diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mame/includes/model1.h | 2 | ||||
-rw-r--r-- | src/mame/machine/model1.cpp | 30 |
2 files changed, 16 insertions, 16 deletions
diff --git a/src/mame/includes/model1.h b/src/mame/includes/model1.h index caf9ed1f690..1881dc54428 100644 --- a/src/mame/includes/model1.h +++ b/src/mame/includes/model1.h @@ -216,7 +216,7 @@ public: DECLARE_TGP_FUNCTION( f43_swa ); DECLARE_TGP_FUNCTION( track_read_tri ); DECLARE_TGP_FUNCTION( matrix_sdir ); - DECLARE_TGP_FUNCTION( inverse ); + DECLARE_TGP_FUNCTION( fsqrt ); DECLARE_TGP_FUNCTION( vlength ); DECLARE_TGP_FUNCTION( f47 ); DECLARE_TGP_FUNCTION( track_read_info ); diff --git a/src/mame/machine/model1.cpp b/src/mame/machine/model1.cpp index 6ffe5ffd6a8..f6136cde723 100644 --- a/src/mame/machine/model1.cpp +++ b/src/mame/machine/model1.cpp @@ -677,8 +677,8 @@ TGP_FUNCTION( model1_state::xyz2rqf ) float c = fifoin_pop_f(); float norm; logerror("TGP xyz2rqf %f, %f, %f (%x)\n", a, b, c, m_pushpc); - fifoout_push_f((a*a+b*b+c*c)/sqrtf(a*a+b*b+c*c)); - norm = sqrt(a*a+c*c); + fifoout_push_f(sqrtf(a*a+b*b+c*c)); + norm = sqrtf(a*a+c*c); if(!c) { if(a>=0) fifoout_push(0); @@ -762,7 +762,7 @@ TGP_FUNCTION( model1_state::matrix_sdir ) float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); - float norm = sqrt(a*a+b*b+c*c); + 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); @@ -778,7 +778,7 @@ TGP_FUNCTION( model1_state::matrix_sdir ) t[1] = b / norm; t[2] = a / norm; - norm = sqrt(a*a+c*c); + norm = sqrtf(a*a+c*c); t[6] = a/norm; t[7] = 0; t[8] = c/norm; @@ -786,7 +786,7 @@ TGP_FUNCTION( model1_state::matrix_sdir ) t[3] = -b*c; t[4] = a*a+c*c; t[5] = -b*a; - norm = sqrt(t[3]*t[3]+t[4]*t[4]+t[5]*t[5]); + norm = sqrtf(t[3]*t[3]+t[4]*t[4]+t[5]*t[5]); t[3] /= norm; t[4] /= norm; t[5] /= norm; @@ -807,11 +807,11 @@ TGP_FUNCTION( model1_state::matrix_sdir ) next_fn(); } -TGP_FUNCTION( model1_state::inverse ) +TGP_FUNCTION( model1_state::fsqrt ) { float a = fifoin_pop_f(); - logerror("TGP f45 %f (%x)\n", a, m_pushpc); - fifoout_push_f(1/a); + logerror("TGP fsqrt %f (%x)\n", a, m_pushpc); + fifoout_push_f(sqrtf(a)); next_fn(); } @@ -825,7 +825,7 @@ TGP_FUNCTION( model1_state::vlength ) x -= m_tgp_vr_base[0]; y -= m_tgp_vr_base[1]; z -= m_tgp_vr_base[2]; - fifoout_push_f(sqrt(x*x + y*y + z*z) - m_tgp_vr_base[3]); + fifoout_push_f(sqrtf(x*x + y*y + z*z) - m_tgp_vr_base[3]); next_fn(); } @@ -943,7 +943,7 @@ TGP_FUNCTION( model1_state::matrix_rdir ) float a = fifoin_pop_f(); float b = fifoin_pop_f(); float c = fifoin_pop_f(); - float norm = sqrt(a*a+c*c); + float norm = sqrtf(a*a+c*c); float t1, t2; (void)b; @@ -1121,7 +1121,7 @@ TGP_FUNCTION( model1_state::col_testpt ) 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(((x*x+y*y)/sqrtf(x*x+y*y)) - m_tgp_vr_circrad); + fifoout_push_f(sqrtf(x*x+y*y) - m_tgp_vr_circrad); next_fn(); } @@ -1182,7 +1182,7 @@ TGP_FUNCTION( model1_state::distance ) logerror("TGP distance (%f, %f), (%f, %f) (%x)\n", a, b, c, d, m_pushpc); c -= a; d -= b; - fifoout_push_f((c*c+d*d)/sqrtf(c*c+d*d)); + fifoout_push_f(sqrtf(c*c+d*d)); next_fn(); } @@ -1245,7 +1245,7 @@ TGP_FUNCTION( model1_state::cpa ) 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(sqrt(dv2)); + fifoout_push_f(sqrtf(dv2)); next_fn(); } @@ -1642,7 +1642,7 @@ const struct model1_state::function model1_state::ftab_vf[] = { { &model1_state::f42, 3 }, // 329 { &model1_state::f43, 6 }, // 36c { &model1_state::track_read_tri, 1 }, // 3c2 - { &model1_state::inverse, 1 }, // 3c7 + { &model1_state::fsqrt, 1 }, // 3c7 { &model1_state::vlength, 3 }, // 3cf { nullptr, 0 }, // 3ef @@ -1758,7 +1758,7 @@ const struct model1_state::function model1_state::ftab_swa[] = { { &model1_state::xyz2rqf, 3 }, { &model1_state::f43_swa, 3 }, { &model1_state::matrix_sdir, 3 }, - { &model1_state::inverse, 1 }, + { &model1_state::fsqrt, 1 }, { &model1_state::vlength, 3 }, { &model1_state::f47, 3 }, |