diff --git a/decompiler/config/all-types.gc b/decompiler/config/all-types.gc
index 11183a4478..4812357907 100644
--- a/decompiler/config/all-types.gc
+++ b/decompiler/config/all-types.gc
@@ -3477,7 +3477,7 @@
 
 ;; - Functions
 
-(define-extern dma-buffer-add-buckets (function dma-buffer int none))
+(define-extern dma-buffer-add-buckets (function dma-buffer int dma-bucket))
 (define-extern dma-buffer-patch-buckets (function dma-bucket int dma-bucket))
 (define-extern dma-bucket-insert-tag (function dma-bucket bucket-id pointer (pointer dma-tag) pointer))
 
diff --git a/decompiler/config/jak1_ntsc_black_label/label_types.jsonc b/decompiler/config/jak1_ntsc_black_label/label_types.jsonc
index af309befff..7a961a5d5e 100644
--- a/decompiler/config/jak1_ntsc_black_label/label_types.jsonc
+++ b/decompiler/config/jak1_ntsc_black_label/label_types.jsonc
@@ -96,7 +96,8 @@
 
   "font": [
     ["L95", "(inline-array vector)", true, 250],
-    ["L94", "(inline-array vector)", true, 289]
+    ["L94", "(inline-array vector)", true, 289],
+    ["L96", "float", true]
   ],
 
   "display": [
@@ -596,9 +597,12 @@
     ["L317", "uint64", true],
     ["L316", "uint64", true],
     ["L320", "uint64", true],
+    ["L310", "uint64", true],
     ["L314", "uint64", true],
     ["L313", "uint64", true],
-    ["L315", "uint64", true]
+    ["L315", "uint64", true],
+    ["L318", "uint64", true],
+    ["L319", "uint64", true]
   ],
 
   "geometry": [
diff --git a/decompiler/config/jak1_ntsc_black_label/stack_structures.jsonc b/decompiler/config/jak1_ntsc_black_label/stack_structures.jsonc
index 7f17190e8e..9e2078715d 100644
--- a/decompiler/config/jak1_ntsc_black_label/stack_structures.jsonc
+++ b/decompiler/config/jak1_ntsc_black_label/stack_structures.jsonc
@@ -828,6 +828,10 @@
   "print-game-text": [
     [16, "font-context"]
   ],
+
+  "draw-string-xy": [
+    [16, "font-context"]
+  ],  
   
   "placeholder-do-not-add-below!": []
 }
diff --git a/decompiler/config/jak1_ntsc_black_label/type_casts.jsonc b/decompiler/config/jak1_ntsc_black_label/type_casts.jsonc
index e70578fe2f..cacc4adf2d 100644
--- a/decompiler/config/jak1_ntsc_black_label/type_casts.jsonc
+++ b/decompiler/config/jak1_ntsc_black_label/type_casts.jsonc
@@ -432,7 +432,39 @@
 
   "display-loop": [
     [152, "v1", "(pointer int32)"],
-    [157, "a0", "(pointer process-drawable)"]
+    [157, "a0", "(pointer process-drawable)"],
+    [[477, 481], "a0", "dma-packet"],
+    [[487, 490], "a0", "gs-gif-tag"],
+
+    [497, "a0", "(pointer gs-reg64)"],
+    [495, "a0", "(pointer gs-alpha)"],
+
+    [501, "a0", "(pointer gs-reg64)"],
+    [499, "a0", "(pointer gs-zbuf)"],
+
+    [505, "a0", "(pointer gs-reg64)"],
+    [503, "a0", "(pointer gs-test)"],
+
+    [508, "a0", "(pointer gs-reg64)"],
+    [506, "a0", "(pointer uint64)"], // pabe
+
+    [512, "a0", "(pointer gs-reg64)"],
+    [510, "a0", "(pointer gs-clamp)"],
+
+    [516, "a0", "(pointer gs-reg64)"],
+    [514, "a0", "(pointer gs-tex1)"],
+
+    [521, "a0", "(pointer gs-reg64)"],
+    [519, "a0", "(pointer gs-texa)"],
+
+    [525, "a0", "(pointer gs-reg64)"],
+    [523, "a0", "(pointer gs-texclut)"],
+
+    [529, "a0", "(pointer gs-reg64)"],
+    [527, "a0", "(pointer gs-fogcol)"],
+
+    [[588, 591], "v1", "dma-packet"],
+    [[672, 675], "v1", "dma-packet"]
   ],
 
   "load-game-text-info": [[4, "v1", "game-text-info"]],
diff --git a/decompiler/config/jak1_ntsc_black_label/var_names.jsonc b/decompiler/config/jak1_ntsc_black_label/var_names.jsonc
index b583614271..f04901b797 100644
--- a/decompiler/config/jak1_ntsc_black_label/var_names.jsonc
+++ b/decompiler/config/jak1_ntsc_black_label/var_names.jsonc
@@ -1385,7 +1385,11 @@
   },
 
   "display-loop": {
-    "vars": {}
+    "vars": {
+      "s3-0":"debug-buf",
+      "gp-0":"disp",
+      "s5-2":"debug-txt-buf"
+    }
   },
 
   "adgif-shader-login": {
diff --git a/game/CMakeLists.txt b/game/CMakeLists.txt
index 17e31fc7d3..32cead00de 100644
--- a/game/CMakeLists.txt
+++ b/game/CMakeLists.txt
@@ -73,6 +73,7 @@ set(RUNTIME_SOURCE
         overlord/stream.cpp
         graphics/gfx.cpp
         graphics/display.cpp
+        graphics/sceGraphicsInterface.cpp
         system/vm/dmac.cpp
         system/vm/vm.cpp)
 
diff --git a/game/graphics/gfx.cpp b/game/graphics/gfx.cpp
index 4ddcb20a3e..a1ee6c1bec 100644
--- a/game/graphics/gfx.cpp
+++ b/game/graphics/gfx.cpp
@@ -5,6 +5,9 @@
 
 #include "gfx.h"
 #include <functional>
+#include <memory>
+#include <mutex>
+#include <condition_variable>
 #include "common/log/log.h"
 #include "game/runtime.h"
 #include "display.h"
@@ -13,6 +16,16 @@
 
 namespace Gfx {
 
+struct GraphicsData {
+  std::mutex sync_mutex;
+  std::condition_variable sync_cv;
+  u64 frame_idx = 0;
+};
+
+std::unique_ptr<GraphicsData> g_gfx_data;
+
+bool g_is_initialized = false;
+
 void GlfwErrorCallback(int err, const char* msg) {
   lg::error("GLFW ERR {}: " + std::string(msg), err);
 }
@@ -33,6 +46,8 @@ u32 Init() {
     Display::InitDisplay(640, 480, "testy", Display::display);
   }
 
+  g_gfx_data = std::make_unique<GraphicsData>();
+  g_is_initialized = true;
   return 0;
 }
 
@@ -48,6 +63,13 @@ void Loop(std::function<bool()> f) {
 
       glfwSwapBuffers(Display::display);
 
+      // toggle even odd and wake up anybody waiting on vsync.
+      {
+        std::unique_lock<std::mutex> lock(g_gfx_data->sync_mutex);
+        g_gfx_data->frame_idx++;
+        g_gfx_data->sync_cv.notify_all();
+      }
+
       // poll events TODO integrate input with cpad
       glfwPollEvents();
 
@@ -61,6 +83,8 @@ void Loop(std::function<bool()> f) {
 }
 
 u32 Exit() {
+  g_is_initialized = false;
+  g_gfx_data.reset();
   lg::debug("gfx exit");
   Display::KillDisplay(Display::display);
   glfwTerminate();
@@ -68,4 +92,23 @@ u32 Exit() {
   return 0;
 }
 
+bool is_initialized() {
+  return g_is_initialized;
+}
+
+/*!
+ * Wait for the next vsync. Returns 0 or 1 depending on if frame is even or odd.
+ */
+u32 vsync() {
+  if (!g_gfx_data) {
+    return 0;
+  }
+
+  std::unique_lock<std::mutex> lock(g_gfx_data->sync_mutex);
+  auto init_frame = g_gfx_data->frame_idx;
+  g_gfx_data->sync_cv.wait(lock, [=] { return g_gfx_data->frame_idx > init_frame; });
+
+  return g_gfx_data->frame_idx & 1;
+}
+
 }  // namespace Gfx
diff --git a/game/graphics/gfx.h b/game/graphics/gfx.h
index abc1171fee..639f2a6af6 100644
--- a/game/graphics/gfx.h
+++ b/game/graphics/gfx.h
@@ -19,6 +19,10 @@ u32 Init();
 void Loop(std::function<bool()> f);
 u32 Exit();
 
+u32 vsync();
+void wait_for_render_completion();
+bool is_initialized();
+
 }  // namespace Gfx
 
 #endif  // RUNTIME_GFX_H
diff --git a/game/graphics/sceGraphicsInterface.cpp b/game/graphics/sceGraphicsInterface.cpp
new file mode 100644
index 0000000000..2c6180c607
--- /dev/null
+++ b/game/graphics/sceGraphicsInterface.cpp
@@ -0,0 +1,33 @@
+#include "game/graphics/sceGraphicsInterface.h"
+#include "common/util/assert.h"
+#include "game/graphics/gfx.h"
+
+#include <cstdio>
+
+/*!
+ * Wait for rendering to complete.
+ * In the PC Port, this currently does nothing.
+ *
+ * From my current understanding, we can get away with this and just sync everything on vsync.
+ * However, there are two calls to this per frame.
+ *
+ * But I don't fully understand why they call sceGsSyncPath where they do (right before depth cue)
+ * so maybe the depth cue looks at the z-buffer of the last rendered frame when setting up the dma
+ * for the next frame?  The debug drawing also happens after this.
+ *
+ * The second call is right before swapping buffers/vsync, so that makes sense.
+ *
+ *
+ */
+u32 sceGsSyncPath(u32 mode, u32 timeout) {
+  assert(mode == 0 && timeout == 0);
+  return 0;
+}
+
+/*!
+ * Actual vsync.
+ */
+u32 sceGsSyncV(u32 mode) {
+  assert(mode == 0);
+  return Gfx::vsync();
+}
diff --git a/game/graphics/sceGraphicsInterface.h b/game/graphics/sceGraphicsInterface.h
new file mode 100644
index 0000000000..fe3cacf90c
--- /dev/null
+++ b/game/graphics/sceGraphicsInterface.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "common/common_types.h"
+#include "common/util/assert.h"
+
+/*!
+ * @file sceGraphicInterface.h
+ * This file contains implementations of the SCE graphics library functions that manage
+ * synchronization and settings.
+ */
+
+u32 sceGsSyncPath(u32 mode, u32 timeout);
+u32 sceGsSyncV(u32 mode);
\ No newline at end of file
diff --git a/game/kernel/kboot.cpp b/game/kernel/kboot.cpp
index 0399b89aaa..3234a87775 100644
--- a/game/kernel/kboot.cpp
+++ b/game/kernel/kboot.cpp
@@ -170,7 +170,7 @@ void KernelCheckAndDispatch() {
     }
 
     auto time_ms = kernel_dispatch_timer.getMs();
-    if (time_ms > 3) {
+    if (time_ms > 30) {
       printf("Kernel dispatch time: %.3f ms\n", time_ms);
     }
 
diff --git a/game/kernel/kmachine.cpp b/game/kernel/kmachine.cpp
index ec4f172c31..9944d3d7f9 100644
--- a/game/kernel/kmachine.cpp
+++ b/game/kernel/kmachine.cpp
@@ -30,6 +30,7 @@
 #include "common/symbols.h"
 #include "common/log/log.h"
 #include "common/util/Timer.h"
+#include "game/graphics/sceGraphicsInterface.h"
 
 #include "game/system/vm/vm.h"
 using namespace ee;
@@ -417,7 +418,12 @@ u64 CPadOpen(u64 cpad_info, s32 pad_number) {
 
 // TODO CPadGetData
 void CPadGetData() {
-  assert(false);
+  static bool warned = false;
+  if (!warned) {
+    lg::warn("ignoring calls to CPadGetData");
+    warned = true;
+  }
+
 }
 
 // TODO InstallHandler
@@ -429,6 +435,10 @@ void InstallDebugHandler() {
   assert(false);
 }
 
+void send_gfx_dma_chain(u32 bank, u32 chain) {
+
+}
+
 /*!
  * Open a file-stream.  Name is a GOAL string. Mode is a GOAL symbol.  Use 'read for readonly
  * and anything else for write only.
@@ -565,7 +575,7 @@ void DecodeTime() {
 
 // TODO PutDisplayEnv
 void PutDisplayEnv() {
-  assert(false);
+  //assert(false);
 }
 
 /*!
@@ -587,6 +597,7 @@ void InitMachine_PCPort() {
   // PC Port added functions
   make_function_symbol_from_c("__read-ee-timer", (void*)read_ee_timer);
   make_function_symbol_from_c("__mem-move", (void*)c_memmove);
+  make_function_symbol_from_c("__send-gfx-dma-chain", (void*)send_gfx_dma_chain);
 }
 
 /*!
@@ -598,7 +609,7 @@ void InitMachine_PCPort() {
  */
 void InitMachineScheme() {
   make_function_symbol_from_c("put-display-env", (void*)PutDisplayEnv);       // used in drawable
-  make_function_symbol_from_c("syncv", (void*)ee::sceGsSyncV);                // used in drawable
+  make_function_symbol_from_c("syncv", (void*)sceGsSyncV);                   // used in drawable
   make_function_symbol_from_c("sync-path", (void*)sceGsSyncPath);             // used
   make_function_symbol_from_c("reset-path", (void*)sceGsResetPath);           // used in dma
   make_function_symbol_from_c("reset-graph", (void*)sceGsResetGraph);         // used
diff --git a/game/sce/stubs.cpp b/game/sce/stubs.cpp
index efd82b25b7..046f07eec2 100644
--- a/game/sce/stubs.cpp
+++ b/game/sce/stubs.cpp
@@ -4,13 +4,7 @@
 
 namespace ee {
 
-void sceGsSyncV() {
-  assert(false);
-}
 
-void sceGsSyncPath() {
-  assert(false);
-}
 
 void sceGsResetGraph() {
   assert(false);
diff --git a/game/sce/stubs.h b/game/sce/stubs.h
index e07de52d95..1b902657f6 100644
--- a/game/sce/stubs.h
+++ b/game/sce/stubs.h
@@ -3,8 +3,6 @@
 #include "common/common_types.h"
 
 namespace ee {
-void sceGsSyncV();
-void sceGsSyncPath();
 void sceGsPutIMR();
 void sceGsGetIMR();
 void sceGsExecStoreImage();
diff --git a/goal_src/engine/dma/dma-bucket.gc b/goal_src/engine/dma/dma-bucket.gc
index 5bb55edc85..651dc76dce 100644
--- a/goal_src/engine/dma/dma-bucket.gc
+++ b/goal_src/engine/dma/dma-bucket.gc
@@ -32,7 +32,10 @@
 
 (defun dma-buffer-add-buckets ((dma-buf dma-buffer) (count int))
   "Add count buckets. Each bucket is initialized as empty and won't transfer anything."
-  (let ((current-bucket (the-as dma-bucket (-> dma-buf base))))
+  (let* ((initial-bucket (the-as dma-bucket (-> dma-buf base)))
+         (current-bucket initial-bucket))
+    
+  ;;(let ((current-bucket (the-as dma-bucket (-> dma-buf base))))
     (dotimes (i count)
       ;; set the DMA tag to next, with a qwc of zero.
       ;; the address is set to the next bucket.
@@ -51,8 +54,8 @@
       )
     ;; update base ptr of dma-buffer to point after the buckets.
     (set! (-> dma-buf base) (the-as pointer current-bucket))
+    initial-bucket
     )
-  (none)
   )
 
 
@@ -74,7 +77,6 @@
 
 (defun dma-bucket-insert-tag ((base dma-bucket) (idx bucket-id) (tag-start pointer) (tag-end (pointer dma-tag)))
   "Add a dma chain to the idx bucket"
-
   ;; find the bucket
   (let ((bucket (the-as dma-bucket (&+ base (the-as uint (shl idx 4))))))
     ;; update our last bucket to point to this one.
diff --git a/goal_src/engine/dma/dma.gc b/goal_src/engine/dma/dma.gc
index 167f299f0f..ac0fbea082 100644
--- a/goal_src/engine/dma/dma.gc
+++ b/goal_src/engine/dma/dma.gc
@@ -89,9 +89,9 @@
 
