Apple-2gs-SW/iigs-game-engine
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Add some basic tile rendering

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This commit is contained in:
Lucas Scharenbroich 2020-08-25 23:40:49 -05:00
parent 4d6832066c
commit 02bd63cf36
1 changed files with 53 additions and 0 deletions
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53
test/App.Main.s
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@ -91,6 +91,51 @@ EvtLoop
; Set up the code field and render it
DoFrame
; Render some tiles
lda BlitBuff+1 ; set the data bank to the code field
pha
plb
plb
ldx #0
ldal Col2CodeOffset,x
tay
iny
lda #1 ; draw tile #1
jsr CopyTile
ldx #4
ldal Col2CodeOffset,x
tay
iny
lda #2 ; draw tile #1
jsr CopyTile
ldx #8
ldal Col2CodeOffset,x
tay
iny
lda #3 ; draw tile #1
jsr CopyTile
ldx #12
ldal Col2CodeOffset,x
tay
iny
lda #4 ; draw tile #1
jsr CopyTile
ldx #16
ldal Col2CodeOffset,x
tay
iny
lda #5 ; draw tile #1
jsr CopyTile
phk
plb
; This sets up the environment for calling the blitter. The blitter code takes care of moving from
; line to line and should be set up ahead of time with appropriate epilogues for lines to periodically
; enable interrupts and other stuff. In short, we call into the code once and, when it returns, all of
@ -540,6 +585,14 @@ qtRec adrl $0000