first_full_makefile

1 files changed, 0 insertions, 280 deletions

diff --git a/software/pong3/pong3.c b/software/pong3/pong3.c
deleted file mode 100644
index aba6ae6..0000000
--- a/software/pong3/pong3.c
+++ /dev/null
@@ -1,280 +0,0 @@
-#include <io.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-#include "system.h"
-
-#include "GPU.h"
-
-#define msleep(msec) usleep(1000*msec);
-
-
-static void
-pio_write (unsigned int data)
-{
-  IOWR (PIO_0_BASE, 0, data);
-}
-
-
-static void
-gpu_write (unsigned int reg, unsigned int data)
-{
-  IOWR (GPU_0_BASE, reg << 2, data);
-}
-
-
-static void
-update_gpu (int x, int y, int bat0, int bat1)
-{
-  // set locations
-  gpu_write (GPU_REG_SPRITE_X, x + GPU_OFFSET);
-  gpu_write (GPU_REG_SPRITE_Y, y + GPU_OFFSET);
-  gpu_write (GPU_REG_BAT0_Y, bat0 + GPU_OFFSET);
-  gpu_write (GPU_REG_BAT1_Y, bat1 + GPU_OFFSET);
-
-
-  // enable video
-  gpu_write (GPU_REG_BLANK, 0);
-}
-
-
-static void
-show_score (int score)
-{
-  // int to seven segment lookup: MSB dp g f e d c b a LSB
-  const uint8_t lookup[10] =
-    { 0x3F, 0x6, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x7, 0x7F, 0x6F };
-
-  uint8_t ss = 0;
-
-  // show negative with DP
-  if (score < 0)
-    {
-      ss |= 0x80;
-      score = -score;
-    }
-
-  if (score > 9)
-    score = 9;
-
-  ss |= lookup[score];
-
-  pio_write (ss);
-}
-
-static void
-load_sprite (void)
-{
-  const uint16_t sprite[16] =
-    { 0x00C0, 0x03E0, 0x0FF8, 0x1FFE, 0x3FC7, 0x3F83, 0x3933, 0x3987, 0x3D37,
-    0x3D37, 0x3D87, 0x3FFF, 0x1FFE, 0x07F8, 0x01E0, 0x00C0
-  };
-  const unsigned int n = sizeof (sprite) / sizeof (uint16_t);
-  unsigned int i;
-
-  gpu_write (GPU_REG_SPRITE_COLOUR, GPU_RGB(7,2,0));
-
-  // squirt the bromium logo into the sprite
-  for (i = 0; i < n; ++i)
-    gpu_write (GPU_REG_SPRITE_BASE + i, sprite[i]);
-}
-
-
-static int
-dir (int a, int b)
-{
-  if (a > b)
-    return 1;
-  if (a < b)
-    return -1;
-  return 0;
-}
-
-static void
-move_bat (int *b, int db)
-{
-  *b += dir (db, *b);
-}
-
-static int
-squish (int *v, int min, int max)
-{
-  if (*v < min)
-    {
-      *v = min;
-      return 1;
-    }
-  if (*v >= max)
-    {
-      *v = max - 1;
-      return 1;
-    }
-  return 0;
-}
-
-static int
-find_intersection (int x, int y, int xd, int yd, int t)
-{
-
-  // super lazy - we should use the power of MATHS
-
-  while (x != t)
-    {
-      x += xd;
-      y += yd;
-
-      if (squish (&y, 0, GPU_HEIGHT))
-        yd = -yd;
-
-      if (squish (&x, 0, GPU_WIDTH))
-        xd = -xd;
-    }
-
-  return y;
-}
-
-static int
-has_missed (int y1, int y2)
-{
-  y1 = y1 - y2;
-  if (y1 < 0)
-    y1 = -y1;
-  if (y1 > 20)
-    return 1;
-  return 0;
-}
-
-static int
-x_speed (void)
-{
-  return (rand () % 10) + 1;
-}
-
-static int
-y_speed (void)
-{
-  return (rand () % 9) - 4;
-}
-
-
-int
-main (void)
-{
-  int x, y, xd, yd;
-  int bat0, dbat0;
-  int bat1, dbat1;
-  int score = 0;
-  int serve = 0;
-  int i;
-
-  printf ("Working...\n");
-
-  srand (12392184);
-
-  bat0 = GPU_HEIGHT / 2;
-  bat1 = GPU_HEIGHT / 2;
-
-  load_sprite ();
-
-  for (;;)
-    {
-      xd = x_speed ();
-      yd = y_speed ();
-
-      show_score (score);
-
-      if (!serve)
-        {
-          x = 1;
-          y = bat0;
-          dbat0 = GPU_HEIGHT / 2;
-          dbat1 = find_intersection (x + xd, y + yd, xd, yd, GPU_WIDTH - 1);
-        }
-      else
-        {
-          x = GPU_WIDTH - 2;
-          y = bat1;
-          yd = -yd;
-          dbat0 = find_intersection (x + xd, y + yd, xd, yd, 0);
-          dbat1 = GPU_HEIGHT / 2;
-        }
-      serve = !serve;
-
-      for (;;)
-        {
-          x += xd;
-          y += yd;
-
-
-          if (squish (&y, 0, GPU_HEIGHT))
-            yd = -yd;
-
-          if (squish (&x, 0, GPU_WIDTH))
-            {
-              xd = x_speed ();
-              if (x)
-                xd = -xd;
-              yd = y_speed ();
-
-              if (x)
-                {
-
-                  if (has_missed (y, bat1))
-                    {
-                      score++;
-                      break;
-                    }
-                  dbat0 = find_intersection (x + xd, y + yd, xd, yd, 0);
-                  dbat1 = GPU_HEIGHT / 2;
-
-                }
-              else
-                {
-
-                  if (has_missed (y, bat0))
-                    {
-                      score--;
-                      break;
-                    }
-                  dbat0 = GPU_HEIGHT / 2;
-                  dbat1 =
-                    find_intersection (x + xd, y + yd, xd, yd, GPU_WIDTH - 1);
-
-                }
-            }
-
-          move_bat (&bat0, dbat0);
-          move_bat (&bat1, dbat1);
-
-          update_gpu (x, y, bat0, bat1);
-
-          msleep (2);
-        }
-
-      if (!serve)
-        {
-          dbat1 = GPU_HEIGHT / 2;
-          dbat0 = bat0;
-        }
-      else
-        {
-          dbat0 = GPU_HEIGHT / 2;
-          dbat1 = bat1;
-        }
-
-      for (i = 0; i < 200; ++i)
-        {
-          if (i == 100)
-            show_score (score);
-
-          move_bat (&bat0, dbat0);
-          move_bat (&bat1, dbat1);
-
-          update_gpu (x, y, bat0, bat1);
-          msleep (2);
-
-        }
-    }
-}