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added cx16.kbdbuf_clear()

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Irmen de Jong 2022-09-01 18:34:06 +02:00
parent c6c5ff2089
commit 3ab5e5ac48
1 changed files with 10 additions and 0 deletions
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compiler/res/prog8lib/cx16/syslib.p8
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@ -369,6 +369,7 @@ romsub $ff4d = clock_set_date_time(uword yearmonth @R0, uword dayhours @R1, uwor
romsub $ff50 = clock_get_date_time() clobbers(A, X, Y) -> uword @R0, uword @R1, uword @R2, ubyte @R3 ; result registers see clock_set_date_time()
; keyboard, mouse, joystick
; note: also see the kbdbuf_clear() helper routine below!
romsub $febd = kbdbuf_peek() -> ubyte @A, ubyte @X ; key in A, queue length in X
romsub $febd = kbdbuf_peek2() -> uword @AX ; alternative to above to not have the hassle to deal with multiple return values
romsub $fec0 = kbdbuf_get_modifiers() -> ubyte @A
@ -380,6 +381,15 @@ romsub $ff53 = joystick_scan() clobbers(A, X, Y)
romsub $ff56 = joystick_get(ubyte joynr @A) -> ubyte @A, ubyte @X, ubyte @Y
romsub $ff56 = joystick_get2(ubyte joynr @A) clobbers(Y) -> uword @AX ; alternative to above to not have the hassle to deal with multiple return values
asmsub kbdbuf_clear() {
; -- convenience helper routine to clear the keyboard buffer
%asm {{
- jsr c64.GETIN
bne -
rts
}}
}
asmsub mouse_config2(ubyte shape @A) clobbers (A, X, Y) {
; -- convenience wrapper function that handles the screen resolution for mouse_config() for you
%asm {{