Moved to 16 bit sine table

- Also groundwork for projectiles
This commit is contained in:
blondie7575 2017-08-20 15:15:46 -07:00
parent 3776f3377f
commit f7b34308ea
8 changed files with 172 additions and 45 deletions

View File

@ -9,6 +9,8 @@
/* Begin PBXFileReference section */
700C39C51F2E5CA800C24F9C /* tables.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = tables.s; sourceTree = "<group>"; };
700F21DE1F43E31300D7007D /* input.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = input.s; sourceTree = "<group>"; };
700F21DF1F4A364600D7007D /* projectile.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = projectile.s; sourceTree = "<group>"; };
700F21E01F4A3A5500D7007D /* GenerateTrigTables.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateTrigTables.py; sourceTree = "<group>"; };
700FFAFB1F40F3BF00A442DE /* font.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = font.s; sourceTree = "<group>"; };
7059502B1F37A0BE00BBE90F /* GenerateVRAMTable.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = GenerateVRAMTable.py; sourceTree = "<group>"; };
706DF1641F2D39F700AA6680 /* loader.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = loader.s; sourceTree = "<group>"; };
@ -41,12 +43,14 @@
70F086A01F4230CB002446C3 /* utility.s */,
700C39C51F2E5CA800C24F9C /* tables.s */,
70F0869F1F413A89002446C3 /* player.s */,
700F21DF1F4A364600D7007D /* projectile.s */,
70A80FB01F43D7F200BD34C9 /* gamemanager.s */,
70E9D8611F2BD95400555C19 /* gscats.s */,
70E9D8631F2BD95400555C19 /* Makefile */,
7088096D1F2ECE8D00D4C950 /* GenerateRenderSpans.py */,
7059502B1F37A0BE00BBE90F /* GenerateVRAMTable.py */,
7099E3851F4107B100182A82 /* GenerateVRAMYOffset.py */,
700F21E01F4A3A5500D7007D /* GenerateTrigTables.py */,
);
sourceTree = "<group>";
};

26
GenerateTrigTables.py Executable file
View File

@ -0,0 +1,26 @@
#!/usr/bin/env python3
import sys
import math
def main(argv):
# Prologue
print ("sineTable:",end="")
rowCount = 7
for v in range(0,512):
rowCount += 1
if (rowCount==8):
print ("\n\t.word ", end="")
rowCount=0
print ("$%04x" % (int)(math.sin((2*3.14159)/512 * v)*256+256), end="")
if (rowCount<7):
print (",", end="")
if __name__ == "__main__":
main(sys.argv[1:])

Binary file not shown.

View File

@ -37,6 +37,7 @@ quitGame:
.include "tables.s"
.include "gamemanager.s"
.include "input.s"
.include "projectile.s"
endMainBank2:

View File

@ -15,7 +15,7 @@ playerData:
.word 50 ; Power
PD_ANGLE = 4 ; Byte offsets into player data structure
PD_POS = 6
PD_POWER = 6
.macro PLAYERPTR_Y
tya ; Pointer to player structure from index
@ -85,8 +85,20 @@ renderPlayerHeader:
ldx #24
jsr drawNumber
ldx #48
lda #powerStr
jsr DrawString
lda playerData+PD_POWER,y
ldx #72
jsr drawNumber
RESTORE_AXY
rts
angleStr:
pstring "ANGLE: "
powerStr:
pstring "POWER: "

58
projectile.s Normal file
View File

@ -0,0 +1,58 @@
;
; projectile
; Code and data structures related to the projectiles
;
; Created by Quinn Dunki on 8/13/17
;
projectileData:
; gameobject data
.word 40 ; X pos in pixels (from left terrain edge)
.word 38 ; Y pos in pixels (from bottom terrain edge)
.word 0 ; Velocity (8.8 fixed point)
JD_V = 4 ; Byte offsets into projectile data structure
projectileParams:
.word 0 ; Starting pos X
.word 0 ; Starting pos Y
.word 0 ; Initial angle
.word 0 ; Initial power
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; fireProjectile
;
; PARAML0 = Pointer to projectileParams
;
; Trashes SCRATCHL
;
fireProjectile:
SAVE_AXY
; Set up projectile structure
ldy #0
ldx #0
lda #projectileData ; Only one active at a tiem for now
sta SCRATCHL
; lda (PARAML0),x ; X pos
; sta (SCRATCHL),y
; inx
; inx
; iny
; iny
; lda (PARAML0),x ; Y pos
; sta (SCRATCHL),y
; inx
; inx
; lda (PARAML0),x ;
fireProjectileLoop:
RESTORE_AXY
rts

