From d90c75703d7a9ca53fded2a40fa35344279ed843 Mon Sep 17 00:00:00 2001 From: "B. Watson" Date: Wed, 6 Jan 2016 04:04:57 -0500 Subject: document the compression before I forget --- newtitle.s | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) (limited to 'newtitle.s') diff --git a/newtitle.s b/newtitle.s index 9eef9ed..0d66fa2 100644 --- a/newtitle.s +++ b/newtitle.s @@ -36,6 +36,8 @@ start: lda #0 sta SDMCTL + ; build our display list + ; wait for the next frame, to avoid graphics glitching jsr wait1jiffy @@ -80,24 +82,7 @@ keyok: ; eat the keypress lda #$ff sta CH - - ; restore OS's display list - ;lda #0 - ;sta SDMCTL ; disable screen again - ;lda FR0 - ;sta SDLSTL - ;lda FR0+1 - ;sta SDLSTH - - ;jsr wait1jiffy - - ; switch to normal playfield, enable screen. this is now - ; done in atari_text_setup() in taipan.c, so the title screen - ; can keep displaying. - ;lda #$22 - ;sta SDMCTL - - rts ; return to DOS + rts ; return to DOS (which loads the rest of the game) wait1jiffy: lda RTCLOK+2 -- cgit v1.2.3