From 11558e7a8d274e484f63304fd79664ce61a89720 Mon Sep 17 00:00:00 2001 From: Duncan Smith Date: Sun, 20 Jun 2010 19:38:40 -0700 Subject: Added asm file to do video stuff, renamed storage to fit --- video.asm | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 video.asm (limited to 'video.asm') diff --git a/video.asm b/video.asm new file mode 100644 index 0000000..b47d06c --- /dev/null +++ b/video.asm @@ -0,0 +1,21 @@ + + +video_row: dc.b 0 ; $01 if in row mode - x + ; $00 if in column mode - y +video_increment: dc.b 0 ; $02 if in increment mode + ; $00 if in decrement mode +video_enabled: dc.b 0 ; $20 if screen is blanked +video_6bit: dc.b 0 ; $40 if in 8 bit mode, $00 if in 6 + ; bit mode +video_busy: dc.b 0 ; always 0 + +video_cur_row: dc.b 0 +video_cur_col: dc.b 0 + + EVEN + +video_read: + rts + +video_write: + rts -- cgit v1.2.3