Brandon
476588db62
- Provided an implementation for textcolor(char color) in conio.h - Updated the header to NES2.0 -Updated the .gitattributes to prefer LF line endings - Stored CHR-ROM in a binary file (instead of .byte commands) - Freed up some memory, increased the C stack size from $300 to $400 - Fixed issues #2989, #1570 - Fixed the first frame of startup displaying an uninitialized nametable - Fixed the conio peek functions causing graphical glitches - Made the waitvsync() function more robust - Various other code optimizations
38 lines
912 B
ArmAsm
38 lines
912 B
ArmAsm
;
|
|
; Written by Groepaz/Hitmen <groepaz@gmx.net>
|
|
; Cleanup by Ullrich von Bassewitz <uz@cc65.org>
|
|
; Rewritten by Brandon Woodward
|
|
;
|
|
; Set the cursor position and screen position
|
|
|
|
.export setcursor_pos, setcursor_posx, setcursor_screenptr
|
|
.export setcursor_screenptr
|
|
|
|
.include "nes.inc"
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
;y+(++x*32)+$2000
|
|
setcursor_pos:
|
|
STX CURS_Y
|
|
setcursor_posx:
|
|
STY CURS_X ; Fallthrough
|
|
|
|
.proc setcursor_screenptr
|
|
|
|
sty SCREEN_PTR ; Target val: --1000xx xxxyyyyy
|
|
inx
|
|
txa
|
|
sec
|
|
ror A
|
|
ror A
|
|
ror a
|
|
sta SCREEN_PTR+1 ; Contains garbage in the most significant 2 bits
|
|
and #%11000000
|
|
ROR A
|
|
adc SCREEN_PTR
|
|
sta SCREEN_PTR
|
|
rts
|
|
|
|
.endproc
|