1 files changed, 121 insertions, 0 deletions
diff --git a/hacks/apple2.h b/hacks/apple2.h
new file mode 100644
index 0000000..87f18a9
--- /dev/null
+++ b/hacks/apple2.h
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+/* xscreensaver, Copyright (c) 1998-2004 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ *
+ * Apple ][ CRT simulator, by Trevor Blackwell <tlb@tlb.org>
+ * with additional work by Jamie Zawinski <jwz@jwz.org>
+ */
+
+#ifndef __XSCREENSAVER_APPLE_II__
+#define __XSCREENSAVER_APPLE_II__
+
+#include "analogtv.h"
+
+typedef struct apple2_state {
+  unsigned char hireslines[192][40];
+  unsigned char textlines[24][40];
+  int gr_text;
+  enum {
+    A2_GR_FULL=1,
+    A2_GR_LORES=2,
+    A2_GR_HIRES=4
+  } gr_mode;
+  int cursx;
+  int cursy;
+  int blink;
+
+} apple2_state_t;
+
+
+typedef struct apple2_sim_s apple2_sim_t;
+struct apple2_sim_s {
+  
+  void *controller_data;
+
+  apple2_state_t *st;
+
+  analogtv *dec;
+  analogtv_input *inp;
+  analogtv_reception reception;
+
+  const char *typing;
+  char typing_buf[1024];
+  double typing_rate;
+
+  char *printing;
+  char printing_buf[1024];
+
+  char prompt;
+
+  Display *dpy;
+  Window window;
+  XWindowAttributes xgwa;
+  XImage *text_im;
+
+  struct timeval basetime_tv;
+  double curtime;
+  double delay;
+
+  int stepno;
+  double next_actiontime;
+  void (*controller)(apple2_sim_t *sim,
+                     int *stepno,
+                     double *next_actiontime);
+
+};
+
+
+enum {
+  A2_HCOLOR_BLACK=0,
+  A2_HCOLOR_GREEN=1,
+  A2_HCOLOR_PURPLE=2,
+  A2_HCOLOR_WHITE=3,
+  A2_HCOLOR_ALTBLACK=4,
+  A2_HCOLOR_RED=5,
+  A2_HCOLOR_BLUE=6,
+  A2_HCOLOR_ALTWHITE=7
+ };
+
+enum {
+  A2CONTROLLER_DONE=-1,
+  A2CONTROLLER_FREE=-2
+};
+
+
+extern apple2_sim_t * apple2_start (Display *, Window, int delay,
+                                    void (*)(apple2_sim_t *, int *stepno,
+                                             double *next_actiontime));
+extern int apple2_one_frame (apple2_sim_t *);
+
+
+void a2_poke(apple2_state_t *st, int addr, int val);
+void a2_goto(apple2_state_t *st, int r, int c);
+void a2_cls(apple2_state_t *st);
+void a2_invalidate(apple2_state_t *st);
+
+void a2_add_disk_item(apple2_state_t *st, char *name, unsigned char *data,
+                      int len, char type);
+void a2_scroll(apple2_state_t *st);
+void a2_printc(apple2_state_t *st, char c);
+void a2_printc_noscroll(apple2_state_t *st, char c);
+void a2_prints(apple2_state_t *st, char *s);
+void a2_goto(apple2_state_t *st, int r, int c);
+void a2_cls(apple2_state_t *st);
+void a2_clear_hgr(apple2_state_t *st);
+void a2_clear_gr(apple2_state_t *st);
+void a2_invalidate(apple2_state_t *st);
+void a2_poke(apple2_state_t *st, int addr, int val);
+void a2_display_image_loading(apple2_state_t *st, unsigned char *image,
+                              int lineno);
+void a2_init_memory_active(apple2_sim_t *sim);
+void a2_hplot(apple2_state_t *st, int hcolor, int x, int y);
+void a2_hline(apple2_state_t *st, int hcolor, int x1, int y1, int x2, int y2);
+void a2_plot(apple2_state_t *st, int color, int x, int y);
+
+#endif /* __XSCREENSAVER_APPLE_II__ */