// license:BSD-3-Clause // copyright-holders:Olivier Galibert /* ** Model 1 coprocessor TGP simulation */ #include "emu.h" #include "debugger.h" #include "cpu/mb86233/mb86233.h" #include "cpu/v60/v60.h" #include "includes/model1.h" #define TGP_FUNCTION(name) void name() void model1_state::fifoout_push(u32 data) { m_copro_fifo_out->push(u32(data)); } void model1_state::fifoout_push_f(float data) { m_copro_fifo_out->push(f2u(data)); } u32 model1_state::fifoin_pop() { return m_copro_fifo_in->pop(); } float model1_state::fifoin_pop_f() { return u2f(m_copro_fifo_in->pop()); } float model1_state::tcos(s16 a) { if(a == 16384 || a == -16384) return 0; else if(a == -32768) return -1; else if(a == 0) return 1; else return cos(a*(2*M_PI/65536.0)); } float model1_state::tsin(s16 a) { if(a == 0 || a == -32768) return 0; else if(a == 16384) return 1; else if(a == -16384) return -1; else return sin(a*(2*M_PI/65536.0)); } u16 model1_state::ram_get_i() { return m_copro_ram_data[(m_copro_hle_ram_scan_adr++) & 0x7fff]; } float model1_state::ram_get_f() { return u2f(m_copro_ram_data[(m_copro_hle_ram_scan_adr++) & 0x7fff]); } TGP_FUNCTION( model1_state::fadd ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float r = a+b; logerror("TGP fadd %f+%f=%f (%x)\n", a, b, r, m_pushpc); fifoout_push_f(r); } TGP_FUNCTION( model1_state::fsub ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float r = a-b; logerror("TGP fsub %f-%f=%f (%x)\n", a, b, r, m_pushpc); fifoout_push_f(r); } TGP_FUNCTION( model1_state::fmul ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float r = a*b; logerror("TGP fmul %f*%f=%f (%x)\n", a, b, r, m_pushpc); fifoout_push_f(r); } TGP_FUNCTION( model1_state::fdiv ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); // float r = !b ? 1e39 : a/b; float r = !b ? 0 : a * (1/b); logerror("TGP fdiv %f/%f=%f (%x)\n", a, b, r, m_pushpc); fifoout_push_f(r); } TGP_FUNCTION( model1_state::matrix_push ) { if(m_mat_stack_pos != MAT_STACK_SIZE) { memcpy(m_mat_stack[m_mat_stack_pos], m_cmat, sizeof(m_cmat)); m_mat_stack_pos++; } logerror("TGP matrix_push (depth=%d, pc=%x)\n", m_mat_stack_pos, m_pushpc); } TGP_FUNCTION( model1_state::matrix_pop ) { if(m_mat_stack_pos) { m_mat_stack_pos--; memcpy(m_cmat, m_mat_stack[m_mat_stack_pos], sizeof(m_cmat)); } logerror("TGP matrix_pop (depth=%d, pc=%x)\n", m_mat_stack_pos, m_pushpc); } TGP_FUNCTION( model1_state::matrix_write ) { int i; for(i=0; i<12; i++) m_cmat[i] = fifoin_pop_f(); logerror("TGP matrix_write %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f) (%x)\n", m_cmat[0], m_cmat[1], m_cmat[2], m_cmat[3], m_cmat[4], m_cmat[5], m_cmat[6], m_cmat[7], m_cmat[8], m_cmat[9], m_cmat[10], m_cmat[11], m_pushpc); } TGP_FUNCTION( model1_state::clear_stack ) { logerror("TGP clear_stack (%x)\n", m_pushpc); m_mat_stack_pos = 0; } TGP_FUNCTION( model1_state::matrix_mul ) { float m[12]; float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); float g = fifoin_pop_f(); float h = fifoin_pop_f(); float i = fifoin_pop_f(); float j = fifoin_pop_f(); float k = fifoin_pop_f(); float l = fifoin_pop_f(); logerror("TGP matrix_mul %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f (%x)\n", a, b, c, d, e, f, g, h, i, j, k, l, m_pushpc); m[0] = a*m_cmat[0] + b*m_cmat[3] + c*m_cmat[6]; m[1] = a*m_cmat[1] + b*m_cmat[4] + c*m_cmat[7]; m[2] = a*m_cmat[2] + b*m_cmat[5] + c*m_cmat[8]; m[3] = d*m_cmat[0] + e*m_cmat[3] + f*m_cmat[6]; m[4] = d*m_cmat[1] + e*m_cmat[4] + f*m_cmat[7]; m[5] = d*m_cmat[2] + e*m_cmat[5] + f*m_cmat[8]; m[6] = g*m_cmat[0] + h*m_cmat[3] + i*m_cmat[6]; m[7] = g*m_cmat[1] + h*m_cmat[4] + i*m_cmat[7]; m[8] = g*m_cmat[2] + h*m_cmat[5] + i*m_cmat[8]; m[9] = j*m_cmat[0] + k*m_cmat[3] + l*m_cmat[6] + m_cmat[9]; m[10] = j*m_cmat[1] + k*m_cmat[4] + l*m_cmat[7] + m_cmat[10]; m[11] = j*m_cmat[2] + k*m_cmat[5] + l*m_cmat[8] + m_cmat[11]; memcpy(m_cmat, m, sizeof(m)); } TGP_FUNCTION( model1_state::anglev ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); logerror("TGP anglev %f, %f (%x)\n", a, b, m_pushpc); if(!b) { if(a>=0) fifoout_push(0); else fifoout_push((u32)-32768); } else if(!a) { if(b>=0) fifoout_push(16384); else fifoout_push((u32)-16384); } else fifoout_push((s16)(atan2(b, a)*32768/M_PI)); } TGP_FUNCTION( model1_state::triangle_normal ) { float p1x = fifoin_pop_f(); float p1y = fifoin_pop_f(); float p1z = fifoin_pop_f(); float p2x = fifoin_pop_f(); float p2y = fifoin_pop_f(); float p2z = fifoin_pop_f(); float p3x = fifoin_pop_f(); float p3y = fifoin_pop_f(); float p3z = fifoin_pop_f(); float nx = (p1y-p2y)*(p3z-p2z) - (p3y-p2y)*(p1z-p2z); float ny = (p1z-p2z)*(p3x-p2x) - (p3z-p2z)*(p1x-p2x); float nz = (p1x-p2x)*(p3y-p2y) - (p3x-p2x)*(p1y-p2y); float nn = sqrtf(nx*nx + ny*ny + nz*nz); if(nn < 1e-3) nn = 0; else nn = 1/nn; nx *= nn; ny *= nn; nz *= nn; logerror("TGP triangle_normal %f, %f, %f, %f, %f, %f, %f, %f, %f (%x)\n", p1x, p1y, p1z, p2x, p2y,p2z, p3x, p3y, p3z, m_pushpc); fifoout_push_f(nx); fifoout_push_f(ny); fifoout_push_f(nz); } TGP_FUNCTION( model1_state::normalize ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float n = (a*a+b*b+c*c) / sqrtf(a*a+b*b+c*c); logerror("TGP normalize %f, %f, %f (%x)\n", a, b, c, m_pushpc); fifoout_push_f(a/n); fifoout_push_f(b/n); fifoout_push_f(c/n); } TGP_FUNCTION( model1_state::acc_seti ) { int32_t a = fifoin_pop(); logerror("TGP acc_seti %d (%x)\n", a, m_pushpc); m_acc = a; } TGP_FUNCTION( model1_state::track_select ) { int32_t a = fifoin_pop(); logerror("TGP track_select %d (%x)\n", a, m_pushpc); m_tgp_vr_select = a; } TGP_FUNCTION( model1_state::load_base ) { m_tgp_vr_base[0] = fifoin_pop_f(); m_tgp_vr_base[1] = fifoin_pop_f(); m_tgp_vr_base[2] = fifoin_pop_f(); m_tgp_vr_base[3] = fifoin_pop_f(); logerror("TGP load_base %f, %f, %f, %f (%x)\n", m_tgp_vr_base[0], m_tgp_vr_base[1], m_tgp_vr_base[2], m_tgp_vr_base[3], m_pushpc); } TGP_FUNCTION( model1_state::transpose ) { logerror("TGP transpose (%x)\n", m_pushpc); float t; t = m_cmat[1]; m_cmat[1] = m_cmat[3]; m_cmat[3] = t; t = m_cmat[2]; m_cmat[2] = m_cmat[6]; m_cmat[6] = t; t = m_cmat[5]; m_cmat[5] = m_cmat[7]; m_cmat[7] = t; } TGP_FUNCTION( model1_state::anglep ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); logerror("TGP anglep %f, %f, %f, %f (%x)\n", a, b, c, d, m_pushpc); c = a - c; d = b - d; if(!d) { if(c>=0) fifoout_push(0); else fifoout_push((u32)-32768); } else if(!c) { if(d>=0) fifoout_push(16384); else fifoout_push((u32)-16384); } else fifoout_push((s16)(atan2(d, c)*32768/M_PI)); } TGP_FUNCTION( model1_state::matrix_ident ) { logerror("TGP matrix_ident (%x)\n", m_pushpc); memset(m_cmat, 0, sizeof(m_cmat)); m_cmat[0] = 1.0; m_cmat[4] = 1.0; m_cmat[8] = 1.0; } TGP_FUNCTION( model1_state::matrix_read ) { int i; logerror("TGP matrix_read (%f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f) (%x)\n", m_cmat[0], m_cmat[1], m_cmat[2], m_cmat[3], m_cmat[4], m_cmat[5], m_cmat[6], m_cmat[7], m_cmat[8], m_cmat[9], m_cmat[10], m_cmat[11], m_pushpc); for(i=0; i<12; i++) fifoout_push_f(m_cmat[i]); } TGP_FUNCTION( model1_state::matrix_trans ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); logerror("TCP matrix_trans %f %f %f (%x)\n", a, b, c, m_pushpc); m_cmat[ 9] += m_cmat[0]*a+m_cmat[3]*b+m_cmat[6]*c; m_cmat[10] += m_cmat[1]*a+m_cmat[4]*b+m_cmat[7]*c; m_cmat[11] += m_cmat[2]*a+m_cmat[5]*b+m_cmat[8]*c; } TGP_FUNCTION( model1_state::matrix_scale ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); logerror("TGP matrix_scale %f, %f, %f (%x)\n", a, b, c, m_pushpc); m_cmat[0] *= a; m_cmat[1] *= a; m_cmat[2] *= a; m_cmat[3] *= b; m_cmat[4] *= b; m_cmat[5] *= b; m_cmat[6] *= c; m_cmat[7] *= c; m_cmat[8] *= c; } TGP_FUNCTION( model1_state::matrix_rotx ) { s16 a = fifoin_pop(); float s = tsin(a); float c = tcos(a); float t1, t2; logerror("TGP matrix_rotx %d (%x)\n", a, m_pushpc); t1 = m_cmat[3]; t2 = m_cmat[6]; m_cmat[3] = c*t1-s*t2; m_cmat[6] = s*t1+c*t2; t1 = m_cmat[4]; t2 = m_cmat[7]; m_cmat[4] = c*t1-s*t2; m_cmat[7] = s*t1+c*t2; t1 = m_cmat[5]; t2 = m_cmat[8]; m_cmat[5] = c*t1-s*t2; m_cmat[8] = s*t1+c*t2; } TGP_FUNCTION( model1_state::matrix_roty ) { s16 a = fifoin_pop(); float s = tsin(a); float c = tcos(a); float t1, t2; logerror("TGP matrix_roty %d (%x)\n", a, m_pushpc); t1 = m_cmat[6]; t2 = m_cmat[0]; m_cmat[6] = c*t1-s*t2; m_cmat[0] = s*t1+c*t2; t1 = m_cmat[7]; t2 = m_cmat[1]; m_cmat[7] = c*t1-s*t2; m_cmat[1] = s*t1+c*t2; t1 = m_cmat[8]; t2 = m_cmat[2]; m_cmat[8] = c*t1-s*t2; m_cmat[2] = s*t1+c*t2; } TGP_FUNCTION( model1_state::matrix_rotz ) { s16 a = fifoin_pop(); float s = tsin(a); float c = tcos(a); float t1, t2; logerror("TGP matrix_rotz %d (%x)\n", a, m_pushpc); t1 = m_cmat[0]; t2 = m_cmat[3]; m_cmat[0] = c*t1-s*t2; m_cmat[3] = s*t1+c*t2; t1 = m_cmat[1]; t2 = m_cmat[4]; m_cmat[1] = c*t1-s*t2; m_cmat[4] = s*t1+c*t2; t1 = m_cmat[2]; t2 = m_cmat[5]; m_cmat[2] = c*t1-s*t2; m_cmat[5] = s*t1+c*t2; } TGP_FUNCTION( model1_state::track_read_quad ) { u32 a = fifoin_pop(); int offd; logerror("TGP track_read_quad %d (%x)\n", a, m_pushpc); offd = m_copro_data->as_u32(0x20+m_tgp_vr_select) + 16*a; fifoout_push(m_copro_data->as_u32(offd)); fifoout_push(m_copro_data->as_u32(offd+1)); fifoout_push(m_copro_data->as_u32(offd+2)); fifoout_push(m_copro_data->as_u32(offd+3)); fifoout_push(m_copro_data->as_u32(offd+4)); fifoout_push(m_copro_data->as_u32(offd+5)); fifoout_push(m_copro_data->as_u32(offd+6)); fifoout_push(m_copro_data->as_u32(offd+7)); fifoout_push(m_copro_data->as_u32(offd+8)); fifoout_push(m_copro_data->as_u32(offd+9)); fifoout_push(m_copro_data->as_u32(offd+10)); fifoout_push(m_copro_data->as_u32(offd+11)); } TGP_FUNCTION( model1_state::intercept ) { float x1 = fifoin_pop_f(); float y1 = fifoin_pop_f(); float z1 = fifoin_pop_f(); float x2 = fifoin_pop_f(); float y2 = fifoin_pop_f(); float z2 = fifoin_pop_f(); u32 idx = fifoin_pop(); logerror("TGP intercept %f, %f, %f, %f, %f, %f, %x (%x)\n", x1, y1, z1, x2, y2, z2, idx, m_pushpc); float dx = x2-x1; float dy = y2-y1; float dz = z2-z1; idx = m_copro_data->as_u32(0x10) + 2*idx; u32 count = m_copro_data->as_u32(idx); u32 adr = m_copro_data->as_u32(idx+1); u32 ret = 1; for(unsigned int j=0; jas_u32(adr++)); float plane[4]; for(int dim=0; dim<4; dim++) plane[dim] = u2f(m_copro_data->as_u32(adr++)); adr++; // 0, 1 or 2... float den = dx * plane[0] + dy * plane[1] + dz * plane[2]; if(den > -0.0001 && den < 0.0001) continue; float t = - (x1 * plane[0] + y1 * plane[1] + z1 * plane[2] + plane[3]) / den; if(t < 0 || t > 1) continue; float ix = x1 + dx*t; float iy = y1 + dy*t; float iz = z1 + dz*t; int cp = 0; for(int pt=0; pt<4; pt++) { int pt1 = (pt+1) & 3; float p01x = point[pt1][0] - point[pt][0]; float p01y = point[pt1][1] - point[pt][1]; float p01z = point[pt1][2] - point[pt][2]; float p0ix = ix - point[pt][0]; float p0iy = iy - point[pt][1]; float p0iz = iz - point[pt][2]; float det = plane[0] * (p01y * p0iz - p01z * p0iy) + plane[1] * (p01z * p0ix - p01x * p0iz) + plane[2] * (p01x * p0iy - p01y * p0ix); cp += det >= 0; } if(cp == 0 || cp == 4) { m_tgp_int_px = ix; m_tgp_int_py = iy; m_tgp_int_pz = iz; ret = 0; adr -= 17; break; } } m_tgp_int_adr = adr; fifoout_push(ret); } TGP_FUNCTION( model1_state::transform_point ) { float x = fifoin_pop_f(); float y = fifoin_pop_f(); float z = fifoin_pop_f(); logerror("TGP transform_point %f, %f, %f -> %f, %f, %f (%x)\n", x, y, z, m_cmat[0]*x+m_cmat[3]*y+m_cmat[6]*z+m_cmat[9], m_cmat[1]*x+m_cmat[4]*y+m_cmat[7]*z+m_cmat[10], m_cmat[2]*x+m_cmat[5]*y+m_cmat[8]*z+m_cmat[11], m_pushpc); fifoout_push_f(m_cmat[0]*x+m_cmat[3]*y+m_cmat[6]*z+m_cmat[9]); fifoout_push_f(m_cmat[1]*x+m_cmat[4]*y+m_cmat[7]*z+m_cmat[10]); fifoout_push_f(m_cmat[2]*x+m_cmat[5]*y+m_cmat[8]*z+m_cmat[11]); } TGP_FUNCTION( model1_state::fcos_m1 ) { s16 a = fifoin_pop(); logerror("TGP fcos %d (%x)\n", a, m_pushpc); fifoout_push_f(tcos(a)); } TGP_FUNCTION( model1_state::fsin_m1 ) { s16 a = fifoin_pop(); logerror("TGP fsin %d (%x)\n", a, m_pushpc); fifoout_push_f(tsin(a)); } TGP_FUNCTION( model1_state::fcosm_m1 ) { s16 a = fifoin_pop(); float b = fifoin_pop_f(); logerror("TGP fcosm %d, %f (%x)\n", a, b, m_pushpc); fifoout_push_f(b*tcos(a)); } TGP_FUNCTION( model1_state::fsinm_m1 ) { s16 a = fifoin_pop(); float b = fifoin_pop_f(); logerror("TGP fsinm %d, %f (%x)\n", a, b, m_pushpc); fifoout_push_f(b*tsin(a)); } TGP_FUNCTION( model1_state::distance3 ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); logerror("TGP distance3 (%f, %f, %f), (%f, %f, %f) (%x)\n", a, b, c, d, e, f, m_pushpc); a -= d; b -= e; c -= f; fifoout_push_f(sqrtf(a*a+b*b+c*c)); } TGP_FUNCTION( model1_state::ftoi ) { float a = fifoin_pop_f(); logerror("TGP ftoi %f (%x)\n", a, m_pushpc); fifoout_push((int)a); } TGP_FUNCTION( model1_state::itof ) { int32_t a = fifoin_pop(); logerror("TGP itof %d (%x)\n", a, m_pushpc); fifoout_push_f(a); } TGP_FUNCTION( model1_state::acc_set ) { float a = fifoin_pop_f(); logerror("TGP acc_set %f (%x)\n", a, m_pushpc); m_acc = a; } TGP_FUNCTION( model1_state::acc_get ) { logerror("TGP acc_get (%x)\n", m_pushpc); fifoout_push_f(m_acc); } TGP_FUNCTION( model1_state::acc_add ) { float a = fifoin_pop_f(); logerror("TGP acc_add %f (%x)\n", a, m_pushpc); m_acc += a; } TGP_FUNCTION( model1_state::acc_sub ) { float a = fifoin_pop_f(); logerror("TGP acc_sub %f (%x)\n", a, m_pushpc); m_acc -= a; } TGP_FUNCTION( model1_state::acc_mul ) { float a = fifoin_pop_f(); logerror("TGP acc_mul %f (%x)\n", a, m_pushpc); m_acc *= a; } TGP_FUNCTION( model1_state::acc_div ) { float a = fifoin_pop_f(); logerror("TGP acc_div %f (%x)\n", a, m_pushpc); m_acc /= a; } TGP_FUNCTION( model1_state::f42 ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); (void)a; (void)b; (void)c; logerror("TGP f42 %f, %f, %f (%x)\n", a, b, c, m_pushpc); // fifoout_push_f((machine().rand() % 1000) - 500); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); } // r = (x2 + y2 + z2)1/2, f = tan-1(y/(x2+z2)1/2), q = tan-1(z/x) TGP_FUNCTION( model1_state::xyz2rqf ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float norm; logerror("TGP xyz2rqf %f, %f, %f (%x)\n", a, b, c, m_pushpc); fifoout_push_f(sqrtf(a*a+b*b+c*c)); norm = sqrtf(a*a+c*c); if(!c) { if(a>=0) fifoout_push(0); else fifoout_push((u32)-32768); } else if(!a) { if(c>=0) fifoout_push(16384); else fifoout_push((u32)-16384); } else fifoout_push((s16)(atan2(c, a)*32768/M_PI)); if(!b) fifoout_push(0); else if(!norm) { if(b>=0) fifoout_push(16384); else fifoout_push((u32)-16384); } else fifoout_push((s16)(atan2(b, norm)*32768/M_PI)); } TGP_FUNCTION( model1_state::f43 ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); (void)a; (void)b; (void)c; (void)d; (void)e; (void)f; logerror("TGP f43 %f, %f, %f, %f, %f, %f (%x)\n", a, b, c, d, e, f, m_pushpc); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); } TGP_FUNCTION( model1_state::f43_swa ) { float a = fifoin_pop_f(); int b = fifoin_pop(); int c = fifoin_pop(); (void)a; (void)b; (void)c; logerror("TGP f43_swa %f, %d, %d (%x)\n", a, b, c, m_pushpc); fifoout_push_f(0); fifoout_push_f(0); fifoout_push_f(0); } TGP_FUNCTION( model1_state::track_read_tri ) { u32 a = fifoin_pop(); int offd; logerror("TGP