diff --git a/core/libs/prx/libSceAgc/Acb/src/Control.cpp b/core/libs/prx/libSceAgc/Acb/src/Control.cpp
index 05cac65e1..4532f538b 100644
--- a/core/libs/prx/libSceAgc/Acb/src/Control.cpp
+++ b/core/libs/prx/libSceAgc/Acb/src/Control.cpp
@@ -9,6 +9,13 @@
 
 extern "C" {
 
+// unknown signature
+APS5_EXPORT("gQkqkLttcpw", sceAgcAcb_gQkqkLttcpw);
+void* APS5_VABI sceAgcAcb_gQkqkLttcpw (void) {
+    NotImplemented_nid_no_patch(__func__);
+    return nullptr;
+}
+
 std::uint32_t* APS5_VABI sceAgcAcbJump(CommandBuffer* buf, std::uint8_t cachePolicy, const std::uint32_t* target, std::uint32_t sizeInDwords) {
     (void)buf;
     (void)cachePolicy;
diff --git a/core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp b/core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp
index 633f78f4a..92ef8afc1 100644
--- a/core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp
+++ b/core/libs/prx/libSceAgc/DcbFlow/src/Control.cpp
@@ -10,6 +10,14 @@
 
 extern "C" {
 
+// unknown signature
+APS5_EXPORT("zARR5aCmkoY", sceAgcDcbA_zARR5aCmkoY);
+void* APS5_VABI sceAgcDcbA_zARR5aCmkoY(void) {
+ NotImplemented_nid_no_patch(__func__);
+ return nullptr;
+}
+
+
 uint32_t* APS5_VABI sceAgcDcbJump(CommandBuffer* buf, uint8_t mode, uint8_t cache_policy, const uint32_t* target, uint32_t size_in_dwords) {
  (void)buf;
  (void)mode;
diff --git a/core/libs/prx/libSceAgcDriver/State/src/Status.cpp b/core/libs/prx/libSceAgcDriver/State/src/Status.cpp
index 7d804b7ce..e38b28277 100644
--- a/core/libs/prx/libSceAgcDriver/State/src/Status.cpp
+++ b/core/libs/prx/libSceAgcDriver/State/src/Status.cpp
@@ -22,4 +22,20 @@ bool APS5_VABI sceAgcDriverIsSubmitValidationEnabled(void) {
  return false;
 }
 
+int APS5_VABI sceAgcDriverRequestCaptureStart(const char* path) {
+    (void)path;
+    NotImplemented_nid_no_patch(__func__);
+    return 0;
+}
+
+int APS5_VABI sceAgcDriverRequestCaptureStop() {
+    NotImplemented_nid_no_patch(__func__);
+    return 0;
+}
+
+int APS5_VABI sceAgcDriverTriggerCapture() {
+    NotImplemented_nid_no_patch(__func__);
+    return 0;
+}
+
 }
diff --git a/core/libs/prx/libSceAgcDriver/Submit/src/Dcb.cpp b/core/libs/prx/libSceAgcDriver/Submit/src/Dcb.cpp
index 725a9ac7b..6c217c0b4 100644
--- a/core/libs/prx/libSceAgcDriver/Submit/src/Dcb.cpp
+++ b/core/libs/prx/libSceAgcDriver/Submit/src/Dcb.cpp
@@ -26,4 +26,12 @@ int APS5_VABI sceAgcDriverAgrSubmitDcb(const Packet* packet) {
     return 0;
 }
 
+int APS5_VABI sceAgcDriverAgrSubmitMultiDcbs(std::uint32_t* const* dcbGpuAddrs, const std::uint32_t* dcbSizesInDwords, std::uint32_t count) {
+    (void)dcbGpuAddrs;
+    (void)dcbSizesInDwords;
+    (void)count;
+    NotImplemented_nid_no_patch(__func__);
+    return 0;
+}
+
 }