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comparison psg.c @ 2246:0e927fce8941

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Fix bug in PSG oscilloscope output
author Michael Pavone <pavone@retrodev.com>
date Thu, 24 Nov 2022 00:43:10 -0800
parents 0d1d5dccdd28
children 74112041b2c7
comparison
equal deleted inserted replaced
2245:d220305e81b9 2246:0e927fce8941
129 } 129 }
130 130
131 int16_t left_accum = 0, right_accum = 0; 131 int16_t left_accum = 0, right_accum = 0;
132 uint8_t pan_left = 0x10, pan_right = 0x1; 132 uint8_t pan_left = 0x10, pan_right = 0x1;
133 133
134 int16_t value = 0; 134 int16_t value;
135 for (int i = 0; i < 3; i++) { 135 for (int i = 0; i < 3; i++) {
136 if (context->output_state[i]) { 136 if (context->output_state[i]) {
137 value = volume_table[context->volume[i]]; 137 value = volume_table[context->volume[i]];
138 if (context->pan & pan_left) { 138 if (context->pan & pan_left) {
139 left_accum += value; 139 left_accum += value;
141 if (context->pan & pan_right) { 141 if (context->pan & pan_right) {
142 right_accum += value; 142 right_accum += value;
143 } 143 }
144 pan_left <<= 1; 144 pan_left <<= 1;
145 pan_right <<= 1; 145 pan_right <<= 1;
146 } else {
147 value = 0;
146 } 148 }
147 if (context->scope) { 149 if (context->scope) {
148 scope_add_sample(context->scope, context->scope_channel[i], value, trigger[i]); 150 scope_add_sample(context->scope, context->scope_channel[i], value, trigger[i]);
149 } 151 }
150 } 152 }