6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-06-07 23:29:39 +00:00
Code Issues Projects Releases Wiki Activity

Fixed the horizontal movement of the mouse pointer on platforms with the VIC-II display chip.

Browse Source 
ca65's logical (Boolean) NOT operator was used where bitwise NOT should be used.  The effect was that all sprites were shifted to the left side of a screen when the mouse sprite was put on the left side.
This commit is contained in:
Greg King 2020-11-27 21:19:49 -05:00
parent 8b42f570e9
commit a0d986faf8
3 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libsrc/c128/mcbdefault.s
View File

@ -22,7 +22,7 @@
MOUSE_SPR = 0 ; Sprite used for the mouse
MOUSE_SPR_MEM = $0E00 ; Memory location
MOUSE_SPR_MASK = $01 .shl MOUSE_SPR ; Positive mask
MOUSE_SPR_NMASK = .lobyte(.not MOUSE_SPR_MASK) ; Negative mask
MOUSE_SPR_NMASK = .lobyte(.bitnot MOUSE_SPR_MASK) ; Negative mask
VIC_SPR_X = (VIC_SPR0_X + 2*MOUSE_SPR) ; Sprite X register
VIC_SPR_Y = (VIC_SPR0_Y + 2*MOUSE_SPR) ; Sprite Y register

2
libsrc/c64/mcbdefault.s
View File

@ -23,7 +23,7 @@
; of the sprite used for the mouse. All others depend on this value.
MOUSE_SPR = 0 ; Sprite used for the mouse
MOUSE_SPR_MASK = $01 .shl MOUSE_SPR ; Positive mask
MOUSE_SPR_NMASK = .lobyte(.not MOUSE_SPR_MASK) ; Negative mask
MOUSE_SPR_NMASK = .lobyte(.bitnot MOUSE_SPR_MASK) ; Negative mask
VIC_SPR_X = (VIC_SPR0_X + 2*MOUSE_SPR) ; Sprite X register
VIC_SPR_Y = (VIC_SPR0_Y + 2*MOUSE_SPR) ; Sprite Y register

2
libsrc/cbm510/mcbdefault.s
View File

@ -24,7 +24,7 @@
MOUSE_SPR = 0 ; Sprite used for the mouse
MOUSE_SPR_MEM = $F400 ; Memory location
MOUSE_SPR_MASK = $01 .shl MOUSE_SPR ; Positive mask
MOUSE_SPR_NMASK = .lobyte(.not MOUSE_SPR_MASK) ; Negative mask
MOUSE_SPR_NMASK = .lobyte(.bitnot MOUSE_SPR_MASK) ; Negative mask
VIC_SPR_X = (VIC_SPR0_X + 2*MOUSE_SPR) ; Sprite X register
VIC_SPR_Y = (VIC_SPR0_Y + 2*MOUSE_SPR) ; Sprite Y register