track_read_tri %d (%x)\n", a, m_pushpc); offd = m_copro_data->as_u32(0x20+m_tgp_vr_select) + 16*a; fifoout_push(m_copro_data->as_u32(offd+12)); fifoout_push(m_copro_data->as_u32(offd+13)); fifoout_push(m_copro_data->as_u32(offd+14)); } TGP_FUNCTION( model1_state::matrix_sdir ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float norm = sqrtf(a*a+b*b+c*c); float t[9], m[9]; logerror("TGP matrix_sdir %f, %f, %f (%x)\n", a, b, c, m_pushpc); memset(t, 0, sizeof(t)); if(!norm) { memset(t, 0, 9*sizeof(t[0])); t[0] = 1.0; t[4] = 1.0; t[8] = 1.0; } else { t[0] = -c / norm; t[1] = b / norm; t[2] = a / norm; norm = sqrtf(a*a+c*c); t[6] = a/norm; t[7] = 0; t[8] = c/norm; t[3] = -b*c; t[4] = a*a+c*c; t[5] = -b*a; norm = sqrtf(t[3]*t[3]+t[4]*t[4]+t[5]*t[5]); t[3] /= norm; t[4] /= norm; t[5] /= norm; } m[0] = t[0]*m_cmat[0] + t[1]*m_cmat[3] + t[2]*m_cmat[6]; m[1] = t[0]*m_cmat[1] + t[1]*m_cmat[4] + t[2]*m_cmat[7]; m[2] = t[0]*m_cmat[2] + t[1]*m_cmat[5] + t[2]*m_cmat[8]; m[3] = t[3]*m_cmat[0] + t[4]*m_cmat[3] + t[5]*m_cmat[6]; m[4] = t[3]*m_cmat[1] + t[4]*m_cmat[4] + t[5]*m_cmat[7]; m[5] = t[3]*m_cmat[2] + t[4]*m_cmat[5] + t[5]*m_cmat[8]; m[6] = t[6]*m_cmat[0] + t[7]*m_cmat[3] + t[8]*m_cmat[6]; m[7] = t[6]*m_cmat[1] + t[7]*m_cmat[4] + t[8]*m_cmat[7]; m[8] = t[6]*m_cmat[2] + t[7]*m_cmat[5] + t[8]*m_cmat[8]; memcpy(m_cmat, m, sizeof(m)); } TGP_FUNCTION( model1_state::fsqrt ) { float a = fifoin_pop_f(); logerror("TGP fsqrt %f (%x)\n", a, m_pushpc); fifoout_push_f(sqrtf(a)); } TGP_FUNCTION( model1_state::vlength ) { float x = fifoin_pop_f(); float y = fifoin_pop_f(); float z = fifoin_pop_f(); logerror("TGP vlength %f, %f, %f (%x)\n", x, y, z, m_pushpc); x -= m_tgp_vr_base[0]; y -= m_tgp_vr_base[1]; z -= m_tgp_vr_base[2]; fifoout_push_f(sqrtf(x*x + y*y + z*z) - m_tgp_vr_base[3]); } TGP_FUNCTION( model1_state::f47 ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); logerror("TGP f47 %f, %f, %f (%x)\n", a, b, c, m_pushpc); fifoout_push_f(a+c); fifoout_push_f(b+c); } TGP_FUNCTION( model1_state::track_read_info ) { u16 a = fifoin_pop(); int offd; logerror("TGP track_read_info %d (%x)\n", a, m_pushpc); offd = m_copro_data->as_u32(0x20+m_tgp_vr_select) + 16*a; fifoout_push(m_copro_data->as_u32(offd+15)); } TGP_FUNCTION( model1_state::colbox_set ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); float g = fifoin_pop_f(); float h = fifoin_pop_f(); float i = fifoin_pop_f(); float j = fifoin_pop_f(); float k = fifoin_pop_f(); float l = fifoin_pop_f(); logerror("TGP colbox_set %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f (%x)\n", a, b, c, d, e, f, g, h, i, j, k, l, m_pushpc); m_tgp_vr_cbox[ 0] = a; m_tgp_vr_cbox[ 1] = b; m_tgp_vr_cbox[ 2] = c; m_tgp_vr_cbox[ 3] = d; m_tgp_vr_cbox[ 4] = e; m_tgp_vr_cbox[ 5] = f; m_tgp_vr_cbox[ 6] = g; m_tgp_vr_cbox[ 7] = h; m_tgp_vr_cbox[ 8] = i; m_tgp_vr_cbox[ 9] = j; m_tgp_vr_cbox[10] = k; m_tgp_vr_cbox[11] = l; } TGP_FUNCTION( model1_state::colbox_test ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); (void)a; (void)b; (void)c; logerror("TGP colbox_test %f, %f, %f (%x)\n", a, b, c, m_pushpc); // #### Wrong, need to check with the tgp_vr_cbox coordinates // Game only test sign, negative = collision fifoout_push_f(-1); } TGP_FUNCTION( model1_state::f49_swa ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); (void)a; (void)b; (void)c; (void)d; (void)e; (void)f; logerror("TGP f49_swa %f, %f, %f, %f, %f, %f (%x)\n", a, b, c, d, e, f, m_pushpc); } TGP_FUNCTION( model1_state::f50_swa ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); (void)a; (void)b; (void)c; (void)d; logerror("TGP f50_swa %f, %f, %f, %f (%x)\n", a, b, c, d, m_pushpc); fifoout_push_f(d); } TGP_FUNCTION( model1_state::f52 ) { logerror("TGP f52 (%x)\n", m_pushpc); } TGP_FUNCTION( model1_state::matrix_rdir ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float norm = sqrtf(a*a+c*c); float t1, t2; (void)b; logerror("TGP matrix_rdir %f, %f, %f (%x)\n", a, b, c, m_pushpc); if(!norm) { c = 1; a = 0; } else { c /= norm; a /= norm; } t1 = m_cmat[6]; t2 = m_cmat[0]; m_cmat[6] = c*t1-a*t2; m_cmat[0] = a*t1+c*t2; t1 = m_cmat[7]; t2 = m_cmat[1]; m_cmat[7] = c*t1-a*t2; m_cmat[1] = a*t1+c*t2; t1 = m_cmat[8]; t2 = m_cmat[2]; m_cmat[8] = c*t1-a*t2; m_cmat[2] = a*t1+c*t2; } // A+(B-A)*t1 + (C-A)*t2 = P static void tri_calc_pq(float ax, float ay, float bx, float by, float cx, float cy, float px, float py, float *t1, float *t2) { float d; bx -= ax; cx -= ax; px -= ax; by -= ay; cy -= ay; py -= ay; d = bx*cy-by*cx; *t1 = (px*cy-py*cx)/d; *t2 = (bx*py-by*px)/d; } TGP_FUNCTION( model1_state::track_lookup ) { float a = fifoin_pop_f(); u32 b = fifoin_pop(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); int offi, offd, len; float dist; int i; u32 entry; float height; logerror("TGP track_lookup %f, 0x%x, %f, %f (%x)\n", a, b, c, d, m_pushpc); offi = m_copro_data->as_u32(0x10+m_tgp_vr_select) + b; offd = m_copro_data->as_u32(0x20+m_tgp_vr_select); len = m_copro_data->as_u32(offi++); dist = -1; // behaviour = 0; height = 0.0; entry = 0; for(i=0; ias_u32(offi++); int posd = offd + bpos*0x10; const float *pts = (const float *)&m_copro_data->as_u32(posd); float ax = pts[12]; float ay = pts[14]; float az = pts[13]; for(j=0; j<4; j++) { float t1, t2; int k = (j+1) & 3; tri_calc_pq(ax, ay, pts[3*j], pts[3*j+2], pts[3*k], pts[3*k+2], c, d, &t1, &t2); if(t1 >= 0 && t2 >= 0 && t1+t2 <= 1) { float z = az+t1*(pts[3*j+1]-az)+t2*(pts[3*k+1]-az); float d = (a-z)*(a-z); if(dist == -1 || das_u32(posd+15); height = z; entry = bpos+i; } } } } m_copro_ram_data[0x0000] = 0; // non zero (ffffffff) = still searching m_copro_ram_data[0x0001] = f2u(height); m_copro_ram_data[0x0002] = entry; } TGP_FUNCTION( model1_state::f56 ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); u32 g = fifoin_pop(); (void)a; (void)b; (void)c; (void)d; (void)e; (void)f; (void)g; logerror("TGP f56 %f, %f, %f, %f, %f, %f, %d (%x)\n", a, b, c, d, e, f, g, m_pushpc); fifoout_push(0); } TGP_FUNCTION( model1_state::int_normal ) { logerror("TGP int_normal (%x)\n", m_pushpc); fifoout_push_f(u2f(m_copro_data->as_u32(m_tgp_int_adr+12))); fifoout_push_f(u2f(m_copro_data->as_u32(m_tgp_int_adr+13))); fifoout_push_f(u2f(m_copro_data->as_u32(m_tgp_int_adr+14))); } TGP_FUNCTION( model1_state::matrix_readt ) { logerror("TGP matrix_readt (%x)\n", m_pushpc); fifoout_push_f(m_cmat[9]); fifoout_push_f(m_cmat[10]); fifoout_push_f(m_cmat[11]); } TGP_FUNCTION( model1_state::acc_geti ) { logerror("TGP acc_geti (%x)\n", m_pushpc); fifoout_push((int)m_acc); } TGP_FUNCTION( model1_state::int_point ) { logerror("TGP int_point (%x)\n", m_pushpc); fifoout_push_f(m_tgp_int_px); fifoout_push_f(m_tgp_int_py); fifoout_push_f(m_tgp_int_pz); } TGP_FUNCTION( model1_state::col_setcirc ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); logerror("TGP col_setcirc %f, %f, %f (%x)\n", a, b, c, m_pushpc); m_tgp_vr_circx = a; m_tgp_vr_circy = b; m_tgp_vr_circrad = c; } TGP_FUNCTION( model1_state::col_testpt ) { float x, y; float a = fifoin_pop_f(); float b = fifoin_pop_f(); logerror("TGP col_testpt %f, %f (%x)\n", a, b, m_pushpc); x = a - m_tgp_vr_circx; y = b - m_tgp_vr_circy; fifoout_push_f(sqrtf(x*x+y*y) - m_tgp_vr_circrad); } TGP_FUNCTION( model1_state::push_and_ident ) { if(m_mat_stack_pos != MAT_STACK_SIZE) { memcpy(m_mat_stack[m_mat_stack_pos], m_cmat, sizeof(m_cmat)); m_mat_stack_pos++; } logerror("TGP push_and_ident (depth=%d, pc=%x)\n", m_mat_stack_pos, m_pushpc); memset(m_cmat, 0, sizeof(m_cmat)); m_cmat[0] = 1.0; m_cmat[4] = 1.0; m_cmat[8] = 1.0; } TGP_FUNCTION( model1_state::catmull_rom ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); float g = fifoin_pop_f(); float h = fifoin_pop_f(); float i = fifoin_pop_f(); float j = fifoin_pop_f(); float k = fifoin_pop_f(); float l = fifoin_pop_f(); float m = fifoin_pop_f(); float m2, m3; float w1, w2, w3, w4; logerror("TGP catmull_rom %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f (%x)\n", a, b, c, d, e, f, g, h, i, j, k, l, m, m_pushpc); m2 = m*m; m3 = m*m*m; w1 = 0.5f*(-m3+2*m2-m); w2 = 0.5f*(3*m3-5*m2+2); w3 = 0.5f*(-3*m3+4*m2+m); w4 = 0.5f*(m3-m2); fifoout_push_f(a*w1+d*w2+g*w3+j*w4); fifoout_push_f(b*w1+e*w2+h*w3+k*w4); fifoout_push_f(c*w1+f*w2+i*w3+l*w4); } TGP_FUNCTION( model1_state::distance ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); logerror("TGP distance (%f, %f), (%f, %f) (%x)\n", a, b, c, d, m_pushpc); c -= a; d -= b; fifoout_push_f(sqrtf(c*c+d*d)); } TGP_FUNCTION( model1_state::car_move ) { s16 a = fifoin_pop(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float dx, dy; logerror("TGP car_move (%d, %f), (%f, %f) (%x)\n", a, b, c, d, m_pushpc); dx = b*tsin(a); dy = b*tcos(a); fifoout_push_f(dx); fifoout_push_f(dy); fifoout_push_f(c+dx); fifoout_push_f(d+dy); } TGP_FUNCTION( model1_state::cpa ) { float dv_x, dv_y, dv_z, dv2, dw_x, dw_y, dw_z, dt; float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); float e = fifoin_pop_f(); float f = fifoin_pop_f(); float g = fifoin_pop_f(); float h = fifoin_pop_f(); float i = fifoin_pop_f(); float j = fifoin_pop_f(); float k = fifoin_pop_f(); float l = fifoin_pop_f(); logerror("TGP cpa %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f, %f (%x)\n", a, b, c, d, e, f, g, h, i, j, k, l, m_pushpc); dv_x = (b-a) - (d-c); dv_y = (f-e) - (h-g); dv_z = (j-i) - (l-k); dv2 = dv_x*dv_x + dv_y*dv_y + dv_z*dv_z; if(dv2 < 0.001f) dt = 0; else { dw_x = a-c; dw_y = e-g; dw_z = i-k; dt = -(dw_x*dv_x + dw_y*dv_y + dw_z*dv_z)/dv2; } if(dt < 0) dt = 0; else if(dt > 1.0f) dt = 1.0f; dv_x = (a-c)*(1-dt) + (b-d)*dt; dv_y = (e-g)*(1-dt) + (f-h)*dt; dv_z = (i-k)*(1-dt) + (j-l)*dt; dv2 = dv_x*dv_x + dv_y*dv_y + dv_z*dv_z; fifoout_push_f(sqrtf(dv2)); } TGP_FUNCTION( model1_state::vmat_store ) { u32 a = fifoin_pop(); if(a<21) memcpy(m_mat_vector[a], m_cmat, sizeof(m_cmat)); else logerror("TGP ERROR bad vector index\n"); logerror("TGP vmat_store %d (%x)\n", a, m_pushpc); } TGP_FUNCTION( model1_state::vmat_restore ) { u32 a = fifoin_pop(); if(a<21) memcpy(m_cmat, m_mat_vector[a], sizeof(m_cmat)); else logerror("TGP ERROR