| 2ee739cc |
1 | /* |
| 2 | * event.h |
| 3 | * |
| 4 | * [Generated from event, 25 September 1996] |
| 5 | */ |
| 6 | |
| 7 | #if !defined(__CC_NORCROFT) || !defined(__arm) |
| 8 | #error You must use the Norcroft ARM Compiler for Sapphire programs |
| 9 | #endif |
| 10 | |
| 11 | #pragma include_only_once |
| 12 | #pragma force_top_level |
| 13 | |
| 14 | #ifndef __event_h |
| 15 | #define __event_h |
| 16 | |
| 17 | #ifndef __sapphire_h |
| 18 | #include "sapphire.h" |
| 19 | #endif |
| 20 | |
| 21 | /*----- Overview ----------------------------------------------------------* |
| 22 | * |
| 23 | * Functions provided: |
| 24 | * |
| 25 | * event_preFilter |
| 26 | * event_fakeHandler |
| 27 | * event_postFilter |
| 28 | * event_poll |
| 29 | * event_last |
| 30 | * event_init |
| 31 | */ |
| 32 | |
| 33 | /* --- event_preFilter --- * |
| 34 | * |
| 35 | * On entry: R0 == pointer to routine to call |
| 36 | * R1 == R12 value to call routine |
| 37 | * |
| 38 | * On exit: May return an error |
| 39 | * |
| 40 | * Use: Adds a routine to the pre-filter list. Later added |
| 41 | * routines are called first. |
| 42 | */ |
| 43 | |
| 44 | extern routine event_preFilter; |
| 45 | |
| 46 | /* --- event_fakeHandler --- * |
| 47 | * |
| 48 | * On entry: R0 == pointer to routine to call |
| 49 | * R1 == R12 value to call routine |
| 50 | * |
| 51 | * On exit: May return an error |
| 52 | * |
| 53 | * Use: Adds a routine to the fake handler list. Later added |
| 54 | * routines are called first. |
| 55 | */ |
| 56 | |
| 57 | extern routine event_fakeHandler; |
| 58 | |
| 59 | /* --- event_postFilter --- * |
| 60 | * |
| 61 | * On entry: R0 == pointer to routine to call |
| 62 | * R1 == R12 value to call routine |
| 63 | * |
| 64 | * On exit: May return an error |
| 65 | * |
| 66 | * Use: Adds a routine to the post-poll list. Later added |
| 67 | * routines are called first. |
| 68 | */ |
| 69 | |
| 70 | extern routine event_postFilter; |
| 71 | |
| 72 | /* --- event_poll --- * |
| 73 | * |
| 74 | * On entry: R0 == event mask and flags |
| 75 | * R1 == pointer to block to use |
| 76 | * R2 == earliest time to return with NULL event |
| 77 | * R3 == optional pointer to poll word |
| 78 | * |
| 79 | * On exit: R0 == reason code |
| 80 | * CS if the event was claimed, CC otherwise |
| 81 | * |
| 82 | * Use: This call perform a Wimp_Poll, and dispatches events to |
| 83 | * interested parties. |
| 84 | */ |
| 85 | |
| 86 | extern routine event_poll; |
| 87 | |
| 88 | /* --- event_last --- * |
| 89 | * |
| 90 | * On entry: -- |
| 91 | * |
| 92 | * On exit: R0 == last event code received from Wimp_Poll |
| 93 | * R1 == pointer to accompanying event data |
| 94 | * |
| 95 | * Use: Allows you to read the full event information. The event |
| 96 | * is the same one currently being or most recently dispatched |
| 97 | * to the postfilter list, i.e. fake events are also returned |
| 98 | * by this call. If no event has yet been received, the return |
| 99 | * values are undefined. |
| 100 | */ |
| 101 | |
| 102 | extern routine event_last; |
| 103 | |
| 104 | /* --- event_init --- * |
| 105 | * |
| 106 | * On entry: -- |
| 107 | * |
| 108 | * On exit: -- |
| 109 | * |
| 110 | * Use: Initialises the event system. |
| 111 | */ |
| 112 | |
| 113 | extern routine event_init; |
| 114 | |
| 115 | /*----- That's all, folks -------------------------------------------------*/ |
| 116 | |
| 117 | #endif |
~mdw / ssr / blame