From 15354fce71cbc4f99976a062c8163185b8722e16 Mon Sep 17 00:00:00 2001
From: Steven Hugg <hugg@fasterlight.com>
Date: Sun, 26 Mar 2017 19:14:55 -0400
Subject: [PATCH] added test pgms for galaxian-scramble

---
 index.html                          |   2 +-
 presets/galaxian-scramble/gfxtest.c | 194 +++++++++
 presets/galaxian-scramble/shoot2.c  | 649 ++++++++++++++++++++++++++++
 src/platform/galaxian.js            |   2 +-
 tools/parsebdf8.py                  |   1 +
 5 files changed, 846 insertions(+), 2 deletions(-)
 create mode 100644 presets/galaxian-scramble/gfxtest.c
 create mode 100644 presets/galaxian-scramble/shoot2.c

diff --git a/index.html b/index.html
index 0ddf61f4..96a3823d 100644
--- a/index.html
+++ b/index.html
@@ -213,7 +213,7 @@ div.bitmap_editor {
             <li><a class="dropdown-item" href="?platform=vicdual" id="item_platform_vicdual">VIC Dual</a></li>
             <li><a class="dropdown-item" href="?platform=galaxian-scramble" id="item_platform_galaxian_scramble">Galaxian/Scramble</a></li>
             <li><a class="dropdown-item" href="?platform=vector-z80color" id="item_platform_vector_z80color">Atari Color Vector (Z80)</a></li>
-            <li><a class="dropdown-item" href="?platform=williams" id="item_platform_williams">Williams (Z80)</a></li>
+            <li><a class="dropdown-item" href="?platform=williams-z80" id="item_platform_williams_z80">Williams (Z80)</a></li>
           </ul>
       </li>
       <li class="dropdown dropdown-submenu">
diff --git a/presets/galaxian-scramble/gfxtest.c b/presets/galaxian-scramble/gfxtest.c
new file mode 100644
index 00000000..18d65618
--- /dev/null
+++ b/presets/galaxian-scramble/gfxtest.c
@@ -0,0 +1,194 @@
+#include <string.h>
+
+typedef unsigned char byte;
+typedef unsigned short word;
+
+byte __at (0x4800) vram[32][32];
+
+struct {
+  byte scroll;
+  byte attrib;
+} __at (0x5000) columns[32];
+
+struct {
+  byte xpos;
+  byte code;
+  byte color;
+  byte ypos;
+} __at (0x5040) sprites[8];
+
+struct {
+  byte unused1;
+  byte xpos;
+  byte unused2;
+  byte ypos;
+} __at (0x5060) missiles[8];
+
+byte __at (0x5080) xram[128];
+
+byte __at (0x6801) enable_irq;
+byte __at (0x6804) enable_stars;
+byte __at (0x7000) watchdog;
+byte __at (0x8100) input0;
+byte __at (0x8101) input1;
+byte __at (0x8102) input2;
+
+void main();
+
+void start() {
+__asm
+	LD      SP,#0x4800
+        DI
+__endasm;
+	main();
+}
+
+const char __at (0x4000) tilerom[0x1000] = {
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+};
+const char __at (0x5000) palette[32] = {
+  0x00,0x00,0x00,0xff,0x00,0xf0,0xc0,0x7f,
+  0x00,0xc0,0x04,0x1f,0x00,0xd0,0xd0,0x0f,
+  0x00,0xc0,0xc0,0x0f,0x00,0x04,0x04,0x0f,
+  0x00,0xff,0x0f,0xf0,0x00,0x7f,0x0f,0xdf,
+};
+
+#define LOCHAR 0x30
+#define HICHAR 0xff
+
+#define CHAR(ch) (ch-LOCHAR)
+
+void clrscr() {
+  memset(vram, 0x10, sizeof(vram));
+  memset(columns, 0, sizeof(columns));
+  memset(sprites, 0, sizeof(sprites));
+  memset(missiles, 0, sizeof(missiles));
+}
+
+byte getchar(byte x, byte y) {
+  return vram[29-x][y];
+}
+
