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- #ifndef hourglass_H
- #define hourglass_H
-
- /* C header file for Hourglass
- * written by DefMod (Jul 24 1995) on Tue Aug 29 10:37:29 1995
- * Jonathan Coxhead, Acorn Computers Ltd
- */
-
- #ifndef types_H
- #include "types.h"
- #endif
-
- #ifndef os_H
- #include "os.h"
- #endif
-
- /**********************************
- * SWI names and SWI reason codes *
- **********************************/
- #undef Hourglass_On
- #define Hourglass_On 0x406C0
- #undef XHourglass_On
- #define XHourglass_On 0x606C0
- #undef Hourglass_Off
- #define Hourglass_Off 0x406C1
- #undef XHourglass_Off
- #define XHourglass_Off 0x606C1
- #undef Hourglass_Smash
- #define Hourglass_Smash 0x406C2
- #undef XHourglass_Smash
- #define XHourglass_Smash 0x606C2
- #undef Hourglass_Start
- #define Hourglass_Start 0x406C3
- #undef XHourglass_Start
- #define XHourglass_Start 0x606C3
- #undef Hourglass_Percentage
- #define Hourglass_Percentage 0x406C4
- #undef XHourglass_Percentage
- #define XHourglass_Percentage 0x606C4
- #undef Hourglass_LEDs
- #define Hourglass_LEDs 0x406C5
- #undef XHourglass_LEDs
- #define XHourglass_LEDs 0x606C5
- #undef Hourglass_Colours
- #define Hourglass_Colours 0x406C6
- #undef XHourglass_Colours
- #define XHourglass_Colours 0x606C6
-
- /*************************
- * Function declarations *
- *************************/
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_on()
- *
- * Description: Turns on the hourglass
- *
- * Other notes: Calls SWI 0x406C0.
- */
-
- extern os_error *xhourglass_on (void);
- __swi (0x406C0) void hourglass_on (void);
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_off()
- *
- * Description: Turns off the hourglass
- *
- * Other notes: Calls SWI 0x406C1.
- */
-
- extern os_error *xhourglass_off (void);
- __swi (0x406C1) void hourglass_off (void);
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_smash()
- *
- * Description: Turns off the hourglass immediately
- *
- * Other notes: Calls SWI 0x406C2.
- */
-
- extern os_error *xhourglass_smash (void);
- __swi (0x406C2) void hourglass_smash (void);
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_start()
- *
- * Description: Turns on the hourglass after a given delay
- *
- * Input: delay - value of R0 on entry
- *
- * Other notes: Calls SWI 0x406C3.
- */
-
- extern os_error *xhourglass_start (int delay);
- __swi (0x406C3) void hourglass_start (int delay);
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_percentage()
- *
- * Description: Displays a percentage below the hourglass
- *
- * Input: percent - value of R0 on entry
- *
- * Other notes: Calls SWI 0x406C4.
- */
-
- extern os_error *xhourglass_percentage (int percent);
- __swi (0x406C4) void hourglass_percentage (int percent);
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_leds()
- *
- * Description: Controls the display indicators above and below the
- * hourglass
- *
- * Input: eor_mask - value of R0 on entry
- * and_mask - value of R1 on entry
- *
- * Output: old_leds - value of R0 on exit (X version only)
- *
- * Returns: R0 (non-X version only)
- *
- * Other notes: Calls SWI 0x406C5.
- */
-
- extern os_error *xhourglass_leds (bits eor_mask,
- bits and_mask,
- bits *old_leds);
- __swi (0x406C5) bits hourglass_leds (bits eor_mask,
- bits and_mask);
-
- /* ------------------------------------------------------------------------
- * Function: hourglass_colours()
- *
- * Description: Sets the colours used to display the hourglass
- *
- * Input: sand - value of R0 on entry
- * glass - value of R1 on entry
- *
- * Output: old_sand - value of R0 on exit
- * old_glass - value of R1 on exit
- *
- * Other notes: Calls SWI 0x406C6.
- */
-
- extern os_error *xhourglass_colours (os_colour sand,
- os_colour glass,
- os_colour *old_sand,
- os_colour *old_glass);
- extern void hourglass_colours (os_colour sand,
- os_colour glass,
- os_colour *old_sand,
- os_colour *old_glass);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
-