diff options
Diffstat (limited to 'src/devices/cpu/rsp/rsp.cpp')
-rw-r--r-- | src/devices/cpu/rsp/rsp.cpp | 282 |
1 files changed, 153 insertions, 129 deletions
diff --git a/src/devices/cpu/rsp/rsp.cpp b/src/devices/cpu/rsp/rsp.cpp index f39d79b21bb..b58b7169e80 100644 --- a/src/devices/cpu/rsp/rsp.cpp +++ b/src/devices/cpu/rsp/rsp.cpp @@ -62,11 +62,6 @@ DEFINE_DEVICE_TYPE(RSP, rsp_device, "rsp", "Nintendo & SGI Reality Signal Proces #define ZERO 3 #define CLIP2 4 -#define SLICE_H 3 -#define SLICE_M 2 -#define SLICE_L 1 -#define SLICE_LL 0 - #define WRITEBACK_RESULT() memcpy(m_v[VDREG].s, vres, sizeof(uint16_t) * 8); static const int vector_elements_2[16][8] = @@ -265,7 +260,7 @@ void rsp_device::device_start() for (int regIdx = 0; regIdx < 32; regIdx++) m_r[regIdx] = 0; - for(auto & elem : m_v) + for (auto & elem : m_v) { elem.d[0] = 0; elem.d[1] = 0; @@ -284,7 +279,7 @@ void rsp_device::device_start() m_vector_busy = false; m_paired_busy = false; - for(auto & elem : m_accum) + for (auto & elem : m_accum) { elem.q = 0; } @@ -294,6 +289,35 @@ void rsp_device::device_start() m_sr = RSP_STATUS_HALT; m_step_count = 0; + // register for savestates + save_item(NAME(m_pc)); + save_item(NAME(m_r)); + save_item(NAME(m_ideduct)); + save_item(NAME(m_scalar_busy)); + save_item(NAME(m_vector_busy)); + save_item(NAME(m_paired_busy)); + + save_item(NAME(m_sr)); + save_item(NAME(m_step_count)); + save_item(NAME(m_ppc)); + save_item(NAME(m_nextpc)); + + save_item(NAME(m_vres)); + save_item(NAME(m_accum)); + save_item(NAME(m_vcarry)); + save_item(NAME(m_vcompare)); + save_item(NAME(m_vclip1)); + save_item(NAME(m_vzero)); + save_item(NAME(m_vclip2)); + + for (int i = 0; i < std::size(m_v); i++) + save_item(NAME(m_v[i].d), i); + + save_item(NAME(m_reciprocal_res)); + save_item(NAME(m_reciprocal_high)); + save_item(NAME(m_dp_allowed)); + + // register state for debugger state_add( RSP_PC, "PC", m_pc).callimport().callexport().formatstr("%08X"); state_add( RSP_R0, "R0", m_r[0]).formatstr("%08X"); state_add( RSP_R1, "R1", m_r[1]).formatstr("%08X"); @@ -528,15 +552,15 @@ void rsp_device::device_reset() uint16_t rsp_device::SATURATE_ACCUM(int accum, int slice, uint16_t negative, uint16_t positive) { - if ((int16_t)m_accum[accum].w[SLICE_H] < 0) + if ((int16_t)m_accum[accum].w.h3 < 0) { - if ((uint16_t)m_accum[accum].w[SLICE_H] != 0xffff) + if ((uint16_t)m_accum[accum].w.h3 != 0xffff) { return negative; } else { - if ((int16_t)m_accum[accum].w[SLICE_M] >= 0) + if ((int16_t)m_accum[accum].w.h2 >= 0) { return negative; } @@ -544,24 +568,24 @@ uint16_t rsp_device::SATURATE_ACCUM(int accum, int slice, uint16_t negative, uin { if (slice == 0) { - return m_accum[accum].w[SLICE_L]; + return m_accum[accum].w.h; } else if (slice == 1) { - return m_accum[accum].w[SLICE_M]; + return m_accum[accum].w.h2; } } } } else { - if ((uint16_t)m_accum[accum].w[SLICE_H] != 0) + if ((uint16_t)m_accum[accum].w.h3 != 0) { return positive; } else { - if ((int16_t)m_accum[accum].w[SLICE_M] < 0) + if ((int16_t)m_accum[accum].w.h2 < 0) { return positive; } @@ -569,11 +593,11 @@ uint16_t rsp_device::SATURATE_ACCUM(int accum, int slice, uint16_t negative, uin { if (slice == 0) { - return m_accum[accum].w[SLICE_L]; + return