+void putchar(byte x, byte y, byte ch) {
+  vram[29-x][y] = ch;
+}
+
+void putstring(byte x, byte y, const char* string) {
+  while (*string) {
+    putchar(x++, y, CHAR(*string++));
+  }
+}
+
+static int frame;
+
+void testpattern() {
+  byte i;
+  watchdog++;
+  for (i=0; i<32; i++) {
+    columns[i].attrib = i;
+    columns[i].scroll = frame;
+  }
+  for (i=0; i<8; i++) {
+    sprites[i].xpos = i*16-frame;
+    sprites[i].ypos = i*32;
+    sprites[i].code = i*8;
+    sprites[i].color = i;
+  }
+  for (i=0; i<8; i++) {
+    missiles[i].xpos = i*32;
+    missiles[i].ypos = i*16-frame;
+  }
+  frame++;
+}
+
+void draw_all_chars() {
+  byte i;
+  i = 0;
+  do {
+    byte x = (i & 31);
+    byte y = (i >> 5) + 2;
+    putchar(x,y,i);
+    columns[y].attrib = frame+y;
+    //columns[y].scroll = frame;
+  } while (++i);
+}
+
+void draw_test_sprites() {
+  byte i;
+  for (i=0; i<8; i++) {
+    sprites[i].xpos = i*16-frame;
+    sprites[i].ypos = 190;
+    sprites[i].code = i+16;
+    sprites[i].color = 2;
+  }
+}
+
+void putshape(byte x, byte y, byte ofs) {
+  putchar(x, y, ofs+2);
+  putchar(x+1, y, ofs);
+  putchar(x, y+1, ofs+3);
+  putchar(x+1, y+1, ofs+1);
+}
+
+void draw_alien(byte ofs, byte y) {
+  byte i;
+  byte x = 0;
+  columns[y].attrib = 1;
+  columns[y].scroll = 0;
+  columns[y+1].attrib = 1;
+  columns[y+1].scroll = 0;
+  for (i=0; i<8; i++) {
+    putshape(x, y, ofs);
+    x += 3;
+    ofs += 4;
+  }
+}
+
+void draw_explosion(byte ofs, byte y) {
+  byte x;
+  columns[y].attrib = 2;
+  columns[y+1].attrib = 2;
+  columns[y+2].attrib = 2;
+  columns[y+3].attrib = 2;
+  for (x=0; x<4; x++) {
+    putshape(x*5, y, ofs+8);
+    putshape(x*5, y+2, ofs+12);
+    putshape(x*5+2, y, ofs);
+    putshape(x*5+2, y+2, ofs+4);
+    ofs += 16;
+  }
+}
+
+void main() {
+  clrscr();
+  while (1) {
+    draw_all_chars();
+    //draw_test_sprites();
+    draw_alien(0x30, 18);
+    draw_alien(0x50, 21);
+    draw_alien(0x70, 24);
+    draw_alien(0xa0, 27);
+    draw_explosion(0xc0, 12);
+    putstring(0, 0, "HELLO@WORLD@123");
+    columns[1].attrib = frame;
+    enable_stars = 0&0xff;
+    frame++;
+    watchdog++;
+  }
+}
diff --git a/presets/galaxian-scramble/shoot2.c b/presets/galaxian-scramble/shoot2.c
new file mode 100644
index 00000000..4b8b8500
--- /dev/null
+++ b/presets/galaxian-scramble/shoot2.c
@@ -0,0 +1,649 @@
+#include <string.h>
+
+typedef unsigned char byte;
+typedef unsigned short word;
+
+byte __at (0x4800) vram[32][32];
+
+struct {
+  byte scroll;
+  byte attrib;
+} __at (0x5000) columns[32];
+
+struct {
+  byte xpos;
+  byte code;
+  byte color;
+  byte ypos;
+} __at (0x5040) sprites[8];
+
+struct {
+  signed char dx; // unused by h/w
+  byte xpos;
+  signed char dy; // unused by h/w
+  byte ypos;
+} __at (0x5060) missiles[8];
+
+byte __at (0x5080) xram[128];
+
+byte __at (0x6801) enable_irq;
+byte __at (0x6804) enable_stars;
+byte __at (0x6805) missile_width;
+byte __at (0x6806) missile_offset;
+byte __at (0x7000) watchdog;
+byte __at (0x8100) input0;
+byte __at (0x8101) input1;
+byte __at (0x8102) input2;
