the10thwiz/cc65
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Updated the cx16 library to the ROM's prerelease 36.

Browse Source
This commit is contained in:
Greg King
2020-01-10 15:17:23 -05:00
parent 244dc358e5
commit b66f7272af
19 changed files with 357 additions and 214 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
libsrc/cx16/mcbdefault.s
View File

@@ -1,44 +1,29 @@
;
; Default mouse callbacks for the CX16
;
; 2019-12-25, Greg King
;
; All functions in this module should be interrupt-safe
; because they might be called from an interrupt handler.
; 2020-01-10, Greg King
;
.export _mouse_def_callbacks
.import MOUSE_GET, SPRITE_SET_POSITION
.include "cx16.inc"
msprite:
stz VERA::CTRL ; set address for VERA's data port zero
lda #<(VERA::SPRITE::ATTRIB::Z_FLIP + 0 * 8)
ldx #>(VERA::SPRITE::ATTRIB::Z_FLIP + 0 * 8)
ldy #^(VERA::SPRITE::ATTRIB::Z_FLIP + 0 * 8) | VERA::INC0
sta VERA::ADDR
stx VERA::ADDR+1
sty VERA::ADDR+2
rts
; --------------------------------------------------------------------------
; Hide the mouse pointer.
hide: jsr msprite
lda VERA::DATA0
and #<~VERA::SPRITE::DEPTH::LAYER1
sta VERA::DATA0
rts
hide: ldx #%10000000
stx gREG::r0H
bra mse
; --------------------------------------------------------------------------
; Show the mouse pointer.
show: jsr msprite
lda VERA::DATA0
ora #VERA::SPRITE::DEPTH::LAYER1
sta VERA::DATA0
rts
show: ldx #gREG::r0
jsr MOUSE_GET
mse: lda #$00 ; mouse sprite
jmp SPRITE_SET_POSITION
; --------------------------------------------------------------------------
; Prepare to move the mouse pointer.
@@ -53,13 +38,13 @@ draw: ; Fall through
; --------------------------------------------------------------------------
; Move the mouse pointer X position to the value in .XA .
movex: ; Already set by drivers
movex: ; Already done by Kernal
; Fall through
; --------------------------------------------------------------------------
; Move the mouse pointer Y position to the value in .XA .
movey: rts ; Already set by drivers
movey: rts ; Already done by Kernal
; --------------------------------------------------------------------------
; Callback structure