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update some comments about screen holes

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This commit is contained in:
4am 2021-12-13 15:29:14 -05:00
parent 79bedb697c
commit 139fc8fa3e
4 changed files with 6 additions and 6 deletions
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6
src/constants.a
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@ -35,7 +35,7 @@
; MAIN MEMORY DURING MEGA-ATTRACT MODE
; 0100..0105 - re-entry code for demos (reloaded before demo)
; 0106..01BF - prelaunch code (reloaded before demo)
; 0400..07FF - text screen (cleared before each module, screen holes preserved)
; 0400..07FF - text screen (cleared before each module)
; 0800..1EFF - slideshow configuration file (persistent during slideshow module)
; 2000..5FFF - hi-res screens (cleared before each module)
; 4000..5FFF - slideshow index file (loaded before slideshow module)
@ -46,7 +46,7 @@
; MAIN MEMORY DURING MINI-ATTRACT MODE
; 0100..0105 - re-entry code for demos (reloaded before demo)
; 0106..01BF - prelaunch code (reloaded before demo)
; 0400..07FF - text screen (cleared before each module, screen holes preserved)
; 0400..07FF - text screen (cleared before each module)
; 0800..1FFF - mini-attract index file (loaded once)
; 2000..5FFF - hi-res screens
; 6000.. - mini-attract configuration file (reloaded before each module)
@ -56,7 +56,7 @@
; MAIN MEMORY DURING GAME LAUNCH
; 0100..0105 - re-entry code
; 0106..01BF - prelaunch code
; 0400..7FFF - text screen cleared (screen holes preserved)
; 0400..7FFF - text screen cleared
; 2000..5FFF - hi-res screens cleared
; A000.. - prelaunch index file
;

2
src/ui.attract.dhgr.a
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@ -82,7 +82,7 @@ DHGRSingle
; clear and show HGR page 1 without flickering
;
; in: none
; out: text page clobbered (but screen holes preserved)
; out: text page clobbered
; A/X/Y=0 (guaranteed by ClearHGR1)
; $2000..$3FFF cleared
;------------------------------------------------------------------------------

2
src/ui.attract.shr.a
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@ -144,7 +144,7 @@ IndexedSHRFilename
; NOTE: THIS ROUTINE WILL CRASH ON AN APPLE //C due to writing to $C029,
; so it is imperative that the caller ensures the machine type.
; Thanks to John Brooks for explaining all of this to me. Twice.
; out: text page clobbered (but screen holes preserved)
; out: text page clobbered
; $2000..$9FFF/aux cleared
;------------------------------------------------------------------------------
BlankSHR

2
src/ui.common.a
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@ -59,7 +59,7 @@ Home
; clear and show DHGR page 1 without flickering
;
; in: none
; out: text page clobbered (but screen holes preserved)
; out: text page clobbered
; $2000..$3FFF/main and /aux cleared
;------------------------------------------------------------------------------
BlankDHGR