+
+#define LEFT1 !(input0 & 0x20)
+#define RIGHT1 !(input0 & 0x10)
+#define UP1 !(input0 & 0x1)
+#define DOWN1 !(input2 & 0x40)
+#define FIRE1 !(input0 & 0x8)
+#define BOMB1 !(input0 & 0x2)
+#define COIN1 !(input0 & 0x80)
+#define COIN2 !(input0 & 0x40)
+#define START1 !(input1 & 0x80)
+#define START2 !(input1 & 0x40)
+
+void main();
+
+void start() {
+__asm
+	LD      SP,#0x4800
+        EI
+; copy initialized data to RAM
+        LD    BC, #l__INITIALIZER
+        LD    A, B
+        LD    DE, #s__INITIALIZED
+        LD    HL, #s__INITIALIZER
+        LDIR
+__endasm;
+	main();
+}
+
+const char __at (0x4000) tilerom[0x1000] = {
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+};
+const char __at (0x5000) palette[32] = {
+  0x00,0x00,0x00,0xf6,0x00,0x16,0xc0,0x3f,
+  0x00,0xd8,0x07,0x3f,0x00,0xc0,0xc4,0x07,
+  0x00,0xc0,0xa0,0x07,0x00,0x00,0x00,0x07,
+  0x00,0xf6,0x07,0xf0,0x00,0x76,0x07,0xc6,
+};
+
+#define LOCHAR 0x30
+#define HICHAR 0xff
+
+#define CHAR(ch) (ch-LOCHAR)
+
+#define BLANK 0x10
+
+void clrscr() {
+  memset(vram, BLANK, sizeof(vram));
+}
+
+byte getchar(byte x, byte y) {
+  return vram[29-x][y];
+}
+
+volatile byte video_framecount; // actual framecount
+
+void reset_video_framecount() __critical {
+  video_framecount = 0;
+}
+
+void _buffer() {
+__asm
+; padding to get to offset 0x66
+  ld ix,#0
+  ld ix,#0
+  ld ix,#0
+  nop
+  nop
+  nop
+__endasm;
+}
+
+void rst_66() __interrupt {
+  video_framecount++;
+}
+
+void putchar(byte x, byte y, byte ch) {
+  vram[29-x][y] = ch;
+}
+
+void clrobjs() {
+  byte i;
+  memset(columns, 0, 0x100);
+  for (i=0; i<8; i++)
+    sprites[i].ypos = 64;
+}
+
+void putstring(byte x, byte y, const char* string) {
+  while (*string) {
+    putchar(x++, y, CHAR(*string++));
+  }
+}
+
+char in_rect(byte x, byte y, byte x0, byte y0, byte w, byte h) {
+  return ((byte)(x-x0) < w && (byte)(y-y0) < h); // unsigned
+}
+
+void draw_bcd_word(byte x, byte y, word bcd) {
+  byte j;
+  x += 3;
+  for (j=0; j<4; j++) {
+    putchar(x, y, CHAR('0'+(bcd&0xf)));
+    x--;
+    bcd >>= 4;
+  }
+}
+
+// add two 16-bit BCD values
+word bcd_add(word a, word b) {
+  a; b; // to avoid warning
+__asm
+        ld      hl,#4
+        add     hl,sp
+        ld      iy,#2
+        add     iy,sp
+        ld      a,0 (iy)
+        add     a, (hl)
+        daa
+        ld      c,a
+        ld      a,1 (iy)
+        inc     hl
+        adc     a, (hl)
+        daa
+        ld      b,a
+        ld      l, c
+        ld      h, b
+__endasm;
+}
+
+// https://en.wikipedia.org/wiki/Linear-feedback_shift_register#Galois_LFSRs
+static word lfsr = 1;
+word rand() {
+  unsigned lsb = lfsr & 1;   /* Get LSB (i.e., the output bit). */
+  lfsr >>= 1;                /* Shift register */
+  if (lsb) {                 /* If the output bit is 1, apply toggle mask. */
+    lfsr ^= 0xB400u;
+  }
+  return lfsr;
+}
+
+// GAME CODE
+
+typedef struct {
+  byte shape;
+} FormationEnemy;
+
+// should be power of 2 length
+typedef struct {
+  byte findex;
+  byte shape;
+  word x;
+  word y;
+  byte dir;
+  byte returning;
+} AttackingEnemy;
+
+#define ENEMIES_PER_ROW 8
+#define ENEMY_ROWS 4
+#define MAX_IN_FORMATION (ENEMIES_PER_ROW*ENEMY_ROWS)
+#define MAX_ATTACKERS 6
+
+FormationEnemy formation[MAX_IN_FORMATION];
+AttackingEnemy attackers[MAX_ATTACKERS];
+byte formation_offset_x;
+signed char formation_direction;
+byte current_row;
+byte player_x;
+const byte player_y = 232;
+byte player_exploding;
+byte enemies_left;
+word player_score;
+word framecount;
+
+void add_score(word bcd) {
+  player_score = bcd_add(player_score, bcd);
+  draw_bcd_word(0, 1, player_score);
+  putchar(4, 1, CHAR('0'));
+}
+
+void setup_formation() {
+  byte i;
+  memset(formation, 0, sizeof(formation));
+  memset(attackers, 0, sizeof(attackers));
+  memset(missiles, 0, sizeof(missiles));
+  for (i=0; i<MAX_IN_FORMATION; i++) {
+    byte flagship = i < ENEMIES_PER_ROW;
+    formation[i].shape = flagship ? 0x43 : 0x43;
+  }
+  enemies_left = MAX_IN_FORMATION;
+}
+
+void draw_row(byte row) {
+  byte i;
+  byte y = 4 + row * 2;
+  columns[y].attrib = 0x2;
+  columns[y].scroll = formation_offset_x;
+  for (i=0; i<ENEMIES_PER_ROW; i++) {
+    byte x = i * 3;
+    byte shape = formation[i + row*ENEMIES_PER_ROW].shape;
+    if (shape) {
+      putchar(x, y, shape);
+      putchar(x+1, y, shape-2);
+    } else {
+      putchar(x, y, BLANK);
+      putchar(x+1, y, BLANK);
+    }
+  }
+}
+
+void draw_next_row() {
+  draw_row(current_row);
+  if (++current_row == ENEMY_ROWS) {
+    current_row = 0;
+    formation_offset_x += formation_direction;
+    if (formation_offset_x == 40) {
+      formation_direction = -1;
+    }
+    else if (formation_offset_x == 0) {
+      formation_direction = 1;
+    }
+  }
+}
+
+#define FLIPX 0x40
+#define FLIPY 0x80
+#define FLIPXY 0xc0
+
+const byte DIR_TO_CODE[32] = {
+  0, 1, 2, 3, 4, 5, 6, 6,
+  6|FLIPXY, 6|FLIPXY, 5|FLIPXY, 4|FLIPXY, 3|FLIPXY, 2|FLIPXY, 1|FLIPXY, 0|FLIPXY,
+  0|FLIPX, 1|FLIPX, 2|FLIPX, 3|FLIPX, 4|FLIPX, 5|FLIPX, 6|FLIPX, 6|FLIPX,
+  6|FLIPY, 6|FLIPY, 5|FLIPY, 4|FLIPY, 3|FLIPY, 2|FLIPY, 1|FLIPY, 0|FLIPY,
+};
+
+const byte SINTBL[32] = {
+  0, 25, 49, 71, 90, 106, 117, 125,
+  127, 125, 117, 106, 90, 71, 49, 25,
+  0, -25, -49, -71, -90, -106, -117, -125,
+  -127, -125, -117, -106, -90, -71, -49, -25,
+};
+
+signed char isin(byte dir) {
+  return SINTBL[dir & 31];
+}
+
+signed char icos(byte dir) {
+  return isin(dir+8);
+}
+
+#define FORMATION_X0 18
+#define FORMATION_Y0 27
+#define FORMATION_XSPACE 24
+#define FORMATION_YSPACE 16
+
+byte get_attacker_x(byte formation_index) {
+  byte column = (formation_index % ENEMIES_PER_ROW);
+  return FORMATION_XSPACE*column + FORMATION_X0 + formation_offset_x;
+}
+
+byte get_attacker_y(byte formation_index) {
+  byte row = formation_index / ENEMIES_PER_ROW;
+  return FORMATION_YSPACE*row + FORMATION_Y0;
+}
+
+void draw_attacker(byte i) {
+  AttackingEnemy* a = &attackers[i];
+  if (a->findex) {
+    byte code = DIR_TO_CODE[a->dir & 31];
+    sprites[i].code = code + a->shape + 14;
+    sprites[i].xpos = a->x >> 8;
+    sprites[i].ypos = a->y >> 8;
+    sprites[i].color = 2;
