src/mess/formats/svi_cas.c
| r3096 | r3097 | |
|---|
| 37 | 37 | { |
| 38 | 38 | /* write a "0" */ |
| 39 | 39 | n = !(i % 4) ? 21 : 18; |
| 40 | | while (n--) buffer[samples_pos++] = SMPLO; |
| 41 | | n = 19; while (n--) buffer[samples_pos++] = SMPHI; |
| 40 | while (n--) buffer[samples_pos++] = SMPHI; |
| 41 | n = 19; while (n--) buffer[samples_pos++] = SMPLO; |
| 42 | 42 | /* write a "1" */ |
| 43 | n = 9; while (n--) buffer[samples_pos++] = SMPHI; |
| 43 | 44 | n = 9; while (n--) buffer[samples_pos++] = SMPLO; |
| 44 | | n = 9; while (n--) buffer[samples_pos++] = SMPHI; |
| 45 | 45 | } |
| 46 | 46 | |
| 47 | 47 | /* write "0x7f" */ |
| 48 | 48 | /* write a "0" */ |
| 49 | | n = 21; while (n--) buffer[samples_pos++] = SMPLO; |
| 50 | | n = 19; while (n--) buffer[samples_pos++] = SMPHI; |
| 49 | n = 21; while (n--) buffer[samples_pos++] = SMPHI; |
| 50 | n = 19; while (n--) buffer[samples_pos++] = SMPLO; |
| 51 | 51 | |
| 52 | 52 | for (i=0;i<7;i++) |
| 53 | 53 | { |
| 54 | 54 | /* write a "1" */ |
| 55 | n = 9; while (n--) buffer[samples_pos++] = SMPHI; |
| 55 | 56 | n = 9; while (n--) buffer[samples_pos++] = SMPLO; |
| 56 | | n = 9; while (n--) buffer[samples_pos++] = SMPHI; |
| 57 | 57 | } |
| 58 | 58 | |
| 59 | 59 | while (samples_pos < sample_count && cas_pos < cas_size) |
| 60 | 60 | { |
| 61 | | n = 21; while (n--) buffer[samples_pos++] = SMPLO; |
| 62 | | n = 19; while (n--) buffer[samples_pos++] = SMPHI; |
| 61 | n = 21; while (n--) buffer[samples_pos++] = SMPHI; |
| 62 | n = 19; while (n--) buffer[samples_pos++] = SMPLO; |
| 63 | 63 | |
| 64 | 64 | for (i=0;i<8;i++) |
| 65 | 65 | { |
| r3096 | r3097 | |
|---|
| 69 | 69 | if (bit) |
| 70 | 70 | { |
| 71 | 71 | /* write a "1" */ |
| 72 | n = 9; while (n--) buffer[samples_pos++] = SMPHI; |
| 72 | 73 | n = 9; while (n--) buffer[samples_pos++] = SMPLO; |
| 73 | | n = 9; while (n--) buffer[samples_pos++] = SMPHI; |
| 74 | 74 | } |
| 75 | 75 | else |
| 76 | 76 | { |
| 77 | 77 | /* write a "0" */ |
| 78 | | n = 18; while (n--) buffer[samples_pos++] = SMPLO; |
| 79 | | n = 19; while (n--) buffer[samples_pos++] = SMPHI; |
| 78 | n = 18; while (n--) buffer[samples_pos++] = SMPHI; |
| 79 | n = 19; while (n--) buffer[samples_pos++] = SMPLO; |
| 80 | 80 | } |
| 81 | 81 | } |
| 82 | 82 | |