megaed-sv: more tests

diff --git a/megaed-sv/asmtools.h b/megaed-sv/asmtools.h
index 46ce1c0..ff3c42b 100644 (file)
--- a/megaed-sv/asmtools.h
+++ b/megaed-sv/asmtools.h
@@ -1,4 +1,5 @@
 void read_joy_responses(u8 resp[8*5]);
-void test_joy_read_log(u8 *dest, int size);
+void test_joy_read_log(u8 *dest, int size, int do_sync);
 void test_joy_read_log_vsync(u8 *dest, int size);
+void test_byte_write(u8 *dest, int size, int seed);
 void run_game(u16 mapper, int tas_sync);

diff --git a/megaed-sv/asmtools.s b/megaed-sv/asmtools.s
index 7b7e759..2ed3df7 100644 (file)
--- a/megaed-sv/asmtools.s
+++ b/megaed-sv/asmtools.s
@@ -49,20 +49,13 @@ read_joy_responses:
     rts
 
 
-.global test_joy_read_log /* u8 *dest, int size */
-test_joy_read_log:
-    ldarg       0, 0, a1
-    ldarg       1, 0, d0
-    movem.l     d2-d7, -(sp)
-    movea.l     #0xa10003, a0
-    move.l      d0, d7
-
-.macro joy_read_log_prep
-    move.l      #0x40, d1
-    moveq.l     #0, d0
-    move.b      d1, (6,a0)
-    move.b      d1, (a0)
-
+/* expects:
+ * a0 = #0xa10003
+ * d0 = #0
+ * d1 = #0x40
+ * trashes d2, d3
+ */
+sync_with_teensy:
 0:  /* wait for special code */
     move.b      d1, (a0)
     move.b      (a0), d2
@@ -84,8 +77,11 @@ test_joy_read_log:
 0:  /* wait enough for teensy to setup it's stuff */
     subq.l      #1, d2   /* 8 */
     bgt.s       0b       /* 10 */
-.endm
-.macro nop_
+
+    rts
+
+
+.macro t_nop
     /*
      * when communicating with 3.3V teensy:
      * - no nops: see old value on multiple pins randomly
@@ -96,20 +92,38 @@ test_joy_read_log:
     nop
 .endm
 
-    joy_read_log_prep
+
+.global test_joy_read_log /* u8 *dest, int size, int do_sync */
+test_joy_read_log:
+    ldarg       0, 0, a1
+    ldarg       1, 0, d0
+    ldarg       2, 0, d1
+    movem.l     d2-d7, -(sp)
+    movea.l     #0xa10003, a0
+    move.l      d0, d7
+    move.l      d1, d6
+
+    moveq.l     #0, d0
+    move.l      #0x40, d1
+    move.b      d1, (6,a0)
+    move.b      d1, (a0)
+
+    tst.l       d6
+    beq.s       2f
+    bsr         sync_with_teensy
 
 2:  /* save data */
     move.b      d0, (a0)
-    nop_
+    t_nop
     move.b      (a0), d2
     move.b      d1, (a0)
-    nop_
+    t_nop
     move.b      (a0), d3
     move.b      d0, (a0)
-    nop_
+    t_nop
     move.b      (a0), d4
     move.b      d1, (a0)
-    nop_
+    t_nop
     move.b      (a0), d5
 .if 0
     /* broken on Mega-ED v9?? */
@@ -147,8 +161,12 @@ test_joy_read_log_vsync:
     movea.l     #0xc00005, a2
     move.l      d0, d7
 
-    /* syncs, sets d0=0, d1=0x40 */
-    joy_read_log_prep
+    move.l      #0x40, d1
+    moveq.l     #0, d0
+    move.b      d1, (6,a0)
+    move.b      d1, (a0)
+
+    bsr         sync_with_teensy
 
 2:  /* save data */
     move.b      d0, (a0)
@@ -174,6 +192,48 @@ test_joy_read_log_vsync:
     rts
 