+  } else {
+    sprites[i].ypos = 255; // offscreen
+  }
+}
+
+void draw_attackers() {
+  byte i;
+  for (i=0; i<MAX_ATTACKERS; i++) {
+    draw_attacker(i);
+  }
+}
+
+void return_attacker(AttackingEnemy* a) {
+  byte fi = a->findex-1;
+  byte destx = get_attacker_x(fi);
+  byte desty = get_attacker_y(fi);
+  byte ydist = desty - (a->y >> 8);
+  // are we close to our formation slot?
+  if (ydist == 0) {
+    // convert back to formation enemy
+    formation[fi].shape = a->shape;
+    a->findex = 0;
+  } else {
+    a->dir = (ydist + 16) & 31;
+    a->x = destx << 8;
+    a->y += 128;
+  }
+}
+
+void fly_attacker(AttackingEnemy* a) {
+  a->x += isin(a->dir) * 2;
+  a->y += icos(a->dir) * 2;
+  if ((a->y >> 8) == 0) {
+    a->returning = 1;
+  }
+}
+
+void move_attackers() {
+  byte i;
+  for (i=0; i<MAX_ATTACKERS; i++) {
+    AttackingEnemy* a = &attackers[i];
+    if (a->findex) {
+      if (a->returning)
+        return_attacker(a);
+      else
+        fly_attacker(a);
+    }
+  }
+}
+
+void think_attackers() {
+  byte i;
+  for (i=0; i<MAX_ATTACKERS; i++) {
+    AttackingEnemy* a = &attackers[i];
+    if (a->findex) {
+      // rotate?
+      byte x = a->x >> 8;
+      byte y = a->y >> 8;
+      // don't shoot missiles after player exploded
+      if (y < 128 || player_exploding) {
+        if (x < 112) {
+          a->dir++;
+        } else {
+          a->dir--;
+        }
+      } else {
+        // lower half of screen
+        // shoot a missile?
+        if (missiles[i].ypos == 0) {
+          missiles[i].ypos = 245-y;
+          missiles[i].xpos = x+8;
+          missiles[i].dy = -2;
+        }
+      }
+    }
+  }
+}
+
+void formation_to_attacker(byte formation_index) {
+  byte i;
+  // out of bounds? return
+  if (formation_index >= MAX_IN_FORMATION)
+    return;
+  // nobody in formation? return
+  if (!formation[formation_index].shape)
+    return;
+  // find an empty attacker slot
+  for (i=0; i<MAX_ATTACKERS; i++) {
+    AttackingEnemy* a = &attackers[i];
+    if (a->findex == 0) {
+      a->x = get_attacker_x(formation_index) << 8;
+      a->y = get_attacker_y(formation_index) << 8;
+      a->shape = formation[formation_index].shape;
+      a->findex = formation_index+1;
+      a->dir = 0;
+      a->returning = 0;
+      formation[formation_index].shape = 0;
+      break;
+    }
+  }
+}
+
+void draw_player() {
+  columns[29].attrib = 1;
+  columns[30].attrib = 1;
+  vram[30][29] = 0x60;
+  vram[31][29] = 0x62;
+  vram[30][30] = 0x61;
+  vram[31][30] = 0x63;
+}
+
+void move_player() {
+  if (LEFT1 && player_x > 16) player_x--;
+  if (RIGHT1 && player_x < 224) player_x++;
+  if (FIRE1 && missiles[7].ypos == 0) {
+    missiles[7].ypos = 252-player_y; // must be multiple of missile speed
+    missiles[7].xpos = player_x+8; // player X position
+    missiles[7].dy = 4; // player missile speed
+  }
+  columns[29].scroll = player_x;
+  columns[30].scroll = player_x;
+}
+
+void move_missiles() {
+  byte i;
+  for (i=0; i<8; i++) { 
+    if (missiles[i].ypos) {
+      // hit the bottom or top?
