| 1 | /* xscreensaver, Copyright (c) 1998-2003 Jamie Zawinski <jwz@jwz.org> |
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| 2 | * |
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| 3 | * Permission to use, copy, modify, distribute, and sell this software and its |
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| 4 | * documentation for any purpose is hereby granted without fee, provided that |
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| 5 | * the above copyright notice appear in all copies and that both that |
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| 6 | * copyright notice and this permission notice appear in supporting |
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| 7 | * documentation. No representations are made about the suitability of this |
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| 8 | * software for any purpose. It is provided "as is" without express or |
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| 9 | * implied warranty. |
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| 10 | * |
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| 11 | * Apple ][ CRT simulator, by Trevor Blackwell <tlb@tlb.org> |
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| 12 | * with additional work by Jamie Zawinski <jwz@jwz.org> |
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| 13 | */ |
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| 14 | |
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| 15 | #ifndef __XSCREENSAVER_APPLE_II__ |
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| 16 | #define __XSCREENSAVER_APPLE_II__ |
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| 17 | |
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| 18 | #include "analogtv.h" |
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| 19 | |
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| 20 | |
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| 21 | typedef struct apple2_state { |
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| 22 | u_char hireslines[192][40]; |
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| 23 | u_char textlines[24][40]; |
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| 24 | int gr_text; |
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| 25 | enum { |
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| 26 | A2_GR_FULL=1, |
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| 27 | A2_GR_LORES=2, |
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| 28 | A2_GR_HIRES=4 |
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| 29 | } gr_mode; |
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| 30 | int cursx; |
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| 31 | int cursy; |
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| 32 | int blink; |
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| 33 | |
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| 34 | } apple2_state_t; |
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| 35 | |
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| 36 | |
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| 37 | typedef struct apple2_sim_s { |
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| 38 | |
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| 39 | void *controller_data; |
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| 40 | |
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| 41 | apple2_state_t *st; |
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| 42 | |
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| 43 | analogtv *dec; |
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| 44 | analogtv_input *inp; |
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| 45 | analogtv_reception reception; |
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| 46 | |
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| 47 | char *typing; |
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| 48 | char typing_buf[1024]; |
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| 49 | double typing_rate; |
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| 50 | |
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| 51 | char *printing; |
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| 52 | char printing_buf[1024]; |
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| 53 | |
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| 54 | char prompt; |
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| 55 | |
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| 56 | Display *dpy; |
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| 57 | Window window; |
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| 58 | XWindowAttributes xgwa; |
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| 59 | XImage *text_im; |
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| 60 | |
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| 61 | struct timeval basetime_tv; |
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| 62 | double curtime; |
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| 63 | double delay; |
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| 64 | } apple2_sim_t; |
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| 65 | |
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| 66 | |
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| 67 | enum { |
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| 68 | A2_HCOLOR_BLACK=0, |
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| 69 | A2_HCOLOR_GREEN=1, |
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| 70 | A2_HCOLOR_PURPLE=2, |
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| 71 | A2_HCOLOR_WHITE=3, |
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| 72 | A2_HCOLOR_ALTBLACK=4, |
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| 73 | A2_HCOLOR_RED=5, |
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| 74 | A2_HCOLOR_BLUE=6, |
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| 75 | A2_HCOLOR_ALTWHITE=7 |
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| 76 | }; |
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| 77 | |
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| 78 | enum { |
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| 79 | A2CONTROLLER_DONE=-1, |
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| 80 | A2CONTROLLER_FREE=-2 |
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| 81 | }; |
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| 82 | |
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| 83 | extern void |
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| 84 | apple2(Display *dpy, Window window, int delay, |
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| 85 | void (*)(apple2_sim_t *sim, int *stepno, double *next_actiontime)); |
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| 86 | |
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| 87 | |
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| 88 | void a2_poke(apple2_state_t *st, int addr, int val); |
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| 89 | void a2_goto(apple2_state_t *st, int r, int c); |
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| 90 | void a2_cls(apple2_state_t *st); |
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| 91 | void a2_invalidate(apple2_state_t *st); |
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| 92 | |
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| 93 | void a2_add_disk_item(apple2_state_t *st, char *name, u_char *data, |
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| 94 | int len, char type); |
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| 95 | void a2_scroll(apple2_state_t *st); |
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| 96 | void a2_printc(apple2_state_t *st, char c); |
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| 97 | void a2_prints(apple2_state_t *st, char *s); |
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| 98 | void a2_goto(apple2_state_t *st, int r, int c); |
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| 99 | void a2_cls(apple2_state_t *st); |
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| 100 | void a2_clear_hgr(apple2_state_t *st); |
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| 101 | void a2_clear_gr(apple2_state_t *st); |
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| 102 | void a2_invalidate(apple2_state_t *st); |
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| 103 | void a2_poke(apple2_state_t *st, int addr, int val); |
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| 104 | void a2_display_image_loading(apple2_state_t *st, unsigned char *image, |
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| 105 | int lineno); |
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| 106 | void a2_init_memory_active(apple2_sim_t *sim); |
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| 107 | void a2_hplot(apple2_state_t *st, int hcolor, int x, int y); |
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| 108 | void a2_hline(apple2_state_t *st, int hcolor, int x1, int y1, int x2, int y2); |
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| 109 | void a2_plot(apple2_state_t *st, int color, int x, int y); |
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| 110 | |
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| 111 | #endif /* __XSCREENSAVER_APPLE_II__ */ |
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