m_accum[accum].w.h; } else { - return m_accum[accum].w[SLICE_M]; + return m_accum[accum].w.h2; } } } @@ -610,19 +634,19 @@ void rsp_device::handle_vector_ops(uint32_t op) if (s1 == -32768 && s2 == -32768) { // overflow - m_accum[i].w[SLICE_H] = 0; - m_accum[i].w[SLICE_M] = -32768; - m_accum[i].w[SLICE_L] = -32768; + m_accum[i].w.h3 = 0; + m_accum[i].w.h2 = -32768; + m_accum[i].w.h = -32768; vres[i] = 0x7fff; } else { int64_t r = s1 * s2 * 2; r += 0x8000; // rounding ? - m_accum[i].w[SLICE_H] = (r < 0) ? 0xffff : 0; // Sign-extend to 48-bit - m_accum[i].w[SLICE_M] = (int16_t)(r >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)r; - vres[i] = m_accum[i].w[SLICE_M]; + m_accum[i].w.h3 = (r < 0) ? 0xffff : 0; // Sign-extend to 48-bit + m_accum[i].w.h2 = (int16_t)(r >> 16); + m_accum[i].w.h = (uint16_t)r; + vres[i] = m_accum[i].w.h2; } } WRITEBACK_RESULT(); @@ -645,21 +669,21 @@ void rsp_device::handle_vector_ops(uint32_t op) int64_t r = s1 * s2 * 2; r += 0x8000; // rounding ? - m_accum[i].w[SLICE_H] = (uint16_t)(r >> 32); - m_accum[i].w[SLICE_M] = (uint16_t)(r >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)r; + m_accum[i].w.h3 = (uint16_t)(r >> 32); + m_accum[i].w.h2 = (uint16_t)(r >> 16); + m_accum[i].w.h = (uint16_t)r; if (r < 0) { vres[i] = 0; } - else if (((int16_t)m_accum[i].w[SLICE_H] ^ (int16_t)m_accum[i].w[SLICE_M]) < 0) + else if (((int16_t)m_accum[i].w.h3 ^ (int16_t)m_accum[i].w.h2) < 0) { vres[i] = -1; } else { - vres[i] = m_accum[i].w[SLICE_M]; + vres[i] = m_accum[i].w.h2; } } WRITEBACK_RESULT(); @@ -683,11 +707,11 @@ void rsp_device::handle_vector_ops(uint32_t op) uint32_t s2 = m_v[VS2REG].w[VEC_EL_2(EL, i)]; uint32_t r = s1 * s2; - m_accum[i].w[SLICE_H] = 0; - m_accum[i].w[SLICE_M] = 0; - m_accum[i].w[SLICE_L] = (uint16_t)(r >> 16); + m_accum[i].w.h3 = 0; + m_accum[i].w.h2 = 0; + m_accum[i].w.h = (uint16_t)(r >> 16); - vres[i] = m_accum[i].w[SLICE_L]; + vres[i] = m_accum[i].w.h; } WRITEBACK_RESULT(); break; @@ -710,11 +734,11 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s2 = m_v[VS2REG].w[VEC_EL_2(EL, i)]; // not sign-extended int32_t r = s1 * s2; - m_accum[i].w[SLICE_H] = (r < 0) ? 0xffff : 0; // sign-extend to 48-bit - m_accum[i].w[SLICE_M] = (int16_t)(r >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)r; + m_accum[i].w.h3 = (r < 0) ? 0xffff : 0; // sign-extend to 48-bit + m_accum[i].w.h2 = (int16_t)(r >> 16); + m_accum[i].w.h = (uint16_t)r; - vres[i] = m_accum[i].w[SLICE_M]; + vres[i] = m_accum[i].w.h2; } WRITEBACK_RESULT(); break; @@ -737,11 +761,11 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; int32_t r = s1 * s2; - m_accum[i].w[SLICE_H] = (r < 0) ? 0xffff : 0; // sign-extend to 48-bit - m_accum[i].w[SLICE_M] = (int16_t)(r >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)(r); + m_accum[i].w.h3 = (r < 0) ? 