 (defun dma-send-chain ((arg0 dma-bank-source) (tadr uint))
   "Send DMA! tadr should be a tag address, possibly in spad ram.
-   This is useful for sending to VIF.
-   Tag transfer is enabled, and DIR is set so a VIF1 transfer
-   goes from tadr -> VIF."
+       This is useful for sending to VIF.
+       Tag transfer is enabled, and DIR is set so a VIF1 transfer
+       goes from tadr -> VIF."
   (dma-sync (the-as pointer arg0) 0 0)
   (flush-cache 0)
   (.sync.l)
@@ -102,15 +102,16 @@
   ;;(set! (-> arg0 chcr) 325)
   (set! (-> arg0 chcr)
         (new 'static 'dma-chcr
-             :dir 1 ;; from memory
-             :mod 1 ;; source chain
-             :tte 1 ;; send tags
-             :str 1) ;; go!
+             :dir 1      ;; from memory
+             :mod 1      ;; source chain
+             :tte 1      ;; send tags
+             :str 1)     ;; go!
         )
   (.sync.l)
   (none)
   )
 
+
 (defun dma-send-chain-no-tte ((arg0 dma-bank-source) (arg1 uint))
   "Send DMA chain! TTE bit is not set, don't transfer tags.
    This is never used."
diff --git a/goal_src/engine/draw/drawable.gc b/goal_src/engine/draw/drawable.gc
index 0bf12ed0f7..f5439b46be 100644
--- a/goal_src/engine/draw/drawable.gc
+++ b/goal_src/engine/draw/drawable.gc
@@ -78,6 +78,7 @@
   "Set up a new frame. Call this before drawing anything.
    new-frame-idx is the display frame that will be set up.
    odd-even is the odd-even of the new frame"
+   
 
   ;; due to a HW bug in the PS2, you must set this.
   ;;(set! (-> (the-as vif-bank #x10003c00) err me0) 1)
@@ -87,12 +88,34 @@
   ;; due to vsync, we should never go too fast.
   (let ((time-ratio (the float
                          (+ (/ (timer-count (the-as timer-bank #x10000800)) (the-as uint *ticks-per-frame*))
-                            1
+                            1 ;; so we round up.
                             )
                          )
+
           )
         )
 
+    (let ((float-time-ratio (/ (the float (timer-count (the-as timer-bank #x10000800))) (the float *ticks-per-frame*))))
+      ;; on the PS2, if you have > 1/60 seconds between frames, it means you missed a vsync.
+      ;; this doesn't seem to be the case on my machine. It appears that glfwSwapBuffers sometimes returns ~1 ms early,
+      ;; making the next frame ~1 ms too long.
+
+      ;; to work around with, we internally run the game at 60 fps if it appears to be slightly too slow.
+      ;; if we actually do miss a frame, the time ratio will be around 2.
+
+      (#when PC_PORT
+        (if (< float-time-ratio 1.3)
+            (set! time-ratio 1.0)
+            )
+        #|
+        (if (> time-ratio 1.)
+            (format #t "LAG ~f frames~%" (- time-ratio 1.))
+            )
+        |#
+        )
+      )
+
+
     ;; inform display system of our speed. This will adjust the scaling used in all physics calculations
     (set-time-ratios *display* time-ratio)
 
@@ -373,6 +396,15 @@
   0
   )
 
+(define *surrogate-dma-buffer* (the dma-buffer #f))
+
+(defmacro cpu-usage ()
+  "print out the cpu usage of the most recently rendered frame"
+  `(format #t "CPU: ~,,2f%~%frame-time: ~,,1fms~%"
+           (* 100. (/ (the float (current-display-frame run-time)) *ticks-per-frame*))
+           (* 1000. (/ 1. 60.) (/ (the float (current-display-frame run-time)) *ticks-per-frame*))
+           )
+  )
 
 (defun display-sync ((disp display))
   "Switch frames! This assumes that you have called display-frame-finish on the current frame.
@@ -427,7 +459,8 @@
     ;; begin rendering the next frame
     (let ((dma-buf-to-send (-> disp frames frame-idx frame calc-buf)))
       (if (nonzero? (dma-buffer-length dma-buf-to-send))
-          (dma-buffer-send-chain (the-as dma-bank-source #x10009000)
+          ;; was dma-send-chain originally.
+          (__send-gfx-dma-chain (the-as dma-bank-source #x10009000)
                                  (cond
                                    ;; some buffer for debugging, not used
                                    (*surrogate-dma-buffer*
diff --git a/goal_src/engine/game/main-h.gc b/goal_src/engine/game/main-h.gc
index 8a17960817..c245449480 100644
--- a/goal_src/engine/game/main-h.gc
+++ b/goal_src/engine/game/main-h.gc
@@ -138,3 +138,4 @@
 (define-extern set-master-mode (function symbol none))
 
 (define-extern paused? (function symbol))
+(define-extern toggle-pause (function int))
\ No newline at end of file
diff --git a/goal_src/engine/game/main.gc b/goal_src/engine/game/main.gc
index 7233659647..620ae43c38 100644
--- a/goal_src/engine/game/main.gc
+++ b/goal_src/engine/game/main.gc
@@ -135,7 +135,7 @@
                    (-> *setting-control* default process-mask)
                    )
            )
-     (sound-group-continue (the-as uint 255))
+     ;; (sound-group-continue (the-as uint 255)) TODO (we need to flush sound commands)
      ;;(hide-progress-screen) TODO
      )
     )
@@ -944,6 +944,10 @@
   )
 
 
+(defmacro dloop-dbg (str &rest args)
+  `(format 0 ,(string-append "[display-loop] " str) ,@args)
+  )
+
 (defun display-loop ()
   "This is in progress..."
 
