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Some fine tuning of the mouse driver interface harmonization.

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This commit is contained in:
Oliver Schmidt
2014-01-17 21:09:15 +01:00
parent 4065cb1983
commit 94eb2a2ed7
18 changed files with 94 additions and 134 deletions
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43
libsrc/c64/mcbdefault.s
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@@ -22,55 +22,41 @@ MOUSE_SPR_NMASK = .lobyte(.not 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
.code
; --------------------------------------------------------------------------
; Hide the mouse pointer. Always called with interrupts disabled.
.proc hide
hide:
lda #MOUSE_SPR_NMASK
and VIC_SPR_ENA
sta VIC_SPR_ENA
rts
.endproc
; --------------------------------------------------------------------------
; Show the mouse pointer. Always called with interrupts disabled.
.proc show
show:
lda #MOUSE_SPR_MASK
ora VIC_SPR_ENA
sta VIC_SPR_ENA
rts
.endproc
; --------------------------------------------------------------------------
; Draw the mouse pointer. Always called with interrupts disabled.
.proc draw
rts
.endproc
; Fall through
; --------------------------------------------------------------------------
; Prepare to move the mouse pointer. Always called with interrupts disabled.
.proc move
prep:
; Fall through
; --------------------------------------------------------------------------
; Draw the mouse pointer. Always called with interrupts disabled.
draw:
rts
.endproc
; --------------------------------------------------------------------------
; Move the mouse pointer X position to the value in a/x. Always called with
; interrupts disabled.
.proc movex
movex:
; Add the X correction and set the low byte. This frees A.
@@ -92,20 +78,15 @@ VIC_SPR_Y = (VIC_SPR0_Y + 2*MOUSE_SPR) ; Sprite Y register
sta VIC_SPR_HI_X
rts
.endproc
; --------------------------------------------------------------------------
; Move the mouse pointer Y position to the value in a/x. Always called with
; interrupts disabled.
.proc movey
movey:
add #50 ; Y correction (first visible line)
sta VIC_SPR_Y ; Set Y position
rts
.endproc
; --------------------------------------------------------------------------
; Callback structure
@@ -114,7 +95,7 @@ VIC_SPR_Y = (VIC_SPR0_Y + 2*MOUSE_SPR) ; Sprite Y register
_mouse_def_callbacks:
.addr hide
.addr show
.addr prep
.addr draw
.addr move
.addr movex
.addr movey