fix(templates/amd64-386, tests): fix global stereo sends and add regression test for future

the send asm code is quite ugly atm (pushf & popf to save stereo flag), but the new regression test should ensure we don't break it again if we eventually refactor it

tests/CMakeLists.txt

@@ -6,7 +6,7 @@ function(regression_test testname)
         else()
             set(source ${ARGV3}.yml)
         endif()
-        
+
         set(asmfile ${testname}.asm)
         set (headerfile ${CMAKE_CURRENT_BINARY_DIR}/${testname}.h)
 
@@ -66,7 +66,8 @@ regression_test(test_invgain LOADVAL INVGAIN)
 regression_test(test_invgain_stereo INVGAIN)
 regression_test(test_send LOADVAL SEND)
 regression_test(test_send_stereo SEND)
-regression_test(test_send_global SEND)
+regression_test(test_send_global SEND SEND_GLOBAL)
+regression_test(test_send_global_stereo SEND_GLOBAL)
 regression_test(test_receive SEND RECEIVE)
 regression_test(test_receive_stereo RECEIVE)
 regression_test(test_in LOADVAL IN)

tests/test_send_global_stereo.yml

@@ -0,0 +1,33 @@
+bpm: 100
+rowsperpattern: 16
+rowsperbeat: 4
+tracks:
+    - numvoices: 1
+      sequence: [0]
+      patterns: [[64, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0]]
+patch:
+    instruments:
+        - numvoices: 1
+          units:
+            - type: loadval
+              parameters: {stereo: 0, value: 64}
+            - type: loadval
+              parameters: {stereo: 0, value: 96}
+            - type: send
+              parameters: {amount: 128, port: 0, sendpop: 1, stereo: 1, unit: 3, voice: 2}
+            - type: receive
+              parameters: {stereo: 1}
+            - type: out
+              parameters: {gain: 128, stereo: 1}
+        - numvoices: 1
+          units:
+            - type: loadval
+              parameters: {stereo: 0, value: 0}
+            - type: loadval
+              parameters: {stereo: 0, value: 64}
+            - type: send
+              parameters: {amount: 96, port: 0, sendpop: 1, stereo: 1, unit: 3, voice: 1}
+            - type: receive
+              parameters: {stereo: 1}
+            - type: out
+              parameters: {gain: 128, stereo: 1}