Mercurial > public > mk2

comparison code_part1/OSTC_code_asm_part1/oled_samsung.asm @ 475:472bccc39aeb

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
some nops for read command
author heinrichsweikamp
date Sun, 09 Oct 2011 22:18:25 +0200
parents 05ec97e106da
children 0635fbb2fcf5
comparison
equal deleted inserted replaced
474:c083f5b9168c 475:472bccc39aeb
558 ; NOTE: you should "setf TRISD" before calling this function, 558 ; NOTE: you should "setf TRISD" before calling this function,
559 ; to make PortD an input port... 559 ; to make PortD an input port...
560 PLED_DataRead: 560 PLED_DataRead:
561 bsf oled_rs ; Data register. 561 bsf oled_rs ; Data register.
562 bcf oled_e_nwr ; Read enable. 562 bcf oled_e_nwr ; Read enable.
563 nop
564 nop
565 nop
566 nop
563 movf PORTD,W ; Read byte. 567 movf PORTD,W ; Read byte.
564 bsf oled_e_nwr ; release bus. 568 bsf oled_e_nwr ; release bus.
565 return 569 return
566 570
567 ; ----------------------------- 571 ; -----------------------------