Groundwork for gameobject rendering
This commit is contained in:
blondie7575
parent
597c6b750e
commit
ea808cbf9a
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@ -13,7 +13,8 @@
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706DF1641F2D39F700AA6680 /* loader.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = loader.s; sourceTree = "<group>"; };
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706DF1651F2D4A8100AA6680 /* terrain.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = terrain.s; sourceTree = "<group>"; };
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7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateRenderSpans.py; sourceTree = "<group>"; };
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7099E3841F41022100182A82 /* player.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = player.s; sourceTree = "<group>"; };
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7099E3841F41022100182A82 /* gameobject.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = gameobject.s; sourceTree = "<group>"; };
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7099E3851F4107B100182A82 /* GenerateVRAMYOffset.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateVRAMYOffset.py; sourceTree = "<group>"; };
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70E9D85F1F2BD95400555C19 /* equates.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = equates.s; sourceTree = "<group>"; };
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70E9D8601F2BD95400555C19 /* graphics.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = graphics.s; sourceTree = "<group>"; };
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70E9D8611F2BD95400555C19 /* gscats.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = gscats.s; sourceTree = "<group>"; };
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@ -28,7 +29,7 @@
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70E9D85F1F2BD95400555C19 /* equates.s */,
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70E9D8601F2BD95400555C19 /* graphics.s */,
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70E9D8621F2BD95400555C19 /* macros.s */,
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7099E3841F41022100182A82 /* player.s */,
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7099E3841F41022100182A82 /* gameobject.s */,
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706DF1641F2D39F700AA6680 /* loader.s */,
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700FFAFB1F40F3BF00A442DE /* font.s */,
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706DF1651F2D4A8100AA6680 /* terrain.s */,
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@ -37,6 +38,7 @@
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70E9D8631F2BD95400555C19 /* Makefile */,
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7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */,
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7059502B1F37A0BE00BBE90F /* GenerateVRAMTable.py */,
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7099E3851F4107B100182A82 /* GenerateVRAMYOffset.py */,
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);
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sourceTree = "<group>";
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};
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@ -0,0 +1,25 @@
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#!/usr/bin/env python3
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import sys
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def main(argv):
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# Prologue
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print ("vramYOffset:",end="")
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rowCount = 19
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for jump in range(0,200):
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rowCount += 1
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if (rowCount==20):
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print ("\n\t.word ", end="")
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rowCount=0
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print ("$%04x" % (jump*160), end="")
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if (rowCount<19):
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print (",", end="")
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if __name__ == "__main__":
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main(sys.argv[1:])
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@ -7,7 +7,7 @@ STACKCTL = $e0c068
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KBD = $e0c000
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KBDSTROBE = $e0c010
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COUT = $fded
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VRAM = $e12000
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; Zero page locations we use (unused by Monitor, Applesoft, or ProDOS)
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PARAM0 = $06
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@ -0,0 +1,76 @@
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;
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; gameobject
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; Code and data structures related to the game objects
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;
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; Created by Quinn Dunki on 8/13/17
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;
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GAMEOBJECTWIDTH = 8
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GAMEOBJECTHEIGHT = 8
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gameobjectData:
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.word 40 ; X pos in pixels (from left terrain edge)
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.word 38 ; Y pos in pixels (from bottom terrain edge)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; renderGameobject
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;
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; PARAML0 = Pointer to gameobject data
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;
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renderGameobject:
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SAVE_AXY
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; Find gameobject location in video memory
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ldy #0
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; X
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lda (PARAML0),y
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lsr
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sec
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sbc leftScreenEdge
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bmi renderGameobjectDone ; Gameobject is off left edge of screen
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cmp #320 - GAMEOBJECTWIDTH
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bpl renderGameobjectDone ; Gameobject is off right edge of screen
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sta SCRATCHL
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; Y
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iny
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iny
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sec
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lda #200
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sbc (PARAML0),y
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bmi renderGameobjectDone ; Gameobject is off top edge of screen
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cmp #200 - GAMEOBJECTHEIGHT
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bpl renderGameobjectDone ; Gameobject is off bottom edge of screen
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asl
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tax
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lda vramYOffset,x
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clc
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adc SCRATCHL
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tax
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; X now contains the VRAM offset of the upper left corner
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lda #$FFFF
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sta VRAM,x
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sta VRAM+2,x
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sta VRAM+160,x
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sta VRAM+160+2,x
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sta VRAM+160*2,x
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sta VRAM+160*2+2,x
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sta VRAM+160*3,x
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sta VRAM+160*3+2,x
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sta VRAM+160*4,x
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sta VRAM+160*4+2,x
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sta VRAM+160*5,x
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sta VRAM+160*5+2,x
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sta VRAM+160*6,x
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sta VRAM+160*6+2,x
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sta VRAM+160*7,x
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sta VRAM+160*7+2,x
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renderGameobjectDone:
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RESTORE_AXY
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rts
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BIN
gscats.2mg
BIN
gscats.2mg
Binary file not shown.
21
gscats.s
21
gscats.s
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@ -37,8 +37,6 @@ mainBank2:
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jsr compileTerrain
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jsr clipTerrain
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; jsr unclipTerrain
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; jsr clipTerrain
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mainGameLoop:
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@ -70,6 +68,10 @@ render:
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lda mapScrollRequested
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bpl scrollMap
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lda #gameobjectData
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sta PARAML0
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jsr renderGameobject
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lda quitRequested
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beq mainGameLoop
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@ -79,7 +81,12 @@ quit:
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scrollMap:
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jsr unclipTerrain
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sta mapScrollPos
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asl
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asl
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sta leftScreenEdge
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jsr clipTerrain
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lda #$ffff
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sta mapScrollRequested
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@ -153,8 +160,6 @@ kbdScanSpace:
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basePalette:
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.word $0000,$0080,$0000,$000F,$0FFF,$0000,$0000,$0000,$0000,$0000,$0000,$0000,$0000,$0000,$0000,$0FFF
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mapScrollPos: ; 4-pixel columns distance from right terrain edge
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.word 0
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quitRequested:
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.word $0000
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mapScrollRequested:
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@ -162,10 +167,18 @@ mapScrollRequested:
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string:
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pstring "HELLO WORLD"
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; Position of map viewing window. Can be visualized in two ways:
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; a) Word-distance from right edge of terrain data (which is in memory right-to-left) to left edge of visible screen
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; b) Word-distance from left edge of logical terrain to left edge of visible screen
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mapScrollPos:
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.word 0
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leftScreenEdge:
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.word 0 ; In pixels
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.include "graphics.s"
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.include "font.s"
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.include "terrain.s"
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.include "gameobject.s"
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.include "tables.s"
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endMainBank2:
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7
player.s
7
player.s
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@ -1,7 +0,0 @@
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;
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; player
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; Code and data structures related to the players
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;
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; Created by Quinn Dunki on 8/13/17
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;
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13
tables.s
13
tables.s
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@ -43,3 +43,16 @@ vramRowEndsMinusOne:
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.word $781f,$78bf,$795f,$79ff,$7a9f,$7b3f,$7bdf,$7c7f,$7d1f,$7dbf,$7e5f,$7eff,$7f9f,$803f,$80df,$817f,$821f,$82bf,$835f,$83ff
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.word $849f,$853f,$85df,$867f,$871f,$87bf,$885f,$88ff,$899f,$8a3f,$8adf,$8b7f,$8c1f,$8cbf,$8d5f,$8dff,$8e9f,$8f3f,$8fdf,$907f
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.word $911f,$91bf,$925f,$92ff,$939f,$943f,$94df,$957f,$961f,$96bf,$975f,$97ff,$989f,$993f,$99df,$9a7f,$9b1f,$9bbf,$9c5f,$9cff
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vramYOffset:
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.word $0000,$00a0,$0140,$01e0,$0280,$0320,$03c0,$0460,$0500,$05a0,$0640,$06e0,$0780,$0820,$08c0,$0960,$0a00,$0aa0,$0b40,$0be0
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.word $0c80,$0d20,$0dc0,$0e60,$0f00,$0fa0,$1040,$10e0,$1180,$1220,$12c0,$1360,$1400,$14a0,$1540,$15e0,$1680,$1720,$17c0,$1860
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.word $1900,$19a0,$1a40,$1ae0,$1b80,$1c20,$1cc0,$1d60,$1e00,$1ea0,$1f40,$1fe0,$2080,$2120,$21c0,$2260,$2300,$23a0,$2440,$24e0
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.word $2580,$2620,$26c0,$2760,$2800,$28a0,$2940,$29e0,$2a80,$2b20,$2bc0,$2c60,$2d00,$2da0,$2e40,$2ee0,$2f80,$3020,$30c0,$3160
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.word $3200,$32a0,$3340,$33e0,$3480,$3520,$35c0,$3660,$3700,$37a0,$3840,$38e0,$3980,$3a20,$3ac0,$3b60,$3c00,$3ca0,$3d40,$3de0
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.word $3e80,$3f20,$3fc0,$4060,$4100,$41a0,$4240,$42e0,$4380,$4420,$44c0,$4560,$4600,$46a0,$4740,$47e0,$4880,$4920,$49c0,$4a60
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.word $4b00,$4ba0,$4c40,$4ce0,$4d80,$4e20,$4ec0,$4f60,$5000,$50a0,$5140,$51e0,$5280,$5320,$53c0,$5460,$5500,$55a0,$5640,$56e0
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.word $5780,$5820,$58c0,$5960,$5a00,$5aa0,$5b40,$5be0,$5c80,$5d20,$5dc0,$5e60,$5f00,$5fa0,$6040,$60e0,$6180,$6220,$62c0,$6360
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.word $6400,$64a0,$6540,$65e0,$6680,$6720,$67c0,$6860,$6900,$69a0,$6a40,$6ae0,$6b80,$6c20,$6cc0,$6d60,$6e00,$6ea0,$6f40,$6fe0
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.word $7080,$7120,$71c0,$7260,$7300,$73a0,$7440,$74e0,$7580,$7620,$76c0,$7760,$7800,$78a0,$7940,$79e0,$7a80,$7b20,$7bc0,$7c60
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