Apple-2gs-SW/iigs-game-engine
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mirror of https://github.com/lscharen/iigs-game-engine.git synced 2025-02-21 12:29:07 +00:00
Code Issues Projects Releases Wiki Activity

Add rendering path for masked dynamic tiles

Browse Source
This commit is contained in:
Lucas Scharenbroich 2021-10-07 23:54:45 -05:00
parent 59f9e61559
commit 2966b1052b
6 changed files with 148 additions and 32 deletions
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8
demos/shell/Actions.s
View File

@ -7,7 +7,7 @@ MoveLeft
lsr lsr
jsl SetBG1XPos jsl SetBG1XPos
jsl Render ; jsl Render
rts rts
MoveRight MoveRight
@ -23,7 +23,7 @@ MoveRight
lsr lsr
jsl SetBG1XPos jsl SetBG1XPos
jsl Render ; jsl Render
pla pla
rts rts
@ -46,7 +46,7 @@ MoveUp
; lsr ; lsr
; jsl SetBG1YPos ; jsl SetBG1YPos
jsl Render ; jsl Render
rts rts
MoveDown MoveDown
@ -62,7 +62,7 @@ MoveDown
; lsr ; lsr
; jsl SetBG1YPos ; jsl SetBG1YPos
jsl Render ; jsl Render
pla pla
rts rts

17
demos/shell/App.Main.s
View File

@ -34,7 +34,7 @@ NO_MUSIC equ 1 ; turn music + tool loadi
; Set up our level data ; Set up our level data
jsr BG0SetUp jsr BG0SetUp
; jsr BG1SetUp jsr BG1SetUp
jsr TileAnimInit jsr TileAnimInit
; Allocate room to load data ; Allocate room to load data
@ -51,6 +51,9 @@ NO_MUSIC equ 1 ; turn music + tool loadi
lda #$FFFF lda #$FFFF
jsl Render jsl Render
EvtLoop EvtLoop
jsl DoTimers
jsl Render
jsl ReadControl jsl ReadControl
and #$007F ; Ignore the buttons for now and #$007F ; Ignore the buttons for now
@ -59,16 +62,6 @@ EvtLoop
brl Exit brl Exit
:1 :1
jsl DoTimers
jsl Render
bra EvtLoop
cmp #'r'
bne EvtLoop
jsl Render
brl EvtLoop
cmp #'l' cmp #'l'
bne :1_1 bne :1_1
jsr DoLoadFG jsr DoLoadFG
@ -102,7 +95,7 @@ EvtLoop
sbc #'1' sbc #'1'
tax tax
jsl SetScreenMode jsl SetScreenMode
; jsr MovePlayerToOrigin jsr MovePlayerToOrigin
brl EvtLoop brl EvtLoop
:6 cmp #'t' :6 cmp #'t'

2
demos/shell/assets/tiled/world_1-1.json
View File

File diff suppressed because one or more lines are too long

8
demos/shell/assets/tiled/world_1-1.tmx
View File

@ -60,12 +60,12 @@
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41,41,41,56,21,62,59,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,11,12,13,14,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41, 41,41,41,56,21,62,59,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,11,12,13,14,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,
41,41,56,21,21,21,21,59,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,57,2147483705,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,15,16,17,18,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41, 41,41,56,21,21,21,21,59,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,57,2147483705,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,15,16,17,18,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,
41,56,21,62,21,21,62,21,59,41,41,41,169,170,169,170,169,170,169,170,169,170,41,41,42,43,42,43,42,43,41,41,41,56,21,62,2147483704,41,41,41,41,41,41,41,41,41,41,41,42,43,41,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,42,43,42,43,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41, 41,56,21,62,21,21,62,21,59,41,41,41,169,170,169,170,169,170,169,170,169,170,41,41,42,43,42,43,42,43,41,41,41,56,21,62,2147483704,41,41,41,169,170,169,170,169,170,41,41,42,43,41,41,41,41,169,170,19,20,21,22,41,41,169,170,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,41,42,43,42,43,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,
56,21,21,21,21,21,21,21,21,59,41,41,209,210,209,210,209,210,209,210,209,210,41,44,45,45,45,45,45,45,46,41,56,21,21,21,21,2147483704,41,41,41,41,41,41,41,41,41,44,45,45,46,41,41,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,44,45,45,45,45,46,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41, 56,21,21,21,21,21,21,21,21,59,41,41,209,210,209,210,209,210,209,210,209,210,41,44,45,45,45,45,45,45,46,41,56,21,21,21,21,2147483704,41,41,209,210,209,210,209,210,41,44,45,45,46,41,41,41,209,210,19,20,21,22,41,41,209,210,41,41,41,41,41,41,41,41,41,41,41,41,19,20,21,22,41,41,41,44,45,45,45,45,46,41,41,41,19,20,21,22,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,41,
1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2, 1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,
3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4, 3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,3,4,
1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2, 1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,

