Write OP Total Levels to FM chip

rhargreaves · Nov 14, 2018 · 2e34ab9 · 2e34ab9
1 parent 1ea6734
commit 2e34ab9
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Showing 3 changed files with 20 additions and 1 deletion.
diff --git a/src/synth.c b/src/synth.c
@@ -87,4 +87,5 @@ void synth_algorithm(u8 channel, u8 algorithm)
 
 void synth_operatorTotalLevel(u8 channel, u8 op, u8 totalLevel)
 {
+    synth_writeFm(channel, 0x40 + (op * 4), totalLevel);
 }
diff --git a/tests/test_main.c b/tests/test_main.c
@@ -46,7 +46,8 @@ int main(void)
         cmocka_unit_test(test_psg_chip_sets_attenuation),
         cmocka_unit_test(test_psg_chip_sets_note_on_psg_with_attenuation),
         cmocka_unit_test(test_interface_sets_fm_algorithm),
-        cmocka_unit_test(test_interface_sets_operator_total_level)
+        cmocka_unit_test(test_interface_sets_operator_total_level),
+        cmocka_unit_test(test_synth_sets_operator_total_level)
     };
 
     return cmocka_run_group_tests(tests, NULL, NULL);

diff --git a/tests/test_synth.c b/tests/test_synth.c
@@ -12,6 +12,7 @@ extern void __real_synth_pitch(u8 channel, u8 octave, u16 freqNumber);
 extern void __real_synth_totalLevel(u8 channel, u8 totalLevel);
 extern void __real_synth_stereo(u8 channel, u8 stereo);
 extern void __real_synth_algorithm(u8 channel, u8 algorithm);
+extern void __real_synth_operatorTotalLevel(u8 channel, u8 op, u8 totalLevel);
 
 static void test_synth_init_sets_initial_registers(void** state)
 {
@@ -124,3 +125,19 @@ static void test_synth_sets_algorithm(void** state)
         __real_synth_algorithm(chan, algorithm);
     }
 }
+
+static void test_synth_sets_operator_total_level(void** state)
+{
+    u8 totalLevel = 50;
+    for (u8 chan = 0; chan < 6; chan++) {
+        u8 regOffset = chan % 3;
+        u8 regPart = chan < 3 ? 0 : 1;
+        for (u8 op = 0; op < 4; op++) {
+            expect_value(__wrap_YM2612_writeReg, part, regPart);
+            expect_value(__wrap_YM2612_writeReg, reg, 0x40 + regOffset + (op * 4));
+            expect_value(__wrap_YM2612_writeReg, data, totalLevel);
+
+            __real_synth_operatorTotalLevel(chan, op, totalLevel);
+        }
+    }
+}
-Original file line number
+Diff line change
@@ Expand Up / @@ -87,4 +87,5 @@ void synth_algorithm(u8 channel, u8 algorithm) @@
     void synth_operatorTotalLevel(u8 channel, u8 op, u8 totalLevel)
     {
+        synth_writeFm(channel, 0x40 + (op * 4), totalLevel);
     }