0xffff : 0; // sign-extend to 48-bit + m_accum[i].w.h2 = (int16_t)(r >> 16); + m_accum[i].w.h = (uint16_t)(r); - vres[i] = m_accum[i].w[SLICE_L]; + vres[i] = m_accum[i].w.h; } WRITEBACK_RESULT(); break; @@ -764,9 +788,9 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; int32_t r = s1 * s2; - m_accum[i].w[SLICE_H] = (int16_t)(r >> 16); - m_accum[i].w[SLICE_M] = (uint16_t)(r); - m_accum[i].w[SLICE_L] = 0; + m_accum[i].w.h3 = (int16_t)(r >> 16); + m_accum[i].w.h2 = (uint16_t)(r); + m_accum[i].w.h = 0; if (r < -32768) r = -32768; if (r > 32767) r = 32767; @@ -792,17 +816,17 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; int32_t r = s1 * s2; - uint64_t q = (uint64_t)(uint16_t)m_accum[i].w[SLICE_LL]; - q |= (((uint64_t)(uint16_t)m_accum[i].w[SLICE_L]) << 16); - q |= (((uint64_t)(uint16_t)m_accum[i].w[SLICE_M]) << 32); - q |= (((uint64_t)(uint16_t)m_accum[i].w[SLICE_H]) << 48); + uint64_t q = (uint64_t)(uint16_t)m_accum[i].w.l; + q |= (((uint64_t)(uint16_t)m_accum[i].w.h) << 16); + q |= (((uint64_t)(uint16_t)m_accum[i].w.h2) << 32); + q |= (((uint64_t)(uint16_t)m_accum[i].w.h3) << 48); q += (int64_t)(r) << 17; - m_accum[i].w[SLICE_LL] = (uint16_t)q; - m_accum[i].w[SLICE_L] = (uint16_t)(q >> 16); - m_accum[i].w[SLICE_M] = (uint16_t)(q >> 32); - m_accum[i].w[SLICE_H] = (uint16_t)(q >> 48); + m_accum[i].w.l = (uint16_t)q; + m_accum[i].w.h = (uint16_t)(q >> 16); + m_accum[i].w.h2 = (uint16_t)(q >> 32); + m_accum[i].w.h3 = (uint16_t)(q >> 48); vres[i] = SATURATE_ACCUM(i, 1, 0x8000, 0x7fff); } @@ -823,32 +847,32 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s1 = m_v[VS1REG].s[i]; int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; int32_t r1 = s1 * s2; - uint32_t r2 = m_accum[i].w[SLICE_L] + ((uint16_t)r1 * 2); - uint32_t r3 = m_accum[i].w[SLICE_M] + (uint16_t)((r1 >> 16) * 2) + (uint16_t)(r2 >> 16); + uint32_t r2 = m_accum[i].w.h + ((uint16_t)r1 * 2); + uint32_t r3 = m_accum[i].w.h2 + (uint16_t)((r1 >> 16) * 2) + (uint16_t)(r2 >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)r2; - m_accum[i].w[SLICE_M] = (uint16_t)r3; - m_accum[i].w[SLICE_H] += (uint16_t)(r3 >> 16) + (uint16_t)(r1 >> 31); + m_accum[i].w.h = (uint16_t)r2; + m_accum[i].w.h2 = (uint16_t)r3; + m_accum[i].w.h3 += (uint16_t)(r3 >> 16) + (uint16_t)(r1 >> 31); - if ((int16_t)m_accum[i].w[SLICE_H] < 0) + if ((int16_t)m_accum[i].w.h3 < 0) { vres[i] = 0; } else { - if (m_accum[i].w[SLICE_H] != 0) + if (m_accum[i].w.h3 != 0) { vres[i] = 0xffff; } else { - if ((int16_t)m_accum[i].w[SLICE_M] < 0) + if ((int16_t)m_accum[i].w.h2 < 0) { vres[i] = 0xffff; } else { - vres[i] = m_accum[i].w[SLICE_M]; + vres[i] = m_accum[i].w.h2; } } } @@ -873,12 +897,12 @@ void rsp_device::handle_vector_ops(uint32_t op) uint32_t s1 = m_v[VS1REG].w[i]; uint32_t s2 = m_v[VS2REG].w[VEC_EL_2(EL, i)]; uint32_t r1 = s1 * s2; - uint32_t r2 = m_accum[i].w[SLICE_L] + (r1 >> 16); - uint32_t r3 = m_accum[i].w[SLICE_M] + (r2 >> 16); + uint32_t r2 = m_accum[i].w.h + (r1 >> 16); + uint32_t r3 = m_accum[i].w.h2 + (r2 >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)r2; - m_accum[i].w[SLICE_M] = (uint16_t)r3; - m_accum[i].w[SLICE_H] += (int16_t)(r3 >> 16); + m_accum[i].w.h = (uint16_t)r2; + m_accum[i].w.h2 = (uint16_t)r3; + m_accum[i].w.h3 += (int16_t)(r3 >> 16); vres[i] = SATURATE_ACCUM(i, 0, 0x0000, 0xffff); } @@ -902,14 +926,14 @@ void rsp_device::handle_vector_ops(uint32_t op) uint32_t s1 = m_v[VS1REG].s[i]; uint32_t s2 = m_v[VS2REG].w[VEC_EL_2(EL, i)]; // not sign-extended uint32_t r1 = s1 * s2; - uint32_t r2 = (uint16_t)m_accum[i].w[SLICE_L] + (uint16_t)(r1); - uint32_t r3 = (uint16_t)m_accum[i].w[SLICE_M] + (r1 >> 16) + (r2 >> 16); + uint32_t r2 = (uint16_t)m_accum[i].w.h + (uint16_t)(r1); + uint32_t r3 = (uint16_t)m_accum[i].w.h2 + (r1 >> 16) + (r2 >> 16); - m_accum[i].w[SLICE_L] = (uint16_t)r2; - m_accum[i].w[SLICE_M] = (uint16_t)r3; - m_accum[i].w[SLICE_H] += (uint16_t)(r3 >> 16); + m_accum[i].w.h = (uint16_t)r2; + m_accum[i].w.h2 = (uint16_t)r3; + m_accum[i].w.h3 += (uint16_t)(r3 >> 16); if ((int32_t)r1 < 0) - m_accum[i].w[SLICE_H] -= 1; + m_accum[i].w.h3 -= 1; vres[i] = SATURATE_ACCUM(i, 1, 0x8000, 0x7fff); } @@ -933,16 +957,16 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s1 = m_v[VS1REG].w[i]; // not sign-extended int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; - uint64_t q = (uint64_t)m_accum[i].w[SLICE_LL]; - q |= (((uint64_t)m_accum[i].w[SLICE_L]) << 16); - q |= (((uint64_t)m_accum[i].w[SLICE_M]) << 32); - q |= (((uint64_t)m_accum[i].w[SLICE_H]) << 48); + uint64_t q = (uint64_t)m_accum[i].w.l; + q |= (((uint64_t)m_accum[i].w.h) << 16); + q |= (((uint64_t)m_accum[i].w.h2) << 32); + q |= (((uint64_t)m_accum[i].w.h3) << 48); q += (int64_t)(s1*s2) << 16; - m_accum[i].w[SLICE_LL] = (uint16_t)q; - m_accum[i].w[SLICE_L] = (uint16_t)(q >> 16); - m_accum[i].w[SLICE_M] = (uint16_t)(q >> 32); - m_accum[i].w[SLICE_H] = (uint16_t)(q >> 48); + m_accum[i].w.l = (uint16_t)q; + m_accum[i].w.h = (uint16_t)(q >> 16); + m_accum[i].w.h2 = (uint16_t)(q >> 32); + m_accum[i].w.h3 = (uint16_t)(q >> 48); vres[i] = SATURATE_ACCUM(i, 0, 0x0000, 0xffff); } @@ -967,12 +991,12 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s1 = m_v[VS1REG].s[i]; int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; - int32_t accum = (uint32_t)(uint16_t)m_accum[i].w[SLICE_M]; - accum |= ((uint32_t)((uint16_t)m_accum[i].w[SLICE_H])) << 16; + int32_t accum = (uint32_t)(uint16_t)m_accum[i].w.h2; + accum |= ((uint32_t)((uint16_t)m_accum[i].w.h3)) << 16; accum += s1 * s2; - m_accum[i].w[SLICE_H] = (uint16_t)(accum >> 16); - m_accum[i].w[SLICE_M] = (uint16_t)accum; + m_accum[i].w.h3 = (uint16_t)(accum >> 16); + m_accum[i].w.h2 = (uint16_t)accum; vres[i] = SATURATE_ACCUM(i, 1, 0x8000, 0x7fff); } @@ -997,7 +1021,7 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; int32_t r = s1 + s2 + BIT(m_vcarry, i); - m_accum[i].w[SLICE_L] = (int16_t)r; + m_accum[i].w.h = (int16_t)r; if (r > 32767) r = 32767; if (r < -32768) r = -32768; @@ -1026,7 +1050,7 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t s2 = m_v[VS2REG].s[VEC_EL_2(EL, i)]; int32_t r = s1 - s2 - BIT(m_vcarry, i); - m_accum[i].w[SLICE_L] = (int16_t)r; + m_accum[i].w.h = (int16_t)r; if (r > 32767) r = 32767; if (r < -32768) r = -32768; @@ -1074,7 +1098,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = 0; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1101,7 +1125,7 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t r = s1 + s2; vres[i] = (int16_t)r; - m_accum[i].w[SLICE_L] = (int16_t)r; + m_accum[i].w.h = (int16_t)r; if (r & 0xffff0000) { @@ -1133,7 +1157,7 @@ void rsp_device::handle_vector_ops(uint32_t op) int32_t r = s1 - s2; vres[i] = (int16_t)(r); - m_accum[i].w[SLICE_L] = (uint16_t)r; + m_accum[i].w.h = (uint16_t)r; if ((uint16_t)r != 0) { @@ -1163,7 +1187,7 @@ void rsp_device::handle_vector_ops(uint32_t op) { for (int i = 0; i < 8; i++) { - m_v[VDREG].w[i] = m_accum[i].w[SLICE_H]; + m_v[VDREG].w[i] = m_accum[i].w.h3; } break; } @@ -1171,7 +1195,7 @@ void rsp_device::handle_vector_ops(uint32_t op) { for (int i = 0; i < 8; i++) { - m_v[VDREG].w[i] = m_accum[i].w[SLICE_M]; + m_v[VDREG].w[i] = m_accum[i].w.h2; } break; } @@ -1179,7 +1203,7 @@ void rsp_device::handle_vector_ops(uint32_t op) { for (int i = 0; i < 8; i++) { - m_v[VDREG].w[i] = m_accum[i].w[SLICE_L]; + m_v[VDREG].w[i] = m_accum[i].w.h; } break; } @@ -1228,7 +1252,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = s2; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } m_vzero = 0; @@ -1264,7 +1288,7 @@ void rsp_device::handle_vector_ops(uint32_t op) { vres[i] = s2; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } m_vzero = 0; @@ -1301,7 +1325,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = s2; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } m_vzero = 0; @@ -1338,7 +1362,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = s2; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } m_vzero = 0; @@ -1367,11 +1391,11 @@ void rsp_device::handle_vector_ops(uint32_t op) { if (BIT(m_vcompare, i)) // vcc_lo { - m_accum[i].w[SLICE_L] = -(uint16_t)s2; + m_accum[i].w.h = -(uint16_t)s2; } else { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; } } else @@ -1380,12 +1404,12 @@ void rsp_device::handle_vector_ops(uint32_t op) { if (((uint32_t)(uint16_t)(s1) + (uint32_t)(uint16_t)(s2)) > 0x10000) { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; m_vcompare &= ~(1 << i); } else { - m_accum[i].w[SLICE_L] = -(uint16_t)s2; + m_accum[i].w.h = -(uint16_t)s2; m_vcompare |= 1 << i; } } @@ -1393,12 +1417,12 @@ void rsp_device::handle_vector_ops(uint32_t op) { if (((uint32_t)(uint16_t)(s1) + (uint32_t)(uint16_t)(s2)) != 0) { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; m_vcompare &= ~(1 << i); } else { - m_accum[i].w[SLICE_L] = -(uint16_t)s2; + m_accum[i].w.h = -(uint16_t)s2; m_vcompare |= 1 << i; } } @@ -1410,29 +1434,29 @@ void rsp_device::handle_vector_ops(uint32_t op) { if (BIT(m_vclip2, i)) // vcc_hi { - m_accum[i].w[SLICE_L] = s2; + m_accum[i].w.h = s2; } else { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; } } else { if (((int32_t)(uint16_t)s1 - (int32_t)(uint16_t)s2) >= 0) { - m_accum[i].w[SLICE_L] = s2; + m_accum[i].w.h = s2; m_vclip2 |= 1 << i; } else { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; m_vclip2 &= ~(1 << i); } } } - vres[i] = m_accum[i].w[SLICE_L]; + vres[i] = m_accum[i].w.h; } m_vzero = 0; @@ -1521,7 +1545,7 @@ void rsp_device::handle_vector_ops(uint32_t op) m_vclip1 |= 1 << i; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1555,12 +1579,12 @@ void rsp_device::handle_vector_ops(uint32_t op) } if ((s1 + s2) <= 0) { - m_accum[i].w[SLICE_L] = ~(uint16_t)s2; + m_accum[i].w.h = ~(uint16_t)s2; m_vcompare |= 1 << i; } else { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; } } else @@ -1571,16 +1595,16 @@ void rsp_device::handle_vector_ops(uint32_t op) } if ((s1 - s2) >= 0) { - m_accum[i].w[SLICE_L] = s2; + m_accum[i].w.h = s2; m_vclip2 |= 1 << i; } else { - m_accum[i].w[SLICE_L] = s1; + m_accum[i].w.h = s1; } } - vres[i] = m_accum[i].w[SLICE_L]; + vres[i] = m_accum[i].w.h; } WRITEBACK_RESULT(); break; @@ -1606,7 +1630,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = m_v[VS2REG].s[VEC_EL_2(EL, i)]; } - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1624,7 +1648,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = m_v[VS1REG].w[i] & m_v[VS2REG].w[VEC_EL_2(EL, i)]; - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1642,7 +1666,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = ~(m_v[VS1REG].w[i] & m_v[VS2REG].w[VEC_EL_2(EL, i)]); - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1660,7 +1684,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = m_v[VS1REG].w[i] | m_v[VS2REG].w[VEC_EL_2(EL, i)]; - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1678,7 +1702,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = ~(m_v[VS1REG].w[i] | m_v[VS2REG].w[VEC_EL_2(EL, i)]); - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1696,7 +1720,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = m_v[VS1REG].w[i] ^ m_v[VS2REG].w[VEC_EL_2(EL, i)]; - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1714,7 +1738,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = ~(m_v[VS1REG].w[i] ^ m_v[VS2REG].w[VEC_EL_2(EL, i)]); - m_accum[i].w[SLICE_L] = vres[i]; + m_accum[i].w.h = vres[i]; } WRITEBACK_RESULT(); break; @@ -1737,7 +1761,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = 0; uint16_t e1 = m_v[VS1REG].w[i]; uint16_t e2 = m_v[VS2REG].w[VEC_EL_2(EL, i)]; - m_accum[i].w[SLICE_L] = e1 + e2; + m_accum[i].w.h = e1 + e2; } WRITEBACK_RESULT(); break; @@ -1796,7 +1820,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[VEC_EL_2(EL, i)]; + m_accum[i].w.h = m_v[VS2REG].w[VEC_EL_2(EL, i)]; } break; } @@ -1871,7 +1895,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[VEC_EL_2(EL, i)]; + m_accum[i].w.h = m_v[VS2REG].w[VEC_EL_2(EL, i)]; } break; } @@ -1890,7 +1914,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[VEC_EL_2(EL, i)]; + m_accum[i].w.h = m_v[VS2REG].w[VEC_EL_2(EL, i)]; } m_v[VDREG].s[VS1REG & 7] = (int16_t)(m_reciprocal_res >> 16); @@ -1909,7 +1933,7 @@ void rsp_device::handle_vector_ops(uint32_t op) m_v[VDREG].w[VS1REG & 7] = m_v[VS2REG].w[VEC_EL_2(EL, VS1REG & 7)]; for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[i]; + m_accum[i].w.h = m_v[VS2REG].w[i]; } break; } @@ -1969,7 +1993,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[VEC_EL_2(EL, i)]; + m_accum[i].w.h = m_v[VS2REG].w[VEC_EL_2(EL, i)]; } break; @@ -2048,7 +2072,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[VEC_EL_2(EL, i)]; + m_accum[i].w.h = m_v[VS2REG].w[VEC_EL_2(EL, i)]; } break; @@ -2068,7 +2092,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { - m_accum[i].w[SLICE_L] = m_v[VS2REG].w[VEC_EL_2(EL, i)]; + m_accum[i].w.h = m_v[VS2REG].w[VEC_EL_2(EL, i)]; } m_v[VDREG].s[VS1REG & 7] = (int16_t)(m_reciprocal_res >> 16); // store high part @@ -2103,7 +2127,7 @@ void rsp_device::handle_vector_ops(uint32_t op) vres[i] = 0; uint16_t e1 = m_v[VS1REG].w[i]; uint16_t e2 = m_v[VS2REG].w[VEC_EL_2(EL, i)]; - m_accum[i].w[SLICE_L] = e1 + e2; + m_accum[i].w.h = e1 + e2; } WRITEBACK_RESULT(); break; @@ -2123,7 +2147,7 @@ void rsp_device::handle_vector_ops(uint32_t op) for (int i = 0; i < 8; i++) { vres[i] = m_v[VS1REG].w[i]; - m_accum[i].w[SLICE_L] = 0; + m_accum[i].w.h = 0; } WRITEBACK_RESULT(); break; |