mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-05-31 21:41:32 +00:00
spiral: more code comments
This commit is contained in:
parent
f2f013df67
commit
0e657e6b4e
|
@ -25,7 +25,8 @@ XDRAW1 = $F661
|
||||||
HPLOT0 = $F457
|
HPLOT0 = $F457
|
||||||
|
|
||||||
spiraling_shape:
|
spiraling_shape:
|
||||||
jsr HGR2 ; Hi-res, full screen ; 3
|
jsr HGR2 ; Set Hi-resolution (140x192) mode
|
||||||
|
; HGR2 means use PAGE2 and no text at bottom
|
||||||
; Y=0, A=0 after this call
|
; Y=0, A=0 after this call
|
||||||
|
|
||||||
; A and Y are 0 here.
|
; A and Y are 0 here.
|
||||||
|
@ -73,7 +74,8 @@ tiny_loop:
|
||||||
|
|
||||||
our_shape = $E2DF ; location in the Applesoft ROM
|
our_shape = $E2DF ; location in the Applesoft ROM
|
||||||
; that holds $11,$F0,$03,$20,$00
|
; that holds $11,$F0,$03,$20,$00
|
||||||
; which makes a nice line in shape table
|
; which makes a nice line when
|
||||||
|
; interpreted as a shape table
|
||||||
; (it points into the code for the FRE()
|
; (it points into the code for the FRE()
|
||||||
; BASIC routine but that's not important)
|
; BASIC routine but that's not important)
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue
Block a user