65
macros/CORE.MACS.S
View File

@ -149,21 +149,34 @@ mixed cmp #$FFFF ; All 1's in the mask is fully transparent
; This is the slowest path because there is a *lot* of work to do. So much that it's ; This is the slowest path because there is a *lot* of work to do. So much that it's
; worth it to change up the environment to optimize things a bit more. ; worth it to change up the environment to optimize things a bit more.
;
; Need to fill in the first 8 bytes of the JMP handler with the following code sequence
;
; lda (00),y
; and #MASK
; ora #DATA
lda #$004C ; JMP instruction lda #$004C ; JMP instruction
sta: ]3,y sta: ]3,y
ldx _X_REG ; Get the addressing offset ldx _X_REG ; Get the addressing offset
ldal JTableOffset,x ; Get the address offset and add to the base address ldal JTableOffset,x ; Get the address offset and add to the base address
; clc ; may be able to be removed...
adc _BASE_ADDR ; of the current code field line adc _BASE_ADDR ; of the current code field line
adc #{]3&$F000} ; adjust for the current row offset adc #{]3&$F000} ; adjust for the current row offset
sta: ]3+1,y sta: ]3+1,y
tay ; This becomes the new address that we use to patch in tay ; This becomes the new address that we use to patch in
txa ; Get the offset and render a LDA (dp),y instruction txa ; Get the offset and render a LDA (dp),y instruction
xba
ora #$00B1 sep #$20
sta: $0000,y sta: $0001,y ; LDA (00),y operand
lda #$B1
sta: $0000,y ; LDA (00),y opcode
lda #$29
sta: $0002,y ; AND #$0000 opcode
lda #$09
sta: $0005,y ; ORA #$0000 opcode
rep #$20
ldx _T_PTR ; restore the original x-register value ldx _T_PTR ; restore the original x-register value
ldal ]2,x ; insert the tile mask and data into the exception ldal ]2,x ; insert the tile mask and data into the exception
@ -184,13 +197,49 @@ transparent
next next
eom eom
; Masked renderer for a dynamic tile. What's interesting about this renderer is that the mask
; value is not used directly, but simply indicates if we can use a LDA 0,x / PHA sequence,
; a LDA (00),y / PHA, or a JMP to a blended render
;
; If a dynamic tile is animated, there is the possibility to create a special mask that marks
; words of the tile that a front / back / mixed across all frames.
;
; ]1 : tiledata offset
; ]2 : tilemask offset
; ]3 : code field offset
CopyMaskedDWord MAC
; Need to fill in the first 8 bytes of the JMP handler with the following code sequence
;
; lda (00),y
; and $80,x
; ora $00,x
; bcc *+4
ldx _X_REG ; Get the addressing offset
ldal JTableOffset,x ; Get the address offset and add to the base address
adc _BASE_ADDR ; of the current code field line
adc #{]1&$F000} ; adjust for the current row offset
sta: ]1+1,y
tax ; This becomes the new address that we use to patch in
lda _X_REG ; Get the offset and render a LDA (dp),y instruction
sep #$20 ; Easier to do 8-bit operations
sta: $0001,x ; Set the LDA (00),y operand
lda #$B1
sta: $0000,x ; Set the LDA (00),y opcode
lda _T_PTR
sta: $0005,x ; Set ORA 00,x operand
ora #$80
sta: $0003,x ; Set AND 00,x operand
lda #$35
sta: $0002,x ; Set AND 00,x operand
lda #$15
sta: $0004,x ; Set ORA 00,x operand
rep #$30
lda #$0290 ; BCC *+4
sta: $0006,x
eom

80
src/blitter/Tiles.s
View File

@ -209,7 +209,8 @@ RenderTile
jmp (:actions,x) jmp (:actions,x)
:actions dw solid,solid_hflip,solid_vflip,solid_hvflip :actions dw solid,solid_hflip,solid_vflip,solid_hvflip
dw dynamic,dynamic,dynamic,dynamic ; dw dynamic,dynamic,dynamic,dynamic
dw dyn_masked,dyn_masked,dyn_masked,dyn_masked
dw masked,masked_hflip,masked_vflip,masked_hvflip dw masked,masked_hflip,masked_vflip,masked_hvflip
dw dyn_masked,dyn_masked,dyn_masked,dyn_masked dw dyn_masked,dyn_masked,dyn_masked,dyn_masked
@ -308,7 +309,7 @@ FillPEAOpcode
; Masked tiles ; Masked tiles
; ;
; Can result in one or three different code sequences ; Can result in one of three different code sequences
; ;
; If mask === $0000, then insert PEA $DATA ; If mask === $0000, then insert PEA $DATA
; If mask === $FFFF, then insert LDA (DP),y / PHA ; If mask === $FFFF, then insert LDA (DP),y / PHA
@ -529,6 +530,55 @@ DynamicTile
rep #$20 rep #$20
rts rts
DynamicTileM
and #$007F ; clamp to < (32 * 4)
sta _T_PTR
stx _X_REG
CopyMaskedDWord $0003
CopyMaskedDWord $1003
CopyMaskedDWord $2003
CopyMaskedDWord $3003
CopyMaskedDWord $4003
CopyMaskedDWord $5003
CopyMaskedDWord $6003
CopyMaskedDWord $7003
inc _T_PTR ; Move to the next column
inc _T_PTR
inc _X_REG ; Move to the next column
inc _X_REG
CopyMaskedDWord $0000
CopyMaskedDWord $1000
CopyMaskedDWord $2000
CopyMaskedDWord $3000
CopyMaskedDWord $4000
CopyMaskedDWord $5000
CopyMaskedDWord $6000
CopyMaskedDWord $7000
sep #$20
lda #$4C ; Set everything to JMP instructions
sta: $0000,y
sta: $0003,y
sta $1000,y
sta $1003,y
sta $2000,y
sta $2003,y
sta $3000,y
sta $3003,y
sta $4000,y
sta $4003,y
sta $5000,y
sta $5003,y
sta $6000,y
sta $6003,y
sta $7000,y
sta $7003,y
rep #$20
rts
; Helper functions to copy tile data to the appropriate location in Bank 0 ; Helper functions to copy tile data to the appropriate location in Bank 0
; X = tile ID ; X = tile ID
; Y = dynamic tile ID ; Y = dynamic tile ID
@ -545,6 +595,26 @@ CopyTileToDyn ENT
adc #$0100 ; Go to the next page adc #$0100 ; Go to the next page
tay tay
jsr CopyTileDToDyn ; Copy the tile data jsr CopyTileDToDyn ; Copy the tile data
jsr CopyTileMToDyn ; Copy the tile data
rtl
; Helper functions to copy tile data and mask to the appropriate location in Bank 0
; X = tile ID
; Y = dynamic tile ID
CopyTileAndMaskToDyn ENT
txa
jsr _GetTileAddr
tax
tya
and #$001F ; Maximum of 32 dynamic tiles
asl
asl ; 4 bytes per page
adc BlitterDP ; Add to the bank 00 base address
adc #$0100 ; Go to the next page
tay
jsr CopyTileDToDyn ; Copy the tile data
jsr CopyTileMToDyn ; Copy the tile data
rtl rtl
; X = address of tile ; X = address of tile
@ -705,8 +775,12 @@ dynamic
dyn_masked dyn_masked
pla pla
asl
asl
asl
xba ; Undo the x128 we just need x4
plx plx
rts brl DynamicTileM
; Merge ; Merge
; ;