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.include "xc.inc"
.text ;BP (put the following data in ROM(program memory))
; This is a library, thus it can *not* contain a _main function: the C file will
; define main(). However, we
; we will need a .global statement to make available ASM functions to C code.
; All functions utilized outside of this file will need to have a leading
; underscore (_) and be included in a comment delimited list below.
.global _write_0, _write_1, _wait_100us, _wait_1ms
_wait_100us:
repeat #1593
nop
return
_wait_1ms:
repeat #15993
nop
return
_write_0: ;2 cycles for function call
inc LATA ;1
repeat #2 ;1 for load
nop ;2+1=3 nop
clr LATA ;1
repeat #6 ;1 for load
nop ;1+6=7 nop
return ;3 return
_write_1: ;2 cycle call
inc LATA ;1
repeat #8 ;1 load
nop ;1+9=10 nop
clr LATA ;1
nop ;1
nop ;1
return ;3 return
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