sdcc/support/regression/tests/bug-2966.c

   1 /* bug-2966.c
   2    An error in instruction size estimation for z80 resulted in an out-of-range relative jump.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma disable_warning 85
   9 #endif
  10
  11 #define PORT_A_KEY_UP           0x0001
  12 #define PORT_A_KEY_DOWN         0x0002
  13 #define PORT_A_KEY_LEFT         0x0004
  14 #define PORT_A_KEY_RIGHT        0x0008
  15 #define PORT_A_KEY_1            0x0010
  16 #define PORT_A_KEY_2            0x0020
  17
  18 #define PORT_B_KEY_UP           0x0040
  19 #define PORT_B_KEY_DOWN         0x0080
  20 #define PORT_B_KEY_LEFT         0x0100
  21 #define PORT_B_KEY_RIGHT        0x0200
  22 #define PORT_B_KEY_1            0x0400
  23 #define PORT_B_KEY_2            0x0800
  24
  25 void displayOn (void) {
  26   return;
  27 }
  28
  29 void SMS_waitForVBlank (void) {
  30   return;
  31 }
  32
  33 void PSGFrame (void) {
  34   return;
  35 }
  36
  37 void PSGStop (void) {
  38   return;
  39 }
  40
  41 unsigned int filter_paddle (unsigned int i) {
  42   return i;
  43 }
  44
  45 unsigned int SMS_getKeysPressed (void) {
  46   return PORT_B_KEY_2;
  47 }
  48
  49 void PSGPlay (void *p) {
  50   return;
  51 }
  52
  53 void *CH0_psgc, *CH1_psgc, *CH2_psgc, *CH3_psgc, *VolumeTest_psgc;
  54
  55 unsigned int kp;
  56
  57 void testBug (void) {
  58   displayOn();
  59
  60   for(;;) {
  61     SMS_waitForVBlank();
  62     PSGFrame();
  63     kp=filter_paddle(SMS_getKeysPressed());
  64     if (kp & (PORT_A_KEY_UP|PORT_B_KEY_UP))
  65       PSGPlay(CH0_psgc);
  66     if (kp & (PORT_A_KEY_RIGHT|PORT_B_KEY_RIGHT))
  67       PSGPlay(CH1_psgc);
  68     if (kp & (PORT_A_KEY_DOWN|PORT_B_KEY_DOWN))
  69       PSGPlay(CH2_psgc);
  70     if (kp & (PORT_A_KEY_LEFT|PORT_B_KEY_LEFT))
  71       PSGPlay(CH3_psgc);
  72     if (kp & (PORT_A_KEY_1|PORT_B_KEY_1))
  73       PSGPlay(VolumeTest_psgc);
  74     if (kp & (PORT_A_KEY_2|PORT_B_KEY_2))
  75       break;
  76   }
  77   PSGStop();
  78 }
  79