+      if ((byte)(missiles[i].ypos += missiles[i].dy) < 4) {
+        missiles[i].xpos = 0xff; // hide offscreen
+        missiles[i].ypos = 0;
+      }
+    }
+  }
+}
+
+void blowup_at(byte x, byte y) {
+  sprites[6].color = 1;
+  sprites[6].code = 28;
+  sprites[6].xpos = x;
+  sprites[6].ypos = y;
+}
+
+void animate_enemy_explosion() {
+  if (sprites[6].ypos != 0xff) {
+    if (sprites[6].code == 31) {
+      sprites[6].ypos = 0xff;
+    } else {
+      sprites[6].code++;
+    }
+  }
+}
+
+void animate_player_explosion() {
+  byte z = player_exploding;
+  if (z <= 5) {
+    if (z == 5) {
+      // erase explosion
+      memset(&vram[29][28], BLANK, 4);
+      memset(&vram[30][28], BLANK, 4);
+      memset(&vram[31][28], BLANK, 4);
+      memset(&vram[0][28], BLANK, 4);
+    } else {
+      // draw explosion
+      z = 0xb0 + (z<<4);
+      columns[28].scroll = player_x;
+      columns[31].scroll = player_x;
+      columns[28].attrib = 2;
+      columns[29].attrib = 2;
+      columns[30].attrib = 2;
+      columns[31].attrib = 2;
+      vram[29][28] = z+0x0;
+      vram[29][29] = z+0x1;
+      vram[29][30] = z+0x4;
+      vram[29][31] = z+0x5;
+      vram[30][28] = z+0x2;
+      vram[30][29] = z+0x3;
+      vram[30][30] = z+0x6;
+      vram[30][31] = z+0x7;
+      vram[31][28] = z+0x8;
+      vram[31][29] = z+0x9;
+      vram[31][30] = z+0xc;
+      vram[31][31] = z+0xd;
+      vram[0][28] = z+0xa;
+      vram[0][29] = z+0xb;
+      vram[0][30] = z+0xe;
+      vram[0][31] = z+0xf;
+    }
+  }
+}
+
+void hide_player_missile() {
+  missiles[7].ypos = 0;
+  missiles[7].xpos = 0xff;
+}
+
+void does_player_shoot_formation() {
+  byte mx = missiles[7].xpos;
+  byte my = 255 - missiles[7].ypos; // missiles are Y-backwards
+  signed char row = (my - FORMATION_Y0) / FORMATION_YSPACE;
+  if (row >= 0 && row < ENEMY_ROWS) {
+    // ok if unsigned (in fact, must be due to range)
+    byte xoffset = mx - FORMATION_X0 - formation_offset_x;
+    byte column = xoffset / FORMATION_XSPACE;
+    byte localx = xoffset - column * FORMATION_XSPACE;
+    if (column < ENEMIES_PER_ROW && localx < 16) {
+      char index = column + row * ENEMIES_PER_ROW;
+      if (formation[index].shape) {
+        formation[index].shape = 0;
+        enemies_left--;
+        blowup_at(get_attacker_x(index), get_attacker_y(index));
+        hide_player_missile();
+        add_score(2);
+      }
+    }
+  }
+}
+
+void does_player_shoot_attacker() {
+  byte mx = missiles[7].xpos;
+  byte my = 255 - missiles[7].ypos; // missiles are Y-backwards
+  byte i;
+  for (i=0; i<MAX_ATTACKERS; i++) {
+    AttackingEnemy* a = &attackers[i];
+    if (a->findex && in_rect(mx, my, a->x >> 8, a->y >> 8, 16, 16)) {
+      blowup_at(a->x >> 8, a->y >> 8);
+      a->findex = 0;
+      enemies_left--;
+      hide_player_missile();
+      add_score(5);
+      break;
+    }
+  }
+}
+
+void does_missile_hit_player() {
+  byte i;
+  if (player_exploding)
+    return;
+  for (i=0; i<MAX_ATTACKERS; i++) {
+    if (missiles[i].dy && 
+        in_rect(missiles[i].xpos, 255-missiles[i].ypos, 
+                player_x, player_y, 16, 16)) {
+      player_exploding = 1;
+      break;
+    }
+  }
+}
+
+void new_attack_wave() {
+  byte i = rand();
+  byte j;
+  // find a random slot that has an enemy
+  for (j=0; j<MAX_IN_FORMATION; j++) {
+    i = (i+1) & (MAX_IN_FORMATION-1);
+    // anyone there?