@@ -957,8 +961,10 @@
     (set! *teleport* #t)
     (update-per-frame-settings! *setting-control*)
     ;;(init-time-of-day-context *time-of-day-context*) TODO
-    ;;(display-sync disp)
-    ;; (swap-display disp)
+    (format 0 "DISPLAY LOOP calling sync~%")
+    (display-sync disp)
+    (format 0 "first call to sync done~%")
+    (swap-display disp)
     ;; touching list
     ;; bler init
     ;; collide dma
@@ -977,24 +983,278 @@
       ;; update-camera
       ;; draw hook
       ;; menu hook
-      ;; update-current-level-availabe-to-progress
+      (add-ee-profile-frame 'draw :g #x40)
+       
+      ;; make-current-level-availabe-to-progress
       ;; update-task-hitns
-      ;; load-level-textu-files
       (load-level-text-files -1)
-      ;; sync/timeout
+
+      (add-ee-profile-frame 'unknown-cpu-time)
+      ;; collect perf stats
+      (read! (-> *perf-stats* data (perf-stat-bucket all-code)))
+
+      (when (nonzero? (sync-path 0 0))
+        (*dma-timeout-hook*)
+        (reset-vif1-path)
+        (if *debug-segment*
+            (format
+             0
+             "profile bar at ~D.~%"
+             (->
+              *display*
+              frames
+              (-> *display* on-screen)
+              frame
+              profile-bar
+              1
+              profile-frame-count
+              )
+             )
+            )
+        )
+      (reset! (-> *perf-stats* data (perf-stat-bucket all-code)))
 
