Apple-2gs-SW/iigs-game-engine
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Fix offset calc

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This commit is contained in:
Lucas Scharenbroich 2023-06-26 13:19:12 -05:00
parent 2013771524
commit eb548343a7
3 changed files with 13 additions and 8 deletions
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17
demos/lite/App.Main.s
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@ -107,19 +107,24 @@ SlowSprites equ 0
jsr HandleKeys ; Do the generic key handlers jsr HandleKeys ; Do the generic key handlers
bcs :do_more bcs :do_more
brl :do_render bra :evt_loop
:do_more :do_more
and #$007F and #$007F
cmp #'a'
bne :not_a
dec ScreenX
:not_a cmp #'s'
bne :not_s
inc ScreenX
:not_s
:do_render jsr :next_frame :do_render jsr :next_frame
brl :evt_loop brl :evt_loop
:next_frame :next_frame
; inc ScreenX pei ScreenX
; inc ScreenY pei ScreenY
; pei ScreenX _GTESetBG0Origin
; pei ScreenY
; _GTESetBG0Origin
pea $FFFE pea $FFFE
_GTERender _GTERender

2
src/Render.s
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@ -653,7 +653,7 @@ _RenderLite
; jsr _DrawFinalPass ; jsr _DrawFinalPass
ldx #0 ldx #0
lda ScreenHeight ldy ScreenHeight
jsr _BltRange jsr _BltRange
lda StartYMod208 ; Restore the fields back to their original state lda StartYMod208 ; Restore the fields back to their original state

2
src/static/TileStore.s
View File

@ -137,7 +137,7 @@ JTableOffset ENT
; physical word index that each instruction is intended to be placed at is in the comment. ; physical word index that each instruction is intended to be placed at is in the comment.
bra *-3 ; wrap around bra *-3 ; wrap around
CodeFieldEvenBRA ENT CodeFieldEvenBRA ENT
bra *+6 ; 81 -- need to skip over the JMP loop that passed control back bra *+6 ; 81 -- need to skip over the JMP loop that passes control back
bra *+9 ; 80 bra *+9 ; 80
bra *+12 ; 79 bra *+12 ; 79
bra *+15 ; 78 bra *+15 ; 78