+    if (formation[i].shape) {
+      formation_to_attacker(i);
+      formation_to_attacker(i+1);
+      formation_to_attacker(i+ENEMIES_PER_ROW);
+      formation_to_attacker(i+ENEMIES_PER_ROW+1);
+      break;
+    }
+  }
+}
+
+void new_player_ship() {
+  player_exploding = 0;
+  draw_player();
+  player_x = 112;
+}
+
+void wait_for_frame() {
+  while (video_framecount == (byte)(framecount)) ;
+}
+
+void play_round() {
+  byte end_timer = 255;
+  player_score = 0;
+  add_score(0);
+  putstring(0, 0, "PLAYER 1");
+  setup_formation();
+  formation_direction = 1;
+  missile_width = 4;
+  missile_offset = 0;
+  reset_video_framecount();
+  framecount = 0;
+  new_player_ship();
+  while (end_timer) {
+    if (player_exploding) {
+      if ((framecount & 7) == 1) {
+        animate_player_explosion();
+        if (++player_exploding > 32 && enemies_left) {
+          new_player_ship();
+        }
+      }
+    } else {
+      if ((framecount & 0x7f) == 0 && enemies_left > 8) {
+        new_attack_wave();
+      }
+      move_player();
+      does_missile_hit_player();
+    }
+    if ((framecount & 3) == 0) animate_enemy_explosion();
+    move_attackers();
+    move_missiles();
+    does_player_shoot_formation();
+    does_player_shoot_attacker();
+    draw_next_row();
+    draw_attackers();
+    if ((framecount & 0xf) == 0) think_attackers();
+    framecount++;
+    watchdog++;
+    if (!enemies_left) end_timer--;
+    wait_for_frame();
+  }
+}
+
+void main() {
+  clrscr();
+  clrobjs();
+  enable_stars = 0xff;
+  enable_irq = 1;
+  play_round();
+  main();
+}
diff --git a/src/platform/galaxian.js b/src/platform/galaxian.js
index b6855326..5ececa79 100644
--- a/src/platform/galaxian.js
+++ b/src/platform/galaxian.js
@@ -2,7 +2,7 @@
 
 var GALAXIAN_PRESETS = [
   {id:'gfxtest.c', name:'Graphics Test'},
-  {id:'game1.c', name:'Shoot-em-up Game'},
+  {id:'shoot2.c', name:'Shoot-em-up Game'},
 ];
 
 var GALAXIAN_KEYCODE_MAP = makeKeycodeMap([
diff --git a/tools/parsebdf8.py b/tools/parsebdf8.py
index ede459b7..4465d1de 100755
--- a/tools/parsebdf8.py
+++ b/tools/parsebdf8.py
@@ -66,6 +66,7 @@ def tohex2(v):
 
 for arr in [output,revoutput,invoutput,rotoutput,rot2output]:
     print '\thex ' + string.join(map(tohex,arr),'')
+    print string.join(map(tohex2,arr),',')
     for i in range(0,len(output),height):
         print '{', string.join(map(tohex2,arr[i:i+height]),','), '},',
     print