       ;; depth cue
       ;; screen filter
-      ;; letterbox
-      ;; blackout
-      ;; debug draw
-      ;; deci count
-      ;; file info
-      ;; pause text
-      ;; iop info
-      ;; mc info
-      ;; dma memory usage
+
+      ;; run letterbox if needed
+      (when (or (movie?)
+                (< (the-as int (-> *display* base-frame-counter))
+                   (the-as int (-> *game-info* letterbox-time))
+                   )
+                )
+        (if (< (the-as int (-> *game-info* letterbox-time))
+               (the-as int (-> *display* base-frame-counter))
+               )
+            (set! (-> *game-info* letterbox-time) (-> *display* base-frame-counter))
+            )
+        (if (= (-> *setting-control* current aspect-ratio) 'aspect4x3)
+            (letterbox)
+            )
+        )
+
+      ;; do blackout if needed.
+      (if (< (the-as int (-> *display* base-frame-counter))
+             (the-as int (-> *game-info* blackout-time))
+             )
+          (set! (-> *setting-control* default bg-a-force) 1.0)
+          (set! (-> *setting-control* default bg-a-force) 0.0)
+          )
+      (read! (-> *perf-stats* data (perf-stat-bucket all-code)))
+
+      ;; grab a buffer for drawing debug stuff.
+      ;; we might draw even outside of debug mode if cheat-mode is disabled.
+      (let ((debug-txt-buf
+             (-> (if *debug-segment*
+                     (-> disp frames (-> disp on-screen) frame debug-buf)
+                     (-> disp frames (-> disp on-screen) frame global-buf)
+                     )
+                 base
+                 )
+              )
+            )
+
+        ;; debug drawing
+        (when *debug-segment*
+          (debug-draw-buffers) ;; lines/text
+
+          ;; debug dma
+          (let* ((debug-buf (-> disp frames (-> disp on-screen) frame debug-buf))
+                 (s4-3 (-> debug-buf base))
+                 )
+            (when *display-profile*
+              (let* ((v1-172 debug-buf)
+                     (a0-77 (the-as object (-> v1-172 base)))
+                     )
+                (set! (-> (the-as dma-packet a0-77) dma) (new 'static 'dma-tag :qwc #xa :id (dma-tag-id cnt)))
+                (set! (-> (the-as dma-packet a0-77) vif0) (new 'static 'vif-tag))
+                (set! (-> (the-as dma-packet a0-77) vif1) (new 'static 'vif-tag :imm #xa :cmd (vif-cmd direct) :msk #x1))
+                (set! (-> v1-172 base) (&+ (the-as pointer a0-77) 16))
+                )
+              (let* ((v1-173 debug-buf)
+                     (a0-79 (the-as object (-> v1-173 base)))
+                     )
+                (set! (-> (the-as gs-gif-tag a0-79) tag) (new 'static 'gif-tag64 :nloop #x1 :eop #x1 :nreg #x9))
+                (set! (-> (the-as gs-gif-tag a0-79) regs)
+                 (new 'static 'gif-tag-regs
+                      :regs0 (gif-reg-id a+d)
+                      :regs1 (gif-reg-id a+d)
+                      :regs2 (gif-reg-id a+d)
+                      :regs3 (gif-reg-id a+d)
+                      :regs4 (gif-reg-id a+d)
+                      :regs5 (gif-reg-id a+d)
+                      :regs6 (gif-reg-id a+d)
+                      :regs7 (gif-reg-id a+d)
+                      :regs8 (gif-reg-id a+d)
+                      :regs9 (gif-reg-id a+d)
+                      :regs10 (gif-reg-id a+d)
+                      :regs11 (gif-reg-id a+d)
+                      :regs12 (gif-reg-id a+d)
+                      :regs13 (gif-reg-id a+d)
+                      :regs14 (gif-reg-id a+d)
+                      :regs15 (gif-reg-id a+d)
+                      )
+                 )
+                (set! (-> v1-173 base) (&+ (the-as pointer a0-79) 16))
+                )
+              (let* ((v1-174 debug-buf)
+                     (a0-81 (-> v1-174 base))
+                     )
+                (set! (-> (the-as (pointer gs-alpha) a0-81) 0) (new 'static 'gs-alpha :b #x1 :d #x1))
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 1) (gs-reg64 alpha-1))
+                (set! (-> (the-as (pointer gs-zbuf) a0-81) 2) (new 'static 'gs-zbuf :zbp #x1c0 :psm (gs-psm ct24) :zmsk #x1))
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 3) (gs-reg64 zbuf-1))
+                (set! (-> (the-as (pointer gs-test) a0-81) 4) (new 'static 'gs-test :zte #x1 :ztst (gs-ztest always)))
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 5) (gs-reg64 test-1))
+                (set! (-> (the-as (pointer uint64) a0-81) 6) (the-as uint 0))
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 7) (gs-reg64 pabe))
+                (set! (-> (the-as (pointer gs-clamp) a0-81) 8)
+                 (new 'static 'gs-clamp
+                      :wms (gs-tex-wrap-mode clamp)
+                      :wmt (gs-tex-wrap-mode clamp)
+                      )
+                 )
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 9) (gs-reg64 clamp-1))
+                (set! (-> (the-as (pointer gs-tex1) a0-81) 10)
+                 (new 'static 'gs-tex1 :mmag #x1 :mmin #x1)
+                 )
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 11) (gs-reg64 tex1-1))
+                (set! (-> (the-as (pointer gs-texa) a0-81) 12)
+                 (new 'static 'gs-texa :ta1 #x80)
+                 )
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 13) (gs-reg64 texa))
+                (set! (-> (the-as (pointer gs-texclut) a0-81) 14)
+                 (new 'static 'gs-texclut :cbw #x4)
+                 )
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 15) (gs-reg64 texclut))
+                (set! (-> (the-as (pointer gs-fogcol) a0-81) 16)
+                 (the-as gs-fogcol *fog-color*)
+                 )
+                (set! (-> (the-as (pointer gs-reg64) a0-81) 17) (gs-reg64 fogcol))
+                (set! (-> v1-174 base) (&+ a0-81 144))
+                )
+
+              ;; draw the profile bars
+              (dotimes (s2-0 2)
+                (let ((s1-0 (-> disp frames (-> disp on-screen) frame profile-bar s2-0)))
+                  (add-end-frame
+                   s1-0
+                   'end-draw
+                   (new 'static 'rgba :r #x40 :g #x40 :b #x40 :a #x40)
+                   )
+                  (draw s1-0 debug-buf (* 10 s2-0))
+                  )
+                0
+                )
+              ) ;; end profiler draw
+
+            
+            (when *display-deci-count*
+              (let ((s2-1 draw-string-xy))
+                (format (clear *temp-string*) "~D" *deci-count*)
+                (s2-1 *temp-string* debug-buf 448 210 0 3)
+                )
+              )
+
+            (display-file-info)
+
+            ;; add it all to debug-draw1
+            (let ((a3-6 (-> debug-buf base)))
+              (let ((v1-188 (the-as object (-> debug-buf base))))
+                (set! (-> (the-as dma-packet v1-188) dma)
+                 (new 'static 'dma-tag :id (dma-tag-id next))
+                 )
+                (set! (-> (the-as dma-packet v1-188) vif0) (new 'static 'vif-tag))
+                (set! (-> (the-as dma-packet v1-188) vif1) (new 'static 'vif-tag))
+                (set! (-> debug-buf base) (&+ (the-as pointer v1-188) 16))
+                )
+              (dma-bucket-insert-tag
+               (-> *display* frames (-> *display* on-screen) frame bucket-group)
+               (bucket-id debug-draw1)
+               s4-3
+               (the-as (pointer dma-tag) a3-6)
+               )
+              )
+            ) ;; end dma let
+          ) ;; end debug-segment
+
+        ;; draw pause text.
+        (let* ((s3-1 (if *debug-segment*
+                         (-> disp frames (-> disp on-screen) frame debug-buf)
+                         (-> disp frames (-> disp on-screen) frame global-buf)
+                         )
+                 )
+               (s4-4 (-> s3-1 base))
+               )
+          (if (= *master-mode* 'pause)
+              (draw-string-xy
+               (lookup-text! *common-text* (game-text-id pause) #f)
+               s3-1 256 160 3 39)
+              )
+
+          ;; draw console text on screen
+          (let ((a3-8 (the int (draw-string *stdcon0* s3-1 *font-context*))))
+            (draw-string-xy *stdcon1*
+             s3-1
+             (the int (-> *font-context* origin x))
+             a3-8
+             0
+             3
+             )
+            )
+
+          ;; draw misc info
+          (if *display-iop-info*
+              (show-iop-info s3-1)
+              )
+          (if *display-memcard-info*
+              (show-mc-info s3-1)
+              )
+
+          ;; draw to debug0
+          (let ((a3-9 (-> s3-1 base)))
+            (let ((v1-215 (the-as object (-> s3-1 base))))
+              (set! (-> (the-as dma-packet v1-215) dma)
+               (new 'static 'dma-tag :id (dma-tag-id next))
+               )
+              (set! (-> (the-as dma-packet v1-215) vif0) (new 'static 'vif-tag))
+              (set! (-> (the-as dma-packet v1-215) vif1) (new 'static 'vif-tag))
+              (set! (-> s3-1 base) (&+ (the-as pointer v1-215) 16))
+              )
+            (dma-bucket-insert-tag
+             (-> *display* frames (-> *display* on-screen) frame bucket-group)
+             (bucket-id debug-draw0)
+             s4-4
+             (the-as (pointer dma-tag) a3-9)
+             )
+            )
+          )
+        (let ((v1-220 *dma-mem-usage*))
+          (when (nonzero? v1-220)
+            (set! (-> v1-220 length) (max 85 (-> v1-220 length)))
+            (set! (-> v1-220 data 84 name) "debug")
+            (+! (-> v1-220 data 84 count) 1)
+            (+! (-> v1-220 data 84 used)
+                (&- (-> (if *debug-segment*
+                            (-> disp frames (-> disp on-screen) frame debug-buf)
+                            (-> disp frames (-> disp on-screen) frame global-buf)
+                            )
+                        base
+                        )
+                    (the-as uint debug-txt-buf)
+                    )
+                )
+            (set! (-> v1-220 data 84 total) (-> v1-220 data 84 used))
+            )
+          )
+        )
+      
       ;; console buffers
+      (set! *stdcon* (clear *stdcon0*))
+
+      ;; here it is:
+      (swap-display disp)
+
       ;; swap display
       ;; particles
       ;; vif0 collid
diff --git a/goal_src/engine/gfx/font.gc b/goal_src/engine/gfx/font.gc
index a9a6b2d203..38c16edec0 100644
--- a/goal_src/engine/gfx/font.gc
+++ b/goal_src/engine/gfx/font.gc
@@ -588,7 +588,7 @@
   "Draw a string."
   ;; note: this function is > 4000 instructions and around 80 kB of x86-64.
   ;; it contains over 2000 iregisters.
-  (declare (print-asm))
+  ;;(declare (print-asm))
   (local-vars
    (r0 uint128)
    (v0-0 float)
@@ -2132,3 +2132,19 @@
    v0-0
    )
   )
+
+(defun draw-string-xy ((arg0 string) (arg1 dma-buffer) (arg2 int) (arg3 int) (arg4 int) (arg5 int))
+  (let ((a2-2 (new 'stack 'font-context
+                   *font-default-matrix*
+                   arg2
+                   arg3
+                   0.0
+                   arg4
+                   (the-as uint arg5)
+                   )
+          )
+        )
+    (draw-string arg0 arg1 a2-2)
+    )
+  (none)
+  )
diff --git a/goal_src/engine/gfx/merc/merc.gc b/goal_src/engine/gfx/merc/merc.gc
index 5c2a0d3bca..aa84dc70be 100644
--- a/goal_src/engine/gfx/merc/merc.gc
+++ b/goal_src/engine/gfx/merc/merc.gc
@@ -5,3 +5,6 @@
 ;; name in dgo: merc
 ;; dgos: GAME, ENGINE
 
