diff options
Diffstat (limited to 'source/apu_blargg.c')
| -rw-r--r-- | source/apu_blargg.c | 152 |
1 files changed, 71 insertions, 81 deletions
diff --git a/source/apu_blargg.c b/source/apu_blargg.c index d0d5879..a89a905 100644 --- a/source/apu_blargg.c +++ b/source/apu_blargg.c @@ -8,12 +8,8 @@ #include <stdlib.h> #include <limits.h> -#ifndef INLINE #ifdef PSP -#define INLINE __attribute((force_inline)) -#else -#define INLINE inline -#endif +#define inline __attribute((force_inline)) #endif #include "blargg_endian.h" @@ -40,32 +36,29 @@ details. You should have received a copy of the GNU Lesser General Public License along with this module; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -/* if ( io < -32768 ) io = -32768; */ -/* if ( io > 32767 ) io = 32767; */ -#define CLAMP16( io )\ -{\ - if ( (int16_t) io != io )\ - io = (io >> 31) ^ 0x7FFF;\ +#define CLAMP16(io) \ +{ \ + if ((int16_t) io != io) \ + io = (io >> 31) ^ 0x7FFF; \ } /* Access global DSP register */ -#define REG(n) dsp_m.regs [R_##n] +#define REG(n) dsp_m.regs [R_##n] /* Access voice DSP register */ -#define VREG(r,n) r [V_##n] +#define VREG(r,n) r [V_##n] -#define WRITE_SAMPLES( l, r, out ) \ +#define WRITE_SAMPLES(l, r, out) \ {\ - out [0] = l;\ - out [1] = r;\ - out += 2;\ - if ( out >= dsp_m.out_end )\ - {\ - out = dsp_m.extra;\ - dsp_m.out_end = &dsp_m.extra [EXTRA_SIZE];\ - }\ -}\ - + out [0] = l; \ + out [1] = r; \ + out += 2; \ + if ( out >= dsp_m.out_end ) \ + { \ + out = dsp_m.extra; \ + dsp_m.out_end = &dsp_m.extra [EXTRA_SIZE]; \ + } \ +} /* Volume registers and efb are signed! Easy to forget int8_t cast. */ /* Prefixes are to avoid accidental use of locals with same names. */ @@ -74,31 +67,31 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ static int16_t gauss [512] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, - 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, - 6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, - 11, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 17, 17, - 18, 19, 19, 20, 20, 21, 21, 22, 23, 23, 24, 24, 25, 26, 27, 27, - 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 36, 36, 37, 38, 39, 40, - 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - 58, 59, 60, 61, 62, 64, 65, 66, 67, 69, 70, 71, 73, 74, 76, 77, - 78, 80, 81, 83, 84, 86, 87, 89, 90, 92, 94, 95, 97, 99, 100, 102, - 104, 106, 107, 109, 111, 113, 115, 117, 118, 120, 122, 124, 126, 128, 130, 132, - 134, 137, 139, 141, 143, 145, 147, 150, 152, 154, 156, 159, 161, 163, 166, 168, - 171, 173, 175, 178, 180, 183, 186, 188, 191, 193, 196, 199, 201, 204, 207, 210, - 212, 215, 218, 221, 224, 227, 230, 233, 236, 239, 242, 245, 248, 251, 254, 257, - 260, 263, 267, 270, 273, 276, 280, 283, 286, 290, 293, 297, 300, 304, 307, 311, - 314, 318, 321, 325, 328, 332, 336, 339, 343, 347, 351, 354, 358, 362, 366, 370, - 374, 378, 381, 385, 389, 393, 397, 401, 405, 410, 414, 418, 422, 426, 430, 434, - 439, 443, 447, 451, 456, 460, 464, 469, 473, 477, 482, 486, 491, 495, 499, 504, - 508, 513, 517, 522, 527, 531, 536, 540, 545, 550, 554, 559, 563, 568, 573, 577, - 582, 587, 592, 596, 601, 606, 611, 615, 620, 625, 630, 635, 640, 644, 649, 654, - 659, 664, 