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IIgs: Restore Color DHR when exiting.

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This commit is contained in:
Joshua Bell 2018-11-16 20:38:25 -08:00
parent 1f70bcd7f1
commit e4c68af91e
1 changed files with 36 additions and 27 deletions
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63
desktop/desktop_main.s
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@ -2094,24 +2094,14 @@ start:
;; Restore machine to text state
sta ALTZPOFF
lda ROMIN2
jsr SETVID
jsr SETKBD
jsr INIT
jsr HOME
sta TXTSET
sta LOWSCR
sta LORES
sta MIXCLR
sta DHIRESOFF
sta CLRALTCHAR
sta CLR80VID
sta CLR80COL
jsr exit_dhr_mode
MLI_CALL QUIT, quit_params
.endproc
cmd_quit := cmd_quit_impl::start
PAD_TO $50F9 ; Maintain previous addresses
;;; ============================================================
.proc cmd_view_by_icon
@ -3390,19 +3380,7 @@ L5AD0: .byte 0
;; also invoked by launcher code
.proc reset_and_invoke
sta ALTZPOFF
lda ROMIN2
jsr SETVID
jsr SETKBD
jsr INIT
jsr HOME
sta TXTSET
sta LOWSCR
sta LORES
sta MIXCLR
sta DHIRESOFF
sta CLRALTCHAR
sta CLR80VID
sta CLR80COL
jsr exit_dhr_mode
;; also used by launcher code
target := *+1
@ -3410,6 +3388,7 @@ L5AD0: .byte 0
.endproc
reset_and_invoke_target := reset_and_invoke::target
PAD_TO $5B1B ; Maintain previous addresses
;;; ============================================================
@ -14304,6 +14283,36 @@ reset_grafport3a:
rts
.assert * = $BEC4, error, "Segment length mismatch"
;;; ============================================================
;;; Invoked when exiting or launching another program.
.proc exit_dhr_mode
lda ROMIN2
jsr SETVID
jsr SETKBD
jsr INIT
jsr HOME
sta TXTSET
sta LOWSCR
sta LORES
sta MIXCLR
sta DHIRESOFF
sta CLRALTCHAR
sta CLR80VID
sta CLR80COL
;; On IIgs (only), restore DHR Color mode
sec
jsr ID_BYTE_FE1F
bcs done
lda NEWVIDEO
ora #<~(1<<5) ; Color
sta NEWVIDEO
done: rts
.endproc
PAD_TO $BF00
.endproc ; desktop_main
@ -14392,7 +14401,7 @@ iigs_flag: ; High bit set if IIgs detected.
;; Skip on IIgs since emulators (KEGS/GSport/GSplus) crash.
sta HR2_ON
sta HR3_ON
bmi end
bpl end
;; Force B&W mode on the IIgs
iigs: lda NEWVIDEO