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

Added emulation and more clipping for the BAR function.

Browse Source 
Copy colors and page count into local storage from the driver.
Added more functions.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1322 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2002-06-22 13:10:02 +00:00
parent dcbd059858
commit 897c1d8523
9 changed files with 241 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
libsrc/tgi/tgi_emu_bar.s Normal file
View File

@@ -0,0 +1,80 @@
;
; Ullrich von Bassewitz, 22.06.2002
;
; Emulation for tgi_bar.
;
.include "tgi-kernel.inc"
.importzp ptr1, ptr2, ptr3, ptr4
.export tgi_emu_bar
tgi_emu_bar:
lda ptr4
sta Y2
lda ptr4+1
sta Y2+1
lda ptr3
sta X2
lda ptr3+1
sta X2+1
lda ptr2
sta ptr4
sta Y1
lda ptr2+1
sta ptr4+1
sta Y1+1
lda ptr1
sta X1
lda ptr1+1
sta X1+1
@L1: jsr tgi_line
lda Y1
cmp Y2
bne @L2
lda Y1
cmp Y2
beq @L4
@L2: inc Y1
bne @L3
inc Y1+1
@L3: lda Y1
sta ptr2
sta ptr4
lda Y1+1
sta ptr2+1
sta ptr4+1
lda X1
sta ptr1
lda X1+1
sta ptr1+1
lda X2
sta ptr3
lda X2+1
sta ptr3+1
jmp @L1
@L4: rts
;-----------------------------------------------------------------------------
; Data
.bss
DY: .res 2
X1: .res 2
X2: .res 2
Y1: .res 2
Y2: .res 2