bad vector index\n"); logerror("TGP vmat_restore %d (%x)\n", a, m_pushpc); } TGP_FUNCTION( model1_state::vmat_mul ) { u32 a = fifoin_pop(); u32 b = fifoin_pop(); if(a<21 && b<21) { m_mat_vector[b][0] = m_mat_vector[a][ 0]*m_cmat[0] + m_mat_vector[a][ 1]*m_cmat[3] + m_mat_vector[a][ 2]*m_cmat[6]; m_mat_vector[b][1] = m_mat_vector[a][ 0]*m_cmat[1] + m_mat_vector[a][ 1]*m_cmat[4] + m_mat_vector[a][ 2]*m_cmat[7]; m_mat_vector[b][2] = m_mat_vector[a][ 0]*m_cmat[2] + m_mat_vector[a][ 1]*m_cmat[5] + m_mat_vector[a][ 2]*m_cmat[8]; m_mat_vector[b][3] = m_mat_vector[a][ 3]*m_cmat[0] + m_mat_vector[a][ 4]*m_cmat[3] + m_mat_vector[a][ 5]*m_cmat[6]; m_mat_vector[b][4] = m_mat_vector[a][ 3]*m_cmat[1] + m_mat_vector[a][ 4]*m_cmat[4] + m_mat_vector[a][ 5]*m_cmat[7]; m_mat_vector[b][5] = m_mat_vector[a][ 3]*m_cmat[2] + m_mat_vector[a][ 4]*m_cmat[5] + m_mat_vector[a][ 5]*m_cmat[8]; m_mat_vector[b][6] = m_mat_vector[a][ 6]*m_cmat[0] + m_mat_vector[a][ 7]*m_cmat[3] + m_mat_vector[a][ 8]*m_cmat[6]; m_mat_vector[b][7] = m_mat_vector[a][ 6]*m_cmat[1] + m_mat_vector[a][ 7]*m_cmat[4] + m_mat_vector[a][ 8]*m_cmat[7]; m_mat_vector[b][8] = m_mat_vector[a][ 6]*m_cmat[2] + m_mat_vector[a][ 7]*m_cmat[5] + m_mat_vector[a][ 8]*m_cmat[8]; m_mat_vector[b][9] = m_mat_vector[a][ 9]*m_cmat[0] + m_mat_vector[a][10]*m_cmat[3] + m_mat_vector[a][11]*m_cmat[6] + m_cmat[9]; m_mat_vector[b][10] = m_mat_vector[a][ 9]*m_cmat[1] + m_mat_vector[a][10]*m_cmat[4] + m_mat_vector[a][11]*m_cmat[7] + m_cmat[10]; m_mat_vector[b][11] = m_mat_vector[a][ 9]*m_cmat[2] + m_mat_vector[a][10]*m_cmat[5] + m_mat_vector[a][11]*m_cmat[8] + m_cmat[11]; } else logerror("TGP ERROR bad vector index\n"); logerror("TGP vmat_mul %d, %d (%x)\n", a, b, m_pushpc); } TGP_FUNCTION( model1_state::vmat_read ) { u32 a = fifoin_pop(); logerror("TGP vmat_read %d (%x)\n", a, m_pushpc); if(a<21) { int i; for(i=0; i<12; i++) fifoout_push_f(m_mat_vector[a][i]); } else { int i; logerror("TGP ERROR bad vector index\n"); for(i=0; i<12; i++) fifoout_push_f(0); } } TGP_FUNCTION( model1_state::matrix_rtrans ) { logerror("TGP matrix_rtrans (%x)\n", m_pushpc); fifoout_push_f(m_cmat[ 9]); fifoout_push_f(m_cmat[10]); fifoout_push_f(m_cmat[11]); } TGP_FUNCTION( model1_state::matrix_unrot ) { logerror("TGP matrix_unrot (%x)\n", m_pushpc); memset(m_cmat, 0, 9*sizeof(m_cmat[0])); m_cmat[0] = 1.0; m_cmat[4] = 1.0; m_cmat[8] = 1.0; } TGP_FUNCTION( model1_state::f80 ) { logerror("TGP f80 (%x)\n", m_pushpc); // m_cmat[9] = m_cmat[10] = m_cmat[11] = 0; } TGP_FUNCTION( model1_state::vmat_save ) { u32 a = fifoin_pop(); int i; logerror("TGP vmat_save 0x%x (%x)\n", a, m_pushpc); for(i=0; i<16; i++) memcpy(m_copro_ram_data.get()+a+0x10*i, m_mat_vector[i], sizeof(m_cmat)); } TGP_FUNCTION( model1_state::vmat_load ) { u32 a = fifoin_pop(); int i; logerror("TGP vmat_load 0x%x (%x)\n", a, m_pushpc); for(i=0; i<16; i++) memcpy(m_mat_vector[i], m_copro_ram_data.get()+a+0x10*i, sizeof(m_cmat)); } TGP_FUNCTION( model1_state::ram_setadr ) { m_copro_hle_ram_scan_adr = fifoin_pop() - 0x8000; logerror("TGP f0 ram_setadr 0x%x (%x)\n", m_copro_hle_ram_scan_adr+0x8000, m_pushpc); } TGP_FUNCTION( model1_state::groundbox_test ) { int out_x, out_y, out_z; float x, /*y,*/ z; float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); logerror("TGP groundbox_test %f, %f, %f (%x)\n", a, b, c, m_pushpc); x = m_cmat[0]*a+m_cmat[3]*b+m_cmat[6]*c+m_cmat[9]; //y = m_cmat[1]*a+m_cmat[4]*b+m_cmat[7]*c+m_cmat[10]; z = m_cmat[2]*a+m_cmat[5]*b+m_cmat[8]*c+m_cmat[11]; out_x = x < m_tgp_vf_xmin || x > m_tgp_vf_xmax; out_z = z < m_tgp_vf_zmin || z > m_tgp_vf_zmax; out_y = 1; // Wrong, but untestable it seems. fifoout_push(out_x); fifoout_push(out_y); fifoout_push(out_z); } TGP_FUNCTION( model1_state::f89 ) { u32 a = fifoin_pop(); u32 b = fifoin_pop(); u32 c = fifoin_pop(); u32 d = fifoin_pop(); (void)a; (void)b; (void)c; logerror("TGP list set base 0x%x, 0x%x, %d, length=%d (%x)\n", a, b, c, d, m_pushpc); m_copro_hle_list_length = d; } TGP_FUNCTION( model1_state::f92 ) { float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); float d = fifoin_pop_f(); (void)a; (void)b; (void)c; (void)d; logerror("TGP f92 %f, %f, %f, %f (%x)\n", a, b, c, d, m_pushpc); } TGP_FUNCTION( model1_state::f93 ) { float a = fifoin_pop_f(); (void)a; logerror("TGP f93 %f (%x)\n", a, m_pushpc); } TGP_FUNCTION( model1_state::f94 ) { u32 a = fifoin_pop(); (void)a; logerror("TGP f94 %d (%x)\n", a, m_pushpc); } TGP_FUNCTION( model1_state::vmat_flatten ) { int i; float m[12]; logerror("TGP vmat_flatten (%x)\n", m_pushpc); for(i=0; i<16; i++) { memcpy(m, m_mat_vector[i], sizeof(m_cmat)); m[1] = m[4] = m[7] = m[10] = 0; m_mat_vector[i][0] = m[ 0]*m_cmat[0] + m[ 1]*m_cmat[3] + m[ 2]*m_cmat[6]; m_mat_vector[i][1] = m[ 0]*m_cmat[1] + m[ 1]*m_cmat[4] + m[ 2]*m_cmat[7]; m_mat_vector[i][2] = m[ 0]*m_cmat[2] + m[ 1]*m_cmat[5] + m[ 2]*m_cmat[8]; m_mat_vector[i][3] = m[ 3]*m_cmat[0] + m[ 4]*m_cmat[3] + m[ 5]*m_cmat[6]; m_mat_vector[i][4] = m[ 3]*m_cmat[1] + m[ 4]*m_cmat[4] + m[ 5]*m_cmat[7]; m_mat_vector[i][5] = m[ 3]*m_cmat[2] + m[ 4]*m_cmat[5] + m[ 5]*m_cmat[8]; m_mat_vector[i][6] = m[ 6]*m_cmat[0] + m[ 7]*m_cmat[3] + m[ 8]*m_cmat[6]; m_mat_vector[i][7] = m[ 6]*m_cmat[1] + m[ 7]*m_cmat[4] + m[ 8]*m_cmat[7]; m_mat_vector[i][8] = m[ 6]*m_cmat[2] + m[ 7]*m_cmat[5] + m[ 8]*m_cmat[8]; m_mat_vector[i][9] = m[ 9]*m_cmat[0] + m[10]*m_cmat[3] + m[11]*m_cmat[6] + m_cmat[9]; m_mat_vector[i][10] = m[ 9]*m_cmat[1] + m[10]*m_cmat[4] + m[11]*m_cmat[7] + m_cmat[10]; m_mat_vector[i][11] = m[ 9]*m_cmat[2] + m[10]*m_cmat[5] + m[11]*m_cmat[8] + m_cmat[11]; } } TGP_FUNCTION( model1_state::vmat_load1 ) { u32 a = fifoin_pop(); logerror("TGP vmat_load1 0x%x (%x)\n", a, m_pushpc); memcpy(m_cmat, m_copro_ram_data.get()+a, sizeof(m_cmat)); } TGP_FUNCTION( model1_state::ram_trans ) { float a = ram_get_f(); float b = ram_get_f(); float c = ram_get_f(); logerror("TGP ram_trans (%x)\n", m_pushpc); m_cmat[ 9] += m_cmat[0]*a+m_cmat[3]*b+m_cmat[6]*c; m_cmat[10] += m_cmat[1]*a+m_cmat[4]*b+m_cmat[7]*c; m_cmat[11] += m_cmat[2]*a+m_cmat[5]*b+m_cmat[8]*c; } TGP_FUNCTION( model1_state::f98 ) { u32 a = fifoin_pop(); (void)a; logerror("TGP load list start %d (%x)\n", a, m_pushpc); m_copro_hle_active_list_length = m_copro_hle_list_length; m_copro_hle_active_list_pos = 0; } TGP_FUNCTION( model1_state::f99 ) { logerror("TGP f99 (%x)\n", m_pushpc); } TGP_FUNCTION( model1_state::f100 ) { int i; logerror("TGP f100 get list (%x)\n", m_pushpc); for(i=0; iis_empty()) { u32 v = m_copro_fifo_in->pop(); m_copro_hle_active_list_pos++; logerror("TGP load list %d/%d: %08x\n", m_copro_hle_active_list_pos, m_copro_hle_active_list_length, v); } if(m_copro_hle_active_list_pos == m_copro_hle_active_list_length) m_copro_hle_active_list_pos = m_copro_hle_active_list_length = 0; if(m_copro_fifo_in->is_empty()) return; } next: u32 f = m_copro_fifo_in->peek(0) >> 23; // Extracts the exponent of the ieee float // logerror("function %02x size %d/%d\n", f, int(m_copro_fifo_in->size() - 1), ftab_vf[f].count); if(f < ARRAY_LENGTH(ftab_vf) && ftab_vf[f].cb != nullptr) { unsigned np = ftab_vf[f].count; if(m_copro_fifo_in->size() >= np+1) { m_copro_fifo_in->pop(); (this->*ftab_vf[f].cb)(); if(!m_copro_fifo_in->is_empty()) goto next; } } else { logerror("TGP function %d unimplemented (%x)\n", f, m_pushpc); m_copro_fifo_in->pop(); } } void model1_state::copro_hle_swa() { u32 f = m_copro_fifo_in->peek(0); if(f < ARRAY_LENGTH(ftab_swa) && ftab_swa[f].cb != nullptr) { unsigned np = ftab_swa[f].count; if(m_copro_fifo_in->size() >= np+1) { m_copro_fifo_in->pop(); (this->*ftab_swa[f].cb)(); } } else { logerror("TGP function %d unimplemented (%x)\n", f, m_pushpc); m_copro_fifo_in->pop(); } } MACHINE_START_MEMBER(model1_state,model1) { m_digits.resolve(); m_copro_ram_data = std::make_unique(0x8000); save_pointer(NAME(m_copro_ram_data.get()), 0x8000); save_item(NAME(m_v60_copro_ram_adr)); save_item(NAME(m_copro_hle_ram_scan_adr)); save_item(NAME(m_v60_copro_ram_latch)); save_item(NAME(m_cmat)); save_item(NAME(m_mat_stack)); save_item(NAME(m_mat_vector)); save_item(NAME(m_mat_stack_pos)); save_item(NAME(m_acc)); save_item(NAME(m_copro_hle_list_length)); save_item(NAME(m_copro_hle_active_list_length)); save_item(NAME(m_copro_hle_active_list_pos)); if(m_tgp_copro) { m_copro_fifo_in->setup(16, [this]() { m_tgp_copro->stall(); }, [this]() { m_tgp_copro->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); }, [this]() { m_tgp_copro->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); }, [ ]() { }, [ ]() { }); m_copro_fifo_out->setup(16, [this]() { m_maincpu->stall(); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); }, [this]() { m_tgp_copro->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); }, [this]() { m_tgp_copro->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); }, [ ]() { }, [ ]() { }); } else { bool is_swa = !strcmp(machine().system().name, "swa") || !strcmp(machine().system().name, "wingwar") || !strcmp(machine().system().name, "wingwaru") || !strcmp(machine().system().name, "wingwarj") || !strcmp(machine().system().name, "wingwar360") || !strcmp(machine().system().name, "netmerc"); std::function push_cb; if(is_swa) push_cb = [this]() { copro_hle_swa(); }; else push_cb = [this]() { copro_hle_vf(); }; m_copro_fifo_in->setup(16, [ ]() { }, [ ]() { }, [ ]() { }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); }, push_cb, [ ]() { }); m_copro_fifo_out->setup(16, [this]() { m_maincpu->stall(); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); }, [this]() { m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); }, [ ]() { }, [ ]() { }, [ ]() { }, [ ]() { }); } } void model1_state::copro_reset() { m_v60_copro_ram_adr = 0; m_copro_ram_adr = 0; m_copro_sincos_base = 0; m_copro_inv_base = 0; m_copro_isqrt_base = 0; std::fill(std::begin(m_copro_atan_base), std::end(m_copro_atan_base), 0); std::fill(std::begin(m_v60_copro_ram_latch), std::end(m_v60_copro_ram_latch), 0); memset(m_copro_ram_data.get(), 0, 0x8000*4); if(!m_tgp_copro) { m_acc = 0; m_mat_stack_pos = 0; m_copro_hle_active_list_length = 0; m_copro_hle_active_list_pos = 0; m_copro_hle_list_length = 0; memset(m_cmat, 0, sizeof(m_cmat)); m_cmat[0] = 1.0; m_cmat[4] = 1.0; m_cmat[8] = 1.0; } } READ16_MEMBER(model1_state::v60_copro_ram_adr_r) { return m_v60_copro_ram_adr; } WRITE16_MEMBER(model1_state::v60_copro_ram_adr_w) { COMBINE_DATA(&m_v60_copro_ram_adr); } READ16_MEMBER(model1_state::v60_copro_ram_r) { u16 r; if (!offset) r = m_copro_ram_data[m_v60_copro_ram_adr & 0x7fff]; else { r = m_copro_ram_data[m_v60_copro_ram_adr & 0x7fff] >> 16; if(m_v60_copro_ram_adr & 0x8000) m_v60_copro_ram_adr ++; } return r; } WRITE16_MEMBER(model1_state::v60_copro_ram_w) { COMBINE_DATA(m_v60_copro_ram_latch + offset); if (offset) { u32 v = m_v60_copro_ram_latch[0] | (m_v60_copro_ram_latch[1] << 16); m_copro_ram_data[m_v60_copro_ram_adr & 0x7fff] = v; if(m_v60_copro_ram_adr & 0x8000) m_v60_copro_ram_adr++; } } READ16_MEMBER(model1_state::v60_copro_fifo_r) { if (!offset) { m_v60_copro_fifo_r = m_copro_fifo_out->pop(); return m_v60_copro_fifo_r; } else return m_v60_copro_fifo_r >> 16; } WRITE16_MEMBER(model1_state::v60_copro_fifo_w) { if(offset) { m_v60_copro_fifo_w = (m_v60_copro_fifo_w & 0x0000ffff) | (data << 16); m_pushpc = m_maincpu->pc(); m_copro_fifo_in->push(u32(m_v60_copro_fifo_w)); } else m_v60_copro_fifo_w = (m_v60_copro_fifo_w & 0xffff0000) | data; } /* Coprocessor TGP memory map */ void model1_state::copro_prog_map(address_map &map) { map(0x000, 0x7ff).rom(); } void model1_state::copro_data_map(address_map &map) { map(0x0000, 0x00ff).ram(); map(0x0100, 0x0100).r(m_copro_fifo_in, FUNC(generic_fifo_u32_device::read)); map(0x0200, 0x03ff).ram(); map(0x0400, 0x0400).w(m_copro_fifo_out, FUNC(generic_fifo_u32_device::write)); } void model1_state::copro_io_map(address_map &map) { map(0x0008, 0x0008).rw(this, FUNC(model1_state::copro_ramadr_r), FUNC(model1_state::copro_ramadr_w)); map(0x0009, 0x0009).rw(this, FUNC(model1_state::copro_ramdata_r), FUNC(model1_state::copro_ramdata_w)); map(0x0020, 0x0023).rw(this, FUNC(model1_state::copro_sincos_r), FUNC(model1_state::copro_sincos_w)); map(0x0024, 0x0027).rw(this, FUNC(model1_state::copro_atan_r), FUNC(model1_state::copro_atan_w)); map(0x0028, 0x0029).rw(this, FUNC(model1_state::copro_inv_r), FUNC(model1_state::copro_inv_w)); map(0x002a, 0x002b).rw(this, FUNC(model1_state::copro_isqrt_r), FUNC(model1_state::copro_isqrt_w)); map(0x002e, 0x002e).w(this, FUNC(model1_state::copro_data_w)); map(0x8000, 0xffff).r(this, FUNC(model1_state::copro_data_r)); } void model1_state::copro_rf_map(address_map &map) { map(0x0, 0x0).nopw(); // leds? busy flag? } WRITE32_MEMBER(model1_state::copro_ramadr_w) { COMBINE_DATA(&m_copro_ram_adr); } READ32_MEMBER(model1_state::copro_ramadr_r) { return m_copro_ram_adr; } WRITE32_MEMBER(model1_state::copro_ramdata_w) { COMBINE_DATA(&m_copro_ram_data[m_copro_ram_adr & 0x7fff]); m_copro_ram_adr ++; } READ32_MEMBER(model1_state::copro_ramdata_r) { u32 val = m_copro_ram_data[m_copro_ram_adr & 0x7fff]; m_copro_ram_adr ++; return val; } WRITE32_MEMBER(model1_state::copro_sincos_w) { COMBINE_DATA(&m_copro_sincos_base); } READ32_MEMBER(model1_state::copro_sincos_r) { offs_t ang = m_copro_sincos_base + offset * 0x4000; offs_t index = ang & 0x3fff; if(ang & 0x4000) index ^= 0x3fff; u32 result = m_copro_tables[index]; if(ang & 0x8000) result ^= 0x80000000; return result; } WRITE32_MEMBER(model1_state::copro_inv_w) { COMBINE_DATA(&m_copro_inv_base); } READ32_MEMBER(model1_state::copro_inv_r) { offs_t index = ((m_copro_inv_base >> 9) & 0x3ffe) | (offset & 1); u32 result = m_copro_tables[index | 0x8000]; u8 bexp = (m_copro_inv_base >> 23) & 0xff; u8 exp = (result >> 23) + (0x7f - bexp); result = (result & 0x807fffff) | (exp << 23); if(m_copro_inv_base & 0x80000000) result ^= 0x80000000; return result; } WRITE32_MEMBER(model1_state::copro_isqrt_w) { COMBINE_DATA(&m_copro_isqrt_base); } READ32_MEMBER(model1_state::copro_isqrt_r) { offs_t index = 0x2000 ^ (((m_copro_isqrt_base>> 10) & 0x3ffe) | (offset & 1)); u32 result = m_copro_tables[index | 0xc000]; u8 bexp = (m_copro_isqrt_base >> 24) & 0x7f; u8 exp = (result >> 23) + (0x3f - bexp); result = (result & 0x807fffff) | (exp << 23); if(!(offset & 1)) result &= 0x7fffffff; return result; } WRITE32_MEMBER(model1_state::copro_atan_w) { COMBINE_DATA(&m_copro_atan_base[offset]); } READ32_MEMBER(model1_state::copro_atan_r) { offs_t index = (m_copro_atan_base[3] << 1); if(index == 0x4000) index = 0x3fff; u32 result = m_copro_tables[index | 0x4000]; bool s0 = m_copro_atan_base[0] & 0x80000000; bool s1 = m_copro_atan_base[1] & 0x80000000; bool s2 = m_copro_atan_base[2] & 0x80000000; if(s0 ^ s1 ^ s2) result >>= 16; if(s2) result += 0x4000; if((s0 && !s2) || (s1 && s2)) result += 0x8000; return result & 0xffff; } WRITE32_MEMBER(model1_state::copro_data_w) { COMBINE_DATA(&m_copro_data_base); } READ32_MEMBER(model1_state::copro_data_r) { offs_t index = (m_copro_data_base & ~0x7fff) | offset; index &= (m_copro_data->bytes() >> 2) - 1; return m_copro_data->as_u32(index); }