 
+.global test_byte_write /* u8 *dest, int size, int seed */
+test_byte_write:
+    ldarg       0, 0, a0
+    ldarg       1, 0, d0
+    ldarg       2, 0, d1
+    movem.l     d2-d7, -(sp)
+
+    move.l      a0, a1
+    add.l       d0, a1
+    move.l      d1, d7
+0:
+    move.b      d7, d0
+    addq.b      #1, d7
+    move.b      d7, d1
+    addq.b      #1, d7
+    move.b      d7, d2
+    addq.b      #1, d7
+    move.b      d7, d3
+    addq.b      #1, d7
+    move.b      d7, d4
+    addq.b      #1, d7
+    move.b      d7, d5
+    addq.b      #1, d7
+    move.b      d7, d6
+    addq.b      #1, d7
+
+    move.b      d0, (a0)+
+    move.b      d1, (a0)+
+    move.b      d2, (a0)+
+    move.b      d3, (a0)+
+    move.b      d4, (a0)+
+    move.b      d5, (a0)+
+    move.b      d6, (a0)+
+    move.b      d7, (a0)+
+    addq.b      #1, d7
+    cmp.l       a1, a0
+    blt.s       0b
+
+    movem.l     (sp)+, d2-d7
+    rts
+
+
 .global run_game /* u16 mapper, int tas_sync */
 run_game:
        move.w          #0x2700, sr

diff --git a/megaed-sv/main.c b/megaed-sv/main.c
index fa0c163..4473c5c 100644 (file)
--- a/megaed-sv/main.c
+++ b/megaed-sv/main.c
@@ -386,13 +386,15 @@ static void test_joy_latency(int *min_out, int *max_out)
 static int do_test(OsRoutine *ed, u8 b3)
 {
     int min = 0, max = 0;
+    int i, t, len, seed;
+    u8 *p, v;
 
     switch (b3)
     {
     case '0':
         printf("reading..\n");
-        test_joy_read_log((void *)0x200000, 0x20000);
-        //test_joy_read_log((void *)0xff0200, 0x0f000);
+        test_joy_read_log((void *)0x200000, 0x20000, 1);
+        //test_joy_read_log((void *)0xff0200, 0x0f000, 1);
         printf("done\n");
         return 0;
     case '1':
@@ -400,6 +402,47 @@ static int do_test(OsRoutine *ed, u8 b3)
         test_joy_read_log_vsync((void *)0x200000, 3600 * 2);
         printf("done\n");
         return 0;
+    case '2':
+    case '3':
+        printf("3btn_idle test..\n");
+        p = (void *)0x200000;
+        len = 0x20000;
+        test_joy_read_log(p, len, b3 == '3');
+        for (i = 0; i < len; i++) {
+            static const u8 e[2] = { 0x33, 0x7f };
+            v = e[i & 1];
+            if (p[i] != v)
+                printf("%06x: bad: %02x %02x\n", &p[i], p[i], v);
+        }
+        printf("done\n");
+        return 0;
+    case '4':
+        printf("3btn_idle data test..\n");
+        p = (void *)0x200000;
+        len = 0x20000;
+        for (i = 0; i < len; i++) {
+            static const u8 e[2] = { 0x33, 0x7f };
+            v = e[i & 1];
+            if (p[i] != v)
+                printf("%06x: bad: %02x %02x\n", &p[i], p[i], v);
+        }
+        printf("done\n");
+        return 0;
+    case '5':
+        seed = read8(0xC00009);
+        printf("testing, seed=%02x\n", seed);
+        p = (void *)0x200000;
+        len = 0x100000;
+        test_byte_write(p, len, seed);
+        for (t = 0; t < 2; t++) {
+            for (i = 0; i < len; i++) {
+                v = (u8)(i + seed);
+                if (p[i] != v)
+                    printf("%06x: bad: %02x %02x\n", &p[i], p[i], v);
+            }
+            printf("done (%d)\n", t);
+        }
+        return 0;
     case 'j':
         test_joy_latency(&min, &max);
         printf("latency: %d - %d\n\n", min, max);