^ 0xffffffff;
@ -2110,26 +2092,17 @@ void hyperstone_device::hyperstone_stxx2()
case 0: // STBS.N
// TODO: missing trap on range error
WRITE_B(dreg, (uint8_t)sreg);
if (DST_GLOBAL)
set_global_register(dst_code, dreg + extra_s);
else
m_local_regs[dst_code] += extra_s;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] += extra_s;
break;
case 1: // STBU.N
WRITE_B(dreg, (uint8_t)sreg);
if (DST_GLOBAL)
set_global_register(dst_code, dreg + extra_s);
else
m_local_regs[dst_code] += extra_s;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] += extra_s;
break;
case 2: // STHS.N, STHU.N
WRITE_HW(dreg, (uint16_t)sreg);
if (DST_GLOBAL)
set_global_register(dst_code, dreg + (extra_s & ~1));
else
m_local_regs[dst_code] += extra_s & ~1;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] += extra_s & ~1;
// TODO: missing trap on range error with STHS.N
break;
@ -2138,20 +2111,14 @@ void hyperstone_device::hyperstone_stxx2()
{
case 0: // STW.N
WRITE_W(dreg, sreg);
if (DST_GLOBAL)
set_global_register(dst_code, dreg + extra_s);
else
m_local_regs[dst_code] += extra_s;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] += extra_s;
break;
case 1: // STD.N
{
const uint32_t srcf_code = SRC_GLOBAL ? (src_code + 1) : ((src_code + 1) & 0x3f);
const uint32_t sregf = (SRC_GLOBAL && src_code == SR_REGISTER) ? 0 : (SRC_GLOBAL ? m_global_regs : m_local_regs)[srcf_code];
WRITE_W(dreg, sreg);
if (DST_GLOBAL)
set_global_register(dst_code, dreg + (extra_s & ~1));
else
m_local_regs[dst_code] += extra_s & ~1;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] += extra_s & ~1;
if(DST_GLOBAL == SRC_GLOBAL && (src_code + 1) == dst_code)
WRITE_W(dreg + 4, sregf + (extra_s & ~1)); // because DREG == SREGF and DREG has been incremented
@ -2170,10 +2137,7 @@ void hyperstone_device::hyperstone_stxx2()
else
m_local_regs[(dreg & 0xfc) >> 2] = sreg;
if (DST_GLOBAL)
set_global_register(dst_code, dreg + (extra_s & ~3));
else
m_local_regs[dst_code] += (extra_s & ~3);
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] += (extra_s & ~3);
m_icount -= m_clock_cycles_2; // extra cycles
break;
@ -2184,7 +2148,7 @@ void hyperstone_device::hyperstone_stxx2()
m_icount -= m_clock_cycles_1;
}
template <hyperstone_device::reg_bank DST_GLOBAL>
template <hyperstone_device::shift_type HI_N, hyperstone_device::reg_bank DST_GLOBAL>
void hyperstone_device::hyperstone_shri()
{
check_delay_PC();
@ -2194,8 +2158,8 @@ void hyperstone_device::hyperstone_shri()
SR &= ~(C_MASK | Z_MASK | N_MASK);
const uint32_t n = N_VALUE;
if (n)
const uint32_t n = HI_N ? HI_N_VALUE : LO_N_VALUE;
if (HI_N || n)
SR |= (val >> (n - 1)) & 1;
val >>= n;
@ -2212,7 +2176,7 @@ void hyperstone_device::hyperstone_shri()
m_icount -= m_clock_cycles_1;
}
template <hyperstone_device::reg_bank DST_GLOBAL>
template <hyperstone_device::shift_type HI_N, hyperstone_device::reg_bank DST_GLOBAL>
void hyperstone_device::hyperstone_sari()
{
check_delay_PC();
@ -2220,10 +2184,10 @@ void hyperstone_device::hyperstone_sari()
const uint32_t dst_code = DST_GLOBAL ? DST_CODE : ((DST_CODE + GET_FP) & 0x3f);
uint32_t val = (DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code];
const uint32_t n = N_VALUE;
const uint32_t n = HI_N ? HI_N_VALUE : LO_N_VALUE;
SR &= ~(C_MASK | Z_MASK | N_MASK);
if (n)
if (HI_N || n)
{
SR |= (val >> (n - 1)) & 1;
@ -2246,7 +2210,7 @@ void hyperstone_device::hyperstone_sari()
m_icount -= m_clock_cycles_1;
}
template <hyperstone_device::reg_bank DST_GLOBAL>
template <hyperstone_device::shift_type HI_N, hyperstone_device::reg_bank DST_GLOBAL>
void hyperstone_device::hyperstone_shli()
{
check_delay_PC();
@ -2254,9 +2218,9 @@ void hyperstone_device::hyperstone_shli()
const uint32_t dst_code = DST_GLOBAL ? DST_CODE : ((DST_CODE + GET_FP) & 0x3f);
uint32_t val = (DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code];
const uint32_t n = N_VALUE;
const uint32_t n = HI_N ? HI_N_VALUE : LO_N_VALUE;
SR &= ~(C_MASK | V_MASK | Z_MASK | N_MASK);
SR |= n ? (((val << (n - 1)) & 0x80000000) ? 1 : 0) : 0;
SR |= (HI_N || n) ? (((val << (n - 1)) & 0x80000000) ? 1 : 0) : 0;
uint64_t mask = ((1U << (32 - n)) - 1) ^ 0xffffffff;
uint32_t val2 = val << n;
@ -2347,13 +2311,13 @@ void hyperstone_device::hyperstone_muls()
m_icount -= m_clock_cycles_6;
}
template <hyperstone_device::reg_bank DST_GLOBAL>