669, 674, 678, 683, 688, 693, 698, 703, 708, 713, 718, 723, 728, 732, - 737, 742, 747, 752, 757, 762, 767, 772, 777, 782, 787, 792, 797, 802, 806, 811, - 816, 821, 826, 831, 836, 841, 846, 851, 855, 860, 865, 870, 875, 880, 884, 889, - 894, 899, 904, 908, 913, 918, 923, 927, 932, 937, 941, 946, 951, 955, 960, 965, - 969, 974, 978, 983, 988, 992, 997,1001,1005,1010,1014,1019,1023,1027,1032,1036, +0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, +2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, +6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, +11, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 17, 17, +18, 19, 19, 20, 20, 21, 21, 22, 23, 23, 24, 24, 25, 26, 27, 27, +28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 36, 36, 37, 38, 39, 40, +41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, +58, 59, 60, 61, 62, 64, 65, 66, 67, 69, 70, 71, 73, 74, 76, 77, +78, 80, 81, 83, 84, 86, 87, 89, 90, 92, 94, 95, 97, 99, 100, 102, +104, 106, 107, 109, 111, 113, 115, 117, 118, 120, 122, 124, 126, 128, 130, 132, +134, 137, 139, 141, 143, 145, 147, 150, 152, 154, 156, 159, 161, 163, 166, 168, +171, 173, 175, 178, 180, 183, 186, 188, 191, 193, 196, 199, 201, 204, 207, 210, +212, 215, 218, 221, 224, 227, 230, 233, 236, 239, 242, 245, 248, 251, 254, 257, +260, 263, 267, 270, 273, 276, 280, 283, 286, 290, 293, 297, 300, 304, 307, 311, +314, 318, 321, 325, 328, 332, 336, 339, 343, 347, 351, 354, 358, 362, 366, 370, +374, 378, 381, 385, 389, 393, 397, 401, 405, 410, 414, 418, 422, 426, 430, 434, +439, 443, 447, 451, 456, 460, 464, 469, 473, 477, 482, 486, 491, 495, 499, 504, +508, 513, 517, 522, 527, 531, 536, 540, 545, 550, 554, 559, 563, 568, 573, 577, +582, 587, 592, 596, 601, 606, 611, 615, 620, 625, 630, 635, 640, 644, 649, 654, +659, 664, 669, 674, 678, 683, 688, 693, 698, 703, 708, 713, 718, 723, 728, 732, +737, 742, 747, 752, 757, 762, 767, 772, 777, 782, 787, 792, 797, 802, 806, 811, +816, 821, 826, 831, 836, 841, 846, 851, 855, 860, 865, 870, 875, 880, 884, 889, +894, 899, 904, 908, 913, 918, 923, 927, 932, 937, 941, 946, 951, 955, 960, 965, +969, 974, 978, 983, 988, 992, 997, 1001,1005,1010,1014,1019,1023,1027,1032,1036, 1040,1045,1049,1053,1057,1061,1066,1070,1074,1078,1082,1086,1090,1094,1098,1102, 1106,1109,1113,1117,1121,1125,1128,1132,1136,1139,1143,1146,1150,1153,1157,1160, 1164,1167,1170,1174,1177,1180,1183,1186,1190,1193,1196,1199,1202,1205,1207,1210, @@ -110,7 +103,7 @@ static int16_t gauss [512] = /* Gaussian interpolation */ -static INLINE int32_t dsp_interpolate( dsp_voice_t *v ) +static inline int32_t dsp_interpolate( dsp_voice_t *v ) { int32_t offset, out, *in; int16_t *fwd, *rev; @@ -140,7 +133,7 @@ static INLINE int32_t dsp_interpolate( dsp_voice_t *v ) static uint32_t const counter_rates [32] = { SIMPLE_COUNTER_RANGE + 1, /* never fires */ - 2048, 1536, + 2048, 1536, 1280, 1024, 768, 640, 512, 384, 320, 256, 192, @@ -171,14 +164,14 @@ static uint32_t const counter_offsets [32] = }; #define RUN_COUNTERS() \ - if ( --dsp_m.counter < 0 ) \ + if (--dsp_m.counter < 0) \ dsp_m.counter = SIMPLE_COUNTER_RANGE - 1; #define READ_COUNTER(rate) (((uint32_t) dsp_m.counter + counter_offsets [rate]) % counter_rates [rate]) /* Envelope */ -static INLINE void dsp_run_envelope( dsp_voice_t* const v ) +static inline void dsp_run_envelope( dsp_voice_t* const v ) { int32_t env, rate, env_data; @@ -252,7 +245,7 @@ static INLINE void dsp_run_envelope( dsp_voice_t* const v ) /* BRR Decoding */ -static INLINE void dsp_decode_brr( dsp_voice_t* v ) +static inline void dsp_decode_brr( dsp_voice_t* v ) { int32_t nybbles, *pos, *end, header; @@ -327,7 +320,7 @@ static INLINE void dsp_decode_brr( dsp_voice_t* v ) if ( (dsp_m.every_other_sample ^= 1) != 0 ) \ dsp_m.new_kon &= ~dsp_m.kon; /* clears KON 63 clocks after it was last read */ -static INLINE void dsp_misc_30() +static inline void dsp_misc_30() { if ( dsp_m.every_other_sample ) { @@ -347,13 +340,13 @@ static INLINE void dsp_misc_30() /* Voices */ -static INLINE void dsp_voice_V1( dsp_voice_t* const v ) +static inline void dsp_voice_V1( dsp_voice_t* const v ) { dsp_m.t_dir_addr = dsp_m.t_dir * 0x100 + dsp_m.t_srcn * 4; dsp_m.t_srcn = v->regs[V_SRCN]; } -static INLINE void dsp_voice_V2( dsp_voice_t* const v ) +static inline void dsp_voice_V2( dsp_voice_t* const v ) { uint8_t *entry; @@ -369,12 +362,12 @@ static INLINE void dsp_voice_V2( dsp_voice_t* const v ) dsp_m.t_pitch = v->regs [V_PITCHL]; } -static INLINE void dsp_voice_V3a( dsp_voice_t* const v ) +static inline void dsp_voice_V3a( dsp_voice_t* const v ) { dsp_m.t_pitch += (v->regs [V_PITCHH] & 0x3F) << 8; } -static INLINE void dsp_voice_V3b( dsp_voice_t* const v ) +static inline void dsp_voice_V3b( dsp_voice_t* const v ) { dsp_m.t_brr_byte = dsp_m.ram [(v->brr_addr + v->brr_offset) & 0xffff]; dsp_m.t_brr_header = dsp_m.ram [v->brr_addr]; @@ -460,7 +453,7 @@ static void dsp_voice_V3c( dsp_voice_t* const v ) } } -static INLINE void dsp_voice_output( dsp_voice_t const* v, int32_t ch ) +static inline void dsp_voice_output( dsp_voice_t const* v, int32_t ch ) { int32_t amp; @@ -479,7 +472,7 @@ static INLINE void dsp_voice_output( dsp_voice_t const* v, int32_t ch ) } } -static INLINE void dsp_voice_V4( dsp_voice_t* const v ) +static inline void dsp_voice_V4( dsp_voice_t* const v ) { /* Decode BRR */ dsp_m.t_looped = 0; @@ -511,7 +504,7 @@ static INLINE void dsp_voice_V4( dsp_voice_t* const v ) dsp_voice_output( v, 0 ); } -static INLINE void dsp_voice_V5( dsp_voice_t* const v ) +static inline void dsp_voice_V5( dsp_voice_t* const v ) { int32_t endx_buf; /* Output right */ @@ -526,13 +519,13 @@ static INLINE void dsp_voice_V5( dsp_voice_t* const v ) dsp_m.endx_buf = (uint8_t) endx_buf; } -static INLINE void dsp_voice_V6( dsp_voice_t* const v ) +static inline void dsp_voice_V6( dsp_voice_t* const v ) { (void) v; /* avoid compiler warning about unused v */ dsp_m.outx_buf = (uint8_t) (dsp_m.t_output >> 8); } -static INLINE void dsp_voice_V7( dsp_voice_t* const v ) +static inline void dsp_voice_V7( dsp_voice_t* const v ) { /* Update ENDX */ dsp_m.regs[R_ENDX] = dsp_m.endx_buf; @@ -540,20 +533,20 @@ static INLINE void dsp_voice_V7( dsp_voice_t* const v ) dsp_m.envx_buf = v->t_envx_out; } -static INLINE void dsp_voice_V8( dsp_voice_t* const v ) +static inline void dsp_voice_V8( dsp_voice_t* const v ) { /* Update OUTX */ v->regs [V_OUTX] = dsp_m.outx_buf; } -static INLINE void dsp_voice_V9( dsp_voice_t* const v ) +static inline void dsp_voice_V9( dsp_voice_t* const v ) { v->regs [V_ENVX] = dsp_m.envx_buf; } /* Most voices do all these in one clock, so make a handy composite */ -static INLINE void dsp_voice_V3( dsp_voice_t* const v ) +static inline void dsp_voice_V3( dsp_voice_t* const v ) { dsp_voice_V3a( v ); dsp_voice_V3b( v ); @@ -606,7 +599,7 @@ static void dsp_voice_V9_V6_V3( dsp_voice_t* const v ) ECHO_FIR( 0 ) [ch] = ECHO_FIR( 8 ) [ch] = s >> 1; \ } -static INLINE void dsp_echo_22() +static inline void dsp_echo_22() { int32_t l, r; @@ -624,7 +617,7 @@ static INLINE void dsp_echo_22() dsp_m.t_echo_in [1] = r; } -static INLINE void dsp_echo_23() +static inline void dsp_echo_23() { int32_t l, r; @@ -637,7 +630,7 @@ static INLINE void dsp_echo_23() ECHO_READ(1); } -static INLINE void dsp_echo_24() +static inline void dsp_echo_24() { int32_t l, r; @@ -648,7 +641,7 @@ static INLINE void dsp_echo_24() dsp_m.t_echo_in [1] += r; } -static INLINE void dsp_echo_25() +static inline void dsp_echo_25() { int32_t l = dsp_m.t_echo_in [0] + (((dsp_m.echo_hist_pos [6 + 1]) [0] * (int8_t) dsp_m.regs [R_FIR + 6 * 0x10]) >> 6); int32_t r = dsp_m.t_echo_in [1] + (((dsp_m.echo_hist_pos [6 + 1]) [1] * (int8_t) dsp_m.regs [R_FIR + 6 * 0x10]) >> 6); @@ -674,7 +667,7 @@ static INLINE void dsp_echo_25() CLAMP16( var ); \ } -static INLINE void dsp_echo_26() +static inline void dsp_echo_26() { int32_t l, r; @@ -690,7 +683,7 @@ static INLINE void dsp_echo_26() dsp_m.t_echo_out [1] = r & ~1; } -static INLINE void dsp_echo_27() +static inline void dsp_echo_27() { int32_t l, r; int16_t *out; @@ -733,7 +726,7 @@ static INLINE void dsp_echo_27() } \ dsp_m.t_echo_out [ch] = 0; -static INLINE void dsp_echo_29() +static inline void dsp_echo_29() { dsp_m.t_esa = dsp_m.regs [R_ESA]; @@ -1253,7 +1246,7 @@ void spc_enable_rom( int32_t enable ) dsp_run( clock_count ); \ } -static INLINE void spc_dsp_write( int32_t data, int32_t time ) +static inline void spc_dsp_write( int32_t data, int32_t time ) { int32_t addr; @@ -2907,7 +2900,7 @@ static int32_t r_left[4], r_right[4]; #define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) #define SHORT_CLAMP(n) ((int16_t) CLAMP((n), -32768, 32767)) -static INLINE int32_t hermite (int32_t mu1, int32_t a, int32_t b, int32_t c, int32_t d) +static inline int32_t hermite (int32_t mu1, int32_t a, int32_t b, int32_t c, int32_t d) { int32_t mu2, mu3, m0, m1, a0, a1, a2, a3; @@ -3013,7 +3006,7 @@ static void resampler_new(int32_t num_samples) resampler_clear(); } -static INLINE bool resampler_push(int16_t *src, int32_t num_samples) +static inline bool resampler_push(int16_t *src, int32_t num_samples) { int32_t bytes, end, first_write_size; uint8_t *src_ring; @@ -3037,7 +3030,7 @@ static INLINE bool resampler_push(int16_t *src, int32_t num_samples) return true; } -static INLINE void resampler_resize (int32_t num_samples) +static inline void resampler_resize (int32_t num_samples) { free(rb_buffer); rb_buffer_size = rb_size; @@ -3439,7 +3432,4 @@ void S9xAPULoadState (const uint8_t *block) spc_remainder = GET_LE32(ptr); } -#undef INLINE -#define INLINE static inline - #endif |