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shave some bytes

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This commit is contained in:
Peter Ferrie 2019-10-09 19:21:46 -07:00
parent fc34a70810
commit ee89815f11
8 changed files with 23 additions and 22 deletions
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2
src/constants.a
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@ -9,7 +9,7 @@
; D000..E611 - persistent data structures (per-game cheat categories,
; gGlobalPrefsStore, gGamesListStore)
; ...unused...
; ECA6..FFF9 - main program code
; ECBB..FFF9 - main program code
; FFFA..FFFF - NMI, reset, IRQ vectors
;
; LC RAM BANK 2

2
src/glue.launch.a
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@ -85,7 +85,7 @@ PlayGame
jsr GetGameToLaunch
; A/Y = address of game filename
+STAY SAVE
+STAY @pfile ; assume we're loading a game-specific prelaunch file
+STAY @pfile
jsr ClearScreens ; avoid seeing code load into the HGR page
; (clobbers $106, must do now before loading prelaunch code)

9
src/ui.attract.dhgr.a
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@ -42,8 +42,7 @@ DHGRSingle
!word kRootDirectory
+ !word $FDFD ; SMC
jsr LoadDHGRTransition ; load transition effect code at $6000
+LDADDR $6000
jsr ExecuteTransitionAndWait
jsr ExecuteTransitionAt6000AndWait
; switch back to HGR mode with initial blank screen on exit
; /!\ execution falls through here to BlankHGR
;------------------------------------------------------------------------------
@ -142,8 +141,7 @@ DHGRTitleCallback
!word kDHGRTitleDirectory
+ !word $FDFD
+LDADDR $6000
jmp ExecuteTransitionAndWait
jmp ExecuteTransitionAt6000AndWait
;------------------------------------------------------------------------------
; DHGRActionCallback [private]
@ -175,5 +173,4 @@ DHGRActionCallback
!word kDHGRActionDirectory
+ !word $FDFD
+LDADDR $6000
; /!\ execution falls through to ui.wait/ExecuteTransitionAndWait
; /!\ execution falls through to ui.wait/ExecuteTransitionAt6000AndWait

6
src/ui.attract.gr.a
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@ -24,8 +24,7 @@ GRSingle
@fname !word $FDFD ; SMC
!word $6000
jsr .LoadGRTransition ; load transition effect code at $6400
+LDADDR $6400
jsr ExecuteTransitionAndWait
jsr ExecuteTransitionAt6400AndWait
jmp BlankHGR ; switch back to HGR mode with initial blank screen on exit
;------------------------------------------------------------------------------
@ -97,5 +96,4 @@ GRRTS rts
+ !word $FDFD ; SMC
!word $6000
+LDADDR $6400
jmp ExecuteTransitionAndWait
jmp ExecuteTransitionAt6400AndWait

8
src/ui.attract.hgr.a
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@ -30,7 +30,7 @@ HGRSingle
@fname !word $FDFD ; SMC
!word $4000
jsr LoadHGRTransition ; load transition effect code at $6000
jmp .transition
jmp ExecuteTransitionAt6000AndWait
;------------------------------------------------------------------------------
; LoadHGRTransition [private]
@ -99,7 +99,7 @@ HGRTitleCallback
+ !word $FDFD ; SMC
!word $4000
jmp .transition
jmp ExecuteTransitionAt6000AndWait
;------------------------------------------------------------------------------
; HGRActionCallback [private]
@ -158,9 +158,7 @@ HGRActionCallback
lda #3 ; solid vertical bar character
jsr @drawline
.transition
+LDADDR $6000
jmp ExecuteTransitionAndWait
jmp ExecuteTransitionAt6000AndWait
@resetline
ldy #40
- sta gPathname,y

6
src/ui.attract.shr.a
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@ -30,8 +30,7 @@ SHRSingle
+ !word $FDFD ; SMC
!word $2000
jsr LoadSHRTransition
+LDADDR $A000
jsr ExecuteTransitionAndWait
jsr ExecuteTransitionAtA000AndWait
jmp BlankHGR
;------------------------------------------------------------------------------
@ -81,8 +80,7 @@ SHRArtworkCallback
@sfname !word $FDFD
!word $2000
+LDADDR $A000
jmp ExecuteTransitionAndWait
jmp ExecuteTransitionAtA000AndWait
;------------------------------------------------------------------------------
; .BlankSHR [private]

2
src/ui.overlay.a
View File

@ -226,7 +226,7 @@ DrawUI
CheckCheats
ldy #kCheatsEnabled
ldx gGameToLaunch
inx
cpx #$FF
beq +
ldy gCheatsAvailable,x
+

10
src/ui.wait.a
View File

@ -7,6 +7,15 @@
; - WaitForKeyFor30Seconds
; - CoverFade
ExecuteTransitionAt6000AndWait
ldy #$60
+HIDE_NEXT_2_BYTES
ExecuteTransitionAt6400AndWait
ldy #$64
+HIDE_NEXT_2_BYTES
ExecuteTransitionAtA000AndWait
ldy #$A0
; /!\ execution falls through here from ui.attract.dhgr/DHGRActionCallback
;------------------------------------------------------------------------------
; ExecuteTransitionAndWait
@ -17,6 +26,7 @@
; out: all flags and registers clobbered
;------------------------------------------------------------------------------
ExecuteTransitionAndWait
lda #0
+STAY @j+1
@j jsr $FDFD ; SMC call transition effect code
ldx #$20 ; picture is showing so now we wait