template <hyperstone_device::shift_type HI_N, hyperstone_device::reg_bank DST_GLOBAL>
void hyperstone_device::hyperstone_set()
{
check_delay_PC();
const uint32_t dst_code = DST_GLOBAL ? DST_CODE : ((DST_CODE + GET_FP) & 0x3f);
const uint32_t n = N_VALUE;
const uint32_t n = LO_N_VALUE;
if (DST_GLOBAL && dst_code < 2)
{
@ -2361,201 +2325,47 @@ void hyperstone_device::hyperstone_set()
return;
}
switch (n)
if (HI_N)
{
// SETADR
case 0:
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = (SP & 0xfffffe00) | (GET_FP << 2) | (((SP & 0x100) && (SIGN_BIT(SR) == 0)) ? 1 : 0);
break;
if (n >= 4 || n == 2)
{
static const uint32_t set_result[16] = { 0, 0, 0, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0 };
static const uint32_t unset_result[16] = { 0, 0, 0xffffffff, 0, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff, 0, 0xffffffff };
static const uint32_t mask[16] = { 0, 0, 0, 0, (N_MASK | Z_MASK), (N_MASK | Z_MASK), N_MASK, N_MASK,
(C_MASK | Z_MASK), (C_MASK | Z_MASK), C_MASK, C_MASK, Z_MASK, Z_MASK, V_MASK, V_MASK };
// Reserved
case 1:
case 16:
case 17:
case 19:
if (SR & mask[n])
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = set_result[n];
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = unset_result[n];
}
else
{
LOG("Used reserved N value (%d) in hyperstone_set. PC = %08X\n", n, PC);
break;
// SETxx
case 2:
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 3:
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 4:
if (SR & (N_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
}
}
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
{
if (n == 0)
{
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = (SP & 0xfffffe00) | (GET_FP << 2) | (((SP & 0x100) && (SIGN_BIT(SR) == 0)) ? 1 : 0);
}
else if (n >= 2)
{
static const uint32_t set_result[16] = { 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 };
static const uint32_t unset_result[16] = { 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 };
static const uint32_t mask[16] = { 0, 0, 0, 0, (N_MASK | Z_MASK), (N_MASK | Z_MASK), N_MASK, N_MASK,
(C_MASK | Z_MASK), (C_MASK | Z_MASK), C_MASK, C_MASK, Z_MASK, Z_MASK, V_MASK, V_MASK };
case 5:
if (SR & (N_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
if (SR & mask[n])
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = set_result[n];
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 6:
if (SR & N_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = unset_result[n];
}
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 7:
if (SR & N_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 8:
if (SR & (C_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 9:
if (SR & (C_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 10:
if (SR & C_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 11:
if (SR & C_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 12:
if (SR & Z_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 13:
if (SR & Z_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 14:
if (SR & V_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 15:
if (SR & V_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 1;
break;
case 18:
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
case 20:
if (SR & (N_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 21:
if (SR & (N_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
case 22:
if (SR & N_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 23:
if (SR & N_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
case 24:
if (SR & (C_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 25:
if (SR & (C_MASK | Z_MASK))
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
case 26:
if (SR & C_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 27:
if (SR & C_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
case 28:
if (SR & Z_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 29:
if (SR & Z_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
case 30:
if (SR & V_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
break;
case 31:
if (SR & V_MASK)
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = 0;
else
(DST_GLOBAL ? m_global_regs : m_local_regs)[dst_code] = ~0;
break;
{
LOG("Used reserved N value (%d) in hyperstone_set. PC = %08X\n", n, PC);
}
}
m_icount -= m_clock_cycles_1;