+(defun merc-vu1-init-buffers ()
+  ;; TODO stub
+  )
diff --git a/goal_src/engine/gfx/tie/tie-methods.gc b/goal_src/engine/gfx/tie/tie-methods.gc
index 3558626d87..14e4287926 100644
--- a/goal_src/engine/gfx/tie/tie-methods.gc
+++ b/goal_src/engine/gfx/tie/tie-methods.gc
@@ -5,3 +5,6 @@
 ;; name in dgo: tie-methods
 ;; dgos: GAME, ENGINE
 
+(defun tie-init-buffers ((dma-buf dma-buffer))
+  ;; TODO stub.
+  )
diff --git a/goal_src/engine/ps2/timer-h.gc b/goal_src/engine/ps2/timer-h.gc
index ddddcabf08..bf6f7c6de6 100644
--- a/goal_src/engine/ps2/timer-h.gc
+++ b/goal_src/engine/ps2/timer-h.gc
@@ -172,6 +172,17 @@
     )
   )
 
+(defmacro add-ee-profile-frame (name &key (r 0) &key (g 0) &key (b 0) &key (a #x80))
+  `(if *debug-segment*
+       (add-frame
+        (-> *display* frames (-> *display* on-screen) frame profile-bar 0)
+        ,name
+        (new 'static 'rgba :r ,r :g ,g :b ,b :a ,a)
+        )
+       )
+  )
+      
+
 ;; tentative name
 (defmethod get-last-frame-time-stamp profile-bar ((obj profile-bar))
   "Returns the timestamp of the last (non-remaining) frame on the profiler bar."
diff --git a/goal_src/engine/ui/progress-h.gc b/goal_src/engine/ui/progress-h.gc
index 2d070bbb26..3411c5c9f2 100644
--- a/goal_src/engine/ui/progress-h.gc
+++ b/goal_src/engine/ui/progress-h.gc
@@ -142,7 +142,7 @@
     (dummy-29 () none 29)
     (dummy-30 () none 30)
     (dummy-31 () none 31)
-    (dummy-32 () none 32)
+    (dummy-32 (_type_) none 32)
     (dummy-33 () none 33)
     (dummy-34 () none 34)
     (dummy-35 () none 35)
@@ -183,3 +183,4 @@
 (define-extern activate-orb-all (function int int)) ;; maybe in hud?
 (define-extern progress-allowed? (function symbol))
 (define-extern pause-allowed? (function symbol))
+(define-extern deactivate-progress (function none))
\ No newline at end of file
diff --git a/goal_src/engine/ui/progress/progress.gc b/goal_src/engine/ui/progress/progress.gc
index fa963f8d4b..82eb2afa38 100644
--- a/goal_src/engine/ui/progress/progress.gc
+++ b/goal_src/engine/ui/progress/progress.gc
@@ -15,3 +15,65 @@
       (= (-> *progress-process* 0 in-out-position) 4096)
       )
   )
+
+(defun deactivate-progress ()
+  ;; todo stub
+  )
+
+(defun progress-allowed? ()
+  (with-pp
+   (not
+    (or
+     (-> *setting-control* current talking)
+     (-> *setting-control* current movie)
+     (movie?)
+     (handle->process (-> *game-info* pov-camera-handle))
+     (handle->process (-> *game-info* other-camera-handle))
+     (<
+      (the-as int (-> *display* base-frame-counter))
+      (the-as int (-> *game-info* letterbox-time))
+      )
+     (<
+      (the-as int (-> *display* base-frame-counter))
+      (the-as int (-> *game-info* blackout-time))
+      )
+     (!= (-> *setting-control* current bg-a) 0.0)
+     (!= (-> *setting-control* current bg-a-force) 0.0)
+     (not (-> *setting-control* current allow-progress))
+     (or
+      (and
+       (handle->process (-> *game-info* auto-save-proc))
+       (let ((a1-3 (new 'stack-no-clear 'event-message-block)))
+        (set! (-> a1-3 from) pp)
+        (set! (-> a1-3 num-params) 0)
+        (set! (-> a1-3 message) 'progress-allowed?)
+        (not
+         (send-event-function
+          (handle->process (-> *game-info* auto-save-proc))
+          a1-3
+          )
+         )
+        )
+       )
+      (not *target*)
+      )
+     )
+    )
+   )
+  )
+
+(defun pause-allowed? ()
+  (not
+   (or
+    (<
+     (the-as int (-> *display* base-frame-counter))
+     (the-as int (-> *game-info* blackout-time))
+     )
+    (!= (-> *setting-control* current bg-a) 0.0)
+    (!= (-> *setting-control* current bg-a-force) 0.0)
+    (not (-> *setting-control* current allow-pause))
+    (handle->process (-> *game-info* auto-save-proc))
+    (not *target*)
+    )
+   )
+  )
\ No newline at end of file
diff --git a/goal_src/goal-lib.gc b/goal_src/goal-lib.gc
index 552d3cd7eb..33c01e4b55 100644
--- a/goal_src/goal-lib.gc
+++ b/goal_src/goal-lib.gc
@@ -705,5 +705,14 @@
   `(make ,(string-append "GROUP:" name) :verbose ,verbose :force ,force)
   )
 
