daniel/GB-GameOfLife
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automata bugfixes

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Daniel Borges
2018-12-29 19:48:24 +01:00
parent 816db6c101
commit 6d932e0166
1 changed files with 13 additions and 15 deletions
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28
Code/main.asm
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@@ -481,17 +481,13 @@ Conway:
xor a
ldh [Alive], a
; load cells pointer to first neighbor
ld c, LOW(Cells + 1)
; load cells pointer
ld c, LOW(Cells)
.loop
; load next mask
ld a, [hl+]
; check end of table
cp a, $FF
jr z, .decide
; move mask to d
ld d, a
@@ -517,10 +513,12 @@ Conway:
inc c
; loop over all neighbors
jr .loop
ld a, c
cp a, LOW(Cells + 9)
jr nz, .loop
; load current group mask
.decide
; load current group mask
ld b, [hl]
; load current cell group
@@ -546,8 +544,8 @@ Conway:
ret
.dead
; check if there is two neighbors
cp a, 2
; check if there is three neighbors
cp a, 3
jr z, .writealive
.writedead
@@ -726,11 +724,11 @@ RightColumn: dw -19, 1, 20, 19, -1, -21, -20, -39
Inner: dw 1, 21, 20, 19, -1, -21, -20, -19
SECTION "Game of Life neighboring masks", ROM0
; order matters I, R, BR, B, BL, L, TL, T, TR, SELF, END
TopLeftMask: db 14, 0, 0, 0, 0, 10, 8, 12, 0, 1, $FF
TopRightMask: db 13, 5, 0, 0, 0, 0, 0, 12, 4, 2, $FF
BottomLeftMask: db 11, 0, 0, 3, 2, 10, 0, 0, 0, 4, $FF
BottomRightMask: db 7, 5, 1, 3, 0, 0, 0, 0, 0, 8, $FF
; order matters I, R, BR, B, BL, L, TL, T, TR, SELF
TopLeftMask: db 14, 0, 0, 0, 0, 10, 8, 12, 0, 1
TopRightMask: db 13, 5, 0, 0, 0, 0, 0, 12, 4, 2
BottomLeftMask: db 11, 0, 0, 3, 2, 10, 0, 0, 0, 4
BottomRightMask: db 7, 5, 1, 3, 0, 0, 0, 0, 0, 8
SECTION "Bits Set", ROM0, ALIGN[4]
BitsSet: