wip

src/cursor.cpp

@@ -45,6 +45,7 @@ namespace cursor {
         float dy = static_cast<float>(data.analog_coordinate_axis[3] - 0x80) * 0.015;
         state[port_ix].x += dx;
         state[port_ix].y += dy;
+
 	state[port_ix].a = ft0::data_transfer::digital_button::a(data.digital_button) == 0;
 	state[port_ix].b = ft0::data_transfer::digital_button::b(data.digital_button) == 0;
 

src/graphics.cpp

@@ -126,7 +126,10 @@ void graphics_cursor(ta_multiwriter& multi)
                             para_control::list_type::opaque,
                             tsp_instruction_word::dst_alpha_instr::zero);
 
-  const cursor::cursor& c = cursor::state[0];
+  for (int i = 0; i < 4; i++) {
+    const cursor::cursor& c = cursor::state[i];
+    if (!c.active)
+      continue;
 
     quad_type_0(multi.op,
                 {c.x - 1, c.y - 1, 10},
@@ -135,6 +138,7 @@ void graphics_cursor(ta_multiwriter& multi)
                 {c.x - 1, c.y + 1, 10},
                 0xffffff);
   }
+}
 
 void graphics_event(ta_multiwriter& multi)
 {

src/interpreter.cpp

@@ -208,6 +208,9 @@ void execute_line(int line_index)
 
 void interrupt()
 {
+  if (state.paused)
+    return;
+
   state.interrupt_clock += 1;
   // execute keyons
   for (int ch = 0; ch < 64; ch++) {
@@ -298,4 +301,20 @@ void init(float clock_multiplier)
   printf("tick_rate %d\n", state.tick_rate);
 }
 
+void pause()
+{
+  state.tmp_paused = state.paused;
+  state.paused = true;
+}
+
+void unpause()
+{
+  state.paused = false;
+}
+
+void resume()
+{
+  state.paused = state.tmp_paused;
+}
+
 }

src/interpreter.hpp

@@ -21,6 +21,8 @@ struct interpreter_state {
   int pattern_index;
   int line_index;
   int next_line_index; // within the current pattern
+  bool paused;
+  bool tmp_paused;
 
   struct xm_state xm;
 
@@ -30,5 +32,7 @@ struct interpreter_state {
 extern struct interpreter_state state;
 void interrupt();
 void init(float clock_multiplier);
+void pause();
+void unpause();
 
 }

src/main.cpp

@@ -9,9 +9,6 @@
 #include "cursor.hpp"
 #include "input.hpp"
 
-#include "xm/milkypack01.xm.h"
-#include "xm.h"
-
 void vbr100()
 {
   serial::string("vbr100\n");
@@ -59,24 +56,6 @@ void vbr600()
   asm volatile ("ldc %0,sr" : : "r" (sr));
 }
 
-void load_xm(float clock_multiplier)
-{
-  using namespace interpreter;
-
-  int buf = (int)&_binary_xm_milkypack01_xm_start;
-
-  static uint8_t __attribute__((aligned(32))) sample_data[1024 * 1024 * 2];
-  const int sample_data_length = (sizeof (sample_data));
-
-  int sample_data_ix = xm_init(&state.xm,
-                               buf,
-                               sample_data,
-                               sample_data_length);
-  interpreter::init(clock_multiplier);
-  sound::transfer(sample_data, sample_data_ix);
-  printf("tick_rate %d\n", state.tick_rate);
-}
-
 #include "memorymap.hpp"
 #include "holly/texture_memory_alloc9.hpp"
 #include "holly/holly.hpp"
@@ -119,9 +98,6 @@ void main()
   input::state_init();
   cursor::init();
 
-  const float aica_clock_multiplier = 44.1;
-  load_xm(aica_clock_multiplier);
-
   //test_pattern();
 
   interrupt_init();

src/playlist.cpp

@@ -0,0 +1,34 @@
+#include "xm.h"
+#include "xm/milkypack01.xm.h"
+
+const float aica_clock_multiplier = 44.1;
+
+namespace playlist {
+
+  static playlist_item playlist[] = {
+    {
+      "milkypack01"
+    }
+  };
+
+
+  void load_xm(float clock_multiplier, int buf)
+  {
+    using namespace interpreter;
+
+    static uint8_t __attribute__((aligned(32))) sample_data[1024 * 1024 * 2];
+    const int sample_data_length = (sizeof (sample_data));
+
+    interpreter::pause();
+
+    int sample_data_ix = xm_init(&state.xm,
+                                 buf,
+                                 sample_data,
+                                 sample_data_length);
+    interpreter::init(clock_multiplier);
+    sound::transfer(sample_data, sample_data_ix);
+    //printf("tick_rate %d\n", state.tick_rate);
+
+    interpreter::resume();
+  }
+}

src/playlist.hpp

@@ -0,0 +1,6 @@
+namespace playlist {
+  struct playlist_item {
+    const char * const name;
+    const int start;
+  };
+}