diff options
Diffstat (limited to 'drunkwalk.s')
| -rw-r--r-- | drunkwalk.s | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drunkwalk.s b/drunkwalk.s index 6156e4a..ca017c0 100644 --- a/drunkwalk.s +++ b/drunkwalk.s @@ -10,8 +10,8 @@ oob: rts drunkwalk: - ldy part_x ; 3 - ldx part_y ; 3 + ldy cursor_x ; 3 + ldx cursor_y ; 3 lda lineaddrs_l,x ; 5 sta pixptr ; 3 @@ -27,14 +27,14 @@ up: selfmod_ymin = * + 1 cpx #0 ; 2 beq oob ; 2 - stx part_y + stx cursor_y jmp check_lru down: inx ; 2 ; N=1 V=0 down selfmod_ymax = * + 1 cpx #0 ; 2 beq oob ; 2 - stx part_y + stx cursor_y jmp check_lrd lr: bvc right ; 2/3 @@ -43,7 +43,7 @@ left: selfmod_xmin = * + 1 cpy #0 ; 2 beq oob ; 2 - sty part_x + sty cursor_x ; check left neighbor (we just vacated the right one) dey lda (pixptr),y @@ -55,7 +55,7 @@ right: selfmod_xmax = * + 1 cpy #0 ; 2 beq oob ; 2 - sty part_x + sty cursor_x ; check right neighbor (we just vacated the left one) iny lda (pixptr),y |