View File

@ -1,36 +1,68 @@
sineTable:
.byte $80, $83, $86, $89, $8C, $90, $93, $96
.byte $99, $9C, $9F, $A2, $A5, $A8, $AB, $AE
.byte $B1, $B3, $B6, $B9, $BC, $BF, $C1, $C4
.byte $C7, $C9, $CC, $CE, $D1, $D3, $D5, $D8
.byte $DA, $DC, $DE, $E0, $E2, $E4, $E6, $E8
.byte $EA, $EB, $ED, $EF, $F0, $F1, $F3, $F4
.byte $F5, $F6, $F8, $F9, $FA, $FA, $FB, $FC
.byte $FD, $FD, $FE, $FE, $FE, $FF, $FF, $FF
.byte $FF, $FF, $FF, $FF, $FE, $FE, $FE, $FD
.byte $FD, $FC, $FB, $FA, $FA, $F9, $F8, $F6
.byte $F5, $F4, $F3, $F1, $F0, $EF, $ED, $EB
.byte $EA, $E8, $E6, $E4, $E2, $E0, $DE, $DC
.byte $DA, $D8, $D5, $D3, $D1, $CE, $CC, $C9
.byte $C7, $C4, $C1, $BF, $BC, $B9, $B6, $B3
.byte $B1, $AE, $AB, $A8, $A5, $A2, $9F, $9C
.byte $99, $96, $93, $90, $8C, $89, $86, $83
.byte $80, $7D, $7A, $77, $74, $70, $6D, $6A
.byte $67, $64, $61, $5E, $5B, $58, $55, $52
.byte $4F, $4D, $4A, $47, $44, $41, $3F, $3C
.byte $39, $37, $34, $32, $2F, $2D, $2B, $28
.byte $26, $24, $22, $20, $1E, $1C, $1A, $18
.byte $16, $15, $13, $11, $10, $0F, $0D, $0C
.byte $0B, $0A, $08, $07, $06, $06, $05, $04
.byte $03, $03, $02, $02, $02, $01, $01, $01
.byte $01, $01, $01, $01, $02, $02, $02, $03
.byte $03, $04, $05, $06, $06, $07, $08, $0A
.byte $0B, $0C, $0D, $0F, $10, $11, $13, $15
.byte $16, $18, $1A, $1C, $1E, $20, $22, $24
.byte $26, $28, $2B, $2D, $2F, $32, $34, $37
.byte $39, $3C, $3F, $41, $44, $47, $4A, $4D
.byte $4F, $52, $55, $58, $5B, $5E, $61, $64
.byte $67, $6A, $6D, $70, $74, $77, $7A, $7D, $80 ; One byte wrap for easier 16-byte sampling
.word $0100,$0103,$0106,$0109,$010c,$010f,$0112,$0115
.word $0119,$011c,$011f,$0122,$0125,$0128,$012b,$012e
.word $0131,$0135,$0138,$013b,$013e,$0141,$0144,$0147
.word $014a,$014d,$0150,$0153,$0156,$0159,$015c,$015f
.word $0161,$0164,$0167,$016a,$016d,$0170,$0173,$0175
.word $0178,$017b,$017e,$0180,$0183,$0186,$0188,$018b
.word $018e,$0190,$0193,$0195,$0198,$019b,$019d,$019f
.word $01a2,$01a4,$01a7,$01a9,$01ab,$01ae,$01b0,$01b2
.word $01b5,$01b7,$01b9,$01bb,$01bd,$01bf,$01c1,$01c3
.word $01c5,$01c7,$01c9,$01cb,$01cd,$01cf,$01d1,$01d3
.word $01d4,$01d6,$01d8,$01d9,$01db,$01dd,$01de,$01e0
.word $01e1,$01e3,$01e4,$01e6,$01e7,$01e8,$01ea,$01eb
.word $01ec,$01ed,$01ee,$01ef,$01f1,$01f2,$01f3,$01f4
.word $01f4,$01f5,$01f6,$01f7,$01f8,$01f9,$01f9,$01fa
.word $01fb,$01fb,$01fc,$01fc,$01fd,$01fd,$01fe,$01fe
.word $01fe,$01ff,$01ff,$01ff,$01ff,$01ff,$01ff,$01ff
.word $01ff,$01ff,$01ff,$01ff,$01ff,$01ff,$01ff,$01ff
.word $01fe,$01fe,$01fe,$01fd,$01fd,$01fc,$01fc,$01fb
.word $01fb,$01fa,$01f9,$01f9,$01f8,$01f7,$01f6,$01f5
.word $01f4,$01f4,$01f3,$01f2,$01f1,$01ef,$01ee,$01ed
.word $01ec,$01eb,$01ea,$01e8,$01e7,$01e6,$01e4,$01e3
.word $01e1,$01e0,$01de,$01dd,$01db,$01d9,$01d8,$01d6
.word $01d4,$01d3,$01d1,$01cf,$01cd,$01cb,$01c9,$01c7
.word $01c5,$01c3,$01c1,$01bf,$01bd,$01bb,$01b9,$01b7
.word $01b5,$01b2,$01b0,$01ae,$01ab,$01a9,$01a7,$01a4
.word $01a2,$019f,$019d,$019b,$0198,$0195,$0193,$0190
.word $018e,$018b,$0188,$0186,$0183,$0180,$017e,$017b
.word $0178,$0175,$0173,$0170,$016d,$016a,$0167,$0164
.word $0161,$015f,$015c,$0159,$0156,$0153,$0150,$014d
.word $014a,$0147,$0144,$0141,$013e,$013b,$0138,$0135
.word $0131,$012e,$012b,$0128,$0125,$0122,$011f,$011c
.word $0119,$0115,$0112,$010f,$010c,$0109,$0106,$0103
.word $0100,$00fc,$00f9,$00f6,$00f3,$00f0,$00ed,$00ea
.word $00e6,$00e3,$00e0,$00dd,$00da,$00d7,$00d4,$00d1
.word $00ce,$00ca,$00c7,$00c4,$00c1,$00be,$00bb,$00b8
.word $00b5,$00b2,$00af,$00ac,$00a9,$00a6,$00a3,$00a0
.word $009e,$009b,$0098,$0095,$0092,$008f,$008c,$008a
.word $0087,$0084,$0081,$007f,$007c,$0079,$0077,$0074
.word $0071,$006f,$006c,$006a,$0067,$0064,$0062,$0060
.word $005d,$005b,$0058,$0056,$0054,$0051,$004f,$004d
.word $004a,$0048,$0046,$0044,$0042,$0040,$003e,$003c
.word $003a,$0038,$0036,$0034,$0032,$0030,$002e,$002c
.word $002b,$0029,$0027,$0026,$0024,$0022,$0021,$001f
.word $001e,$001c,$001b,$0019,$0018,$0017,$0015,$0014
.word $0013,$0012,$0011,$0010,$000e,$000d,$000c,$000b
.word $000b,$000a,$0009,$0008,$0007,$0006,$0006,$0005
.word $0004,$0004,$0003,$0003,$0002,$0002,$0001,$0001
.word $0001,$0000,$0000,$0000,$0000,$0000,$0000,$0000
.word $0000,$0000,$0000,$0000,$0000,$0000,$0000,$0000
.word $0001,$0001,$0001,$0002,$0002,$0003,$0003,$0004
.word $0004,$0005,$0006,$0006,$0007,$0008,$0009,$000a
.word $000b,$000b,$000c,$000d,$000e,$0010,$0011,$0012
.word $0013,$0014,$0015,$0017,$0018,$0019,$001b,$001c
.word $001e,$001f,$0021,$0022,$0024,$0026,$0027,$0029
.word $002b,$002c,$002e,$0030,$0032,$0034,$0036,$0038
.word $003a,$003c,$003e,$0040,$0042,$0044,$0046,$0048
.word $004a,$004d,$004f,$0051,$0054,$0056,$0058,$005b
.word $005d,$0060,$0062,$0064,$0067,$006a,$006c,$006f
.word $0071,$0074,$0077,$0079,$007c,$007f,$0081,$0084
.word $0087,$008a,$008c,$008f,$0092,$0095,$0098,$009b
.word $009e,$00a0,$00a3,$00a6,$00a9,$00ac,$00af,$00b2
.word $00b5,$00b8,$00bb,$00be,$00c1,$00c4,$00c7,$00ca
.word $00ce,$00d1,$00d4,$00d7,$00da,$00dd,$00e0,$00e3
.word $00e6,$00ea,$00ed,$00f0,$00f3,$00f6,$00f9,$00fc
vramRowEndsMinusOne:
.word $209f,$213f,$21df,$227f,$231f,$23bf,$245f,$24ff,$259f,$263f,$26df,$277f,$281f,$28bf,$295f,$29ff,$2a9f,$2b3f,$2bdf,$2c7f

View File

@ -243,14 +243,6 @@ generateTerrainLoop:
lda sineTable,x
lsr
lsr
lsr
lsr
lsr
lsr
lsr
lsr
lsr
lsr
@ -261,11 +253,13 @@ generateTerrainLoop:
iny
iny
inx
inx
inx
clc
txa
and #$00ff
adc #12
tax
txa
and #$03ff
tax
cpy #TERRAINWIDTH/2