+(defmacro rl ()
+  `(begin
+    (make-group "iso")
+    (lg)
+    (dbg)
+    )
+  )
+
 ;; load the default project
 (load-project "goal_src/game.gp")
+
diff --git a/goal_src/kernel-defs.gc b/goal_src/kernel-defs.gc
index 75b040f58c..73d6e95340 100644
--- a/goal_src/kernel-defs.gc
+++ b/goal_src/kernel-defs.gc
@@ -136,11 +136,12 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
-;; put-display-env
-;; syncv
-(define-extern sync-path (function int int none))
+(define-extern put-display-env (function object none))
+(define-extern syncv (function int int))
+(define-extern sync-path (function int int int))
 (define-extern reset-path (function none))
 (define-extern reset-graph (function int int int int none))
+
 ;; dma-sync
 (define-extern dma-sync (function pointer int int int))
 ;; gs-put-imr
@@ -180,6 +181,7 @@
 ;; PC Port functions
 (define-extern __read-ee-timer (function uint))
 (define-extern __mem-move (function pointer pointer uint none))
+(define-extern __send-gfx-dma-chain (function object object none))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;;; ksound - InitSoundScheme
diff --git a/goalc/compiler/CodeGenerator.cpp b/goalc/compiler/CodeGenerator.cpp
index c36ff35962..6c0e323664 100644
--- a/goalc/compiler/CodeGenerator.cpp
+++ b/goalc/compiler/CodeGenerator.cpp
@@ -32,7 +32,7 @@ std::vector<u8> CodeGenerator::run(const TypeSystem* ts) {
              f->name().c_str());
       throw std::runtime_error("Failed to codegen.");
     }
-    m_gen.add_function_to_seg(f->segment, &m_debug_info->add_function(f->name()));
+    m_gen.add_function_to_seg(f->segment, &m_debug_info->add_function(f->name(), m_fe->name()));
   }
 
   // next, add all static objects.
diff --git a/goalc/debugger/DebugInfo.h b/goalc/debugger/DebugInfo.h
index e10ced32a6..a1d69a3ef4 100644
--- a/goalc/debugger/DebugInfo.h
+++ b/goalc/debugger/DebugInfo.h
@@ -19,6 +19,7 @@ struct FunctionDebugInfo {
   u32 length;
   u8 seg;
   std::string name;
+  std::string obj_name;
 
   std::vector<std::string> irs;
   std::vector<InstructionInfo> instructions;  // contains mapping to IRs
@@ -34,12 +35,13 @@ class DebugInfo {
  public:
   explicit DebugInfo(std::string obj_name);
 
-  FunctionDebugInfo& add_function(const std::string& name) {
+  FunctionDebugInfo& add_function(const std::string& name, const std::string& obj_name) {
     if (m_functions.find(name) != m_functions.end()) {
       assert(false);
     }
     auto& result = m_functions[name];
     result.name = name;
+    result.obj_name = obj_name;
     return result;
   }
 
diff --git a/goalc/debugger/Debugger.cpp b/goalc/debugger/Debugger.cpp
index 88f7520e51..aff84e1954 100644
--- a/goalc/debugger/Debugger.cpp
+++ b/goalc/debugger/Debugger.cpp
@@ -216,7 +216,7 @@ std::vector<BacktraceFrame> Debugger::get_backtrace(u64 rip, u64 rsp) {
 
     if (frame.rip_info.knows_function && frame.rip_info.func_debug &&
         frame.rip_info.func_debug->stack_usage) {
-      fmt::print("{}\n", frame.rip_info.function_name);
+      fmt::print("{} from {}\n", frame.rip_info.function_name, frame.rip_info.func_debug->obj_name);
       // we're good!
       u64 rsp_at_call = rsp + *frame.rip_info.func_debug->stack_usage;