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Martin Haye 2018-03-01 07:11:57 -08:00
parent d2c8601cb5
commit 7915e66b97
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153
Platform/Apple/virtual/src/plasma/automap.pla Normal file
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///////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 The 8-Bit Bunch. Licensed under the Apache License, Version 1.1
// (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at <http://www.apache.org/licenses/LICENSE-1.1>.
// Unless required by applicable law or agreed to in writing, software distributed under
// the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
// ANY KIND, either express or implied. See the License for the specific language
// governing permissions and limitations under the License.
//////////////////f/////////////////////////////////////////////////////////////////////////////////
include "gamelib.plh"
include "playtype.plh"
include "globalDefs.plh"
include "gen_modules.plh"
// Exported functions go here. First a predef for each one, then a table with function pointers
// in the same order as the constants are defined in the header.
predef _automap_show()#1
word[] funcTbl = @_automap_show
///////////////////////////////////////////////////////////////////////////////////////////////////
// Definitions used by assembly code
asm _defs
!convtab "../../include/hiBitAscii.ct"
!source "../../include/global.i"
!source "../../include/plasma.i"
!source "../../include/mem.i"
tmp = $2 ; length 2
pTmp = $4 ; length 2
pix0 = $6 ; length 1
pix1 = $7 ; length 1
tilePtrs = $8 ; length 2
tileOff = $A ; length 1
nTiles = $B ; length 1
pScreen = $C ; length 2
pTile = $E ; length 2
ysav = $34
end
///////////////////////////////////////////////////////////////////////////////////////////////////
asm _drawSlice(tilePtrs, nTiles, tileOff, pScreen)#0
+asmPlasmRet 4
sta pScreen
sty pScreen+1
lda evalStkL+1,x
sta tileOff
lda evalStkL+2,x
sta nTiles
lda evalStkL+3,x
sta tilePtrs
lda evalStkH+3,x
sta tilePtrs+1
clc ; start with even-tile logic
.tileLoop
ldy #0
lda (tilePtrs),y
sta pTile
inc tilePtrs
bne +
inc tilePtrs+1
+ lda (tilePtrs),y
sta pTile+1
inc tilePtrs
bne +
inc tilePtrs+1
+ ldy tileOff ; start at correct vertical offset within each tile
lda (pTile),y
bcs .oddTile ; first time even, second time odd, third time even, etc.
.evenTile
lsr ; in bit A-0
ror pix0 ; out bit 0
lsr ; in bit A-1
ror pix0 ; out bit 1
lsr ; in bit A-2 (skip)
lsr ; in bit A-3 (skip)
lsr ; in bit A-4
ror pix0 ; out bit 2
lsr ; in bit A-5
ror pix0 ; out bit 3
; in bit A-6 (skip)
; in bit A-7 (hi skip)
iny
lda (pTile),y
lsr ; in bit A-8 (skip)
lsr ; in bit A-9
ror pix0 ; out bit 4
lsr ; in bit A-10
ror pix0 ; out bit 5
lsr ; in bit A-11 (skip)
lsr ; in bit A-12 (skip)
lsr ; in bit A-13
ror pix0 ; out bit 6
lsr ; in bit A-14
ror pix1 ; out bit 8 (!)
lsr ; in bit A-15 (hibit)
ror pix0 ; out bit 7 (!)
lda pix0
sec ; next iteration, use odd-tile logic
.store
ldy #0
sta (pScreen),y
inc pScreen
dec nTiles ; count down tiles done
bne .tileLoop ; go until they're all done
rts ; finished
.oddTile
lsr ; in bit B-0 (skip)
lsr ; in bit B-1 (skip)
lsr ; in bit B-2
ror pix1 ; out bit 9
lsr ; in bit B-3
ror pix1 ; out bit 10
lsr ; in bit B-4 (skip)
lsr ; in bit B-5 (skip)
lsr ; in bit B-6
ror pix1 ; out bit 11
; in bit B-7 (hi skip)
iny
lda (pTile),y
lsr ; in bit B-8
ror pix1 ; out bit 12
lsr ; in bit B-9 (skip)
lsr ; in bit B-10 (skip)
lsr ; in bit B-11
ror pix1 ; out bit 13
lsr ; in bit B-12
ror pix1 ; out bit 14
lsr ; in bit B-13 (skip)
lsr ; in bit B-14 (skip)
lsr ; in bit B-15 (hibit)
ror pix1 ; out bit 15 (hibit)
lda pix1
clc ; next iteration, use even-tile logic
bcc .store ; always taken
end
///////////////////////////////////////////////////////////////////////////////////////////////////
def _automap_show()#1
setBigWindow
clearWindow
rawDisplayStr("Hello automap")
getUpperKey
return 0
end
///////////////////////////////////////////////////////////////////////////////////////////////////
// Boilerplate module initialization code
return @funcTbl
done

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Platform/Apple/virtual/src/plasma/automap.plh Normal file
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///////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 The 8-Bit Bunch. Licensed under the Apache License, Version 1.1
// (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at <http://www.apache.org/licenses/LICENSE-1.1>.
// Unless required by applicable law or agreed to in writing, software distributed under
// the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
// ANY KIND, either express or implied. See the License for the specific language
// governing permissions and limitations under the License.
///////////////////////////////////////////////////////////////////////////////////////////////////
// Each module-exported function needs its own constant, 0..n (multiples of 2)
const automap_show = 0