diff options
-rwxr-xr-x | data/sine_table.asm | 11 | ||||
-rwxr-xr-x | home.asm | 13 |
2 files changed, 16 insertions, 8 deletions
diff --git a/data/sine_table.asm b/data/sine_table.asm new file mode 100755 index 0000000..c694231 --- /dev/null +++ b/data/sine_table.asm @@ -0,0 +1,11 @@ +SineTable:
+ db $00, $06, $0D, $13, $19, $1F, $26, $2C, $32, $38, $3E, $44, $4A, $50, $56, $5C
+ db $62, $68, $6D, $73, $79, $7E, $84, $89, $8E, $93, $98, $9D, $A2, $A7, $AC, $B1
+ db $B5, $B9, $BE, $C2, $C6, $CA, $CE, $D1, $D5, $D8, $DC, $DF, $E2, $E5, $E7, $EA
+ db $ED, $EF, $F1, $F3, $F5, $F7, $F8, $FA, $FB, $FC, $FD, $FE, $FF, $FF, $FF, $FF
+ db $FF
+
+UnusedData_26ff:
+ db $04, $0A, $10, $17, $1D, $23, $2A, $30, $37, $3D, $44, $4B, $52, $59, $60, $67
+ db $6E, $76, $7D, $85, $8D, $96, $9E, $A7, $B0, $BA, $C3, $CD, $D8, $E3, $EE, $FA
+ db $FF
@@ -4157,12 +4157,13 @@ Sine: ; 0x2149 ; sin(a) push hl ld [hSignedMathSignBuffer], a - and $7f + and $7f ; subtract 180 degrees cp $40 - jr c, .positive + jr c, .firstQuadrant + ; convert angle so it's between 0 and 90 degrees cpl add $80+1 -.positive +.firstQuadrant ld hl, SineTable ld e, a ld d, $0 @@ -4976,11 +4977,7 @@ SubTileXPos_CollisionData7: ; 0x268e db $18, $10, $04 db $18, $08, $03 -SineTable: - dr $26be, $26ff - -Data_26ff: - dr $26ff, $2720 +INCLUDE "data/sine_table.asm" CheckGameObjectCollisions: ; 0x2720 ld a, $ff |