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Removed emulation for BAR

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2605 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-11-03 17:39:00 +00:00
parent b20cc4cc6e
commit 7f12a14e12
4 changed files with 59 additions and 94 deletions
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1
libsrc/tgi/Makefile
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@@ -25,7 +25,6 @@ S_OBJS = tgi-kernel.o \
tgi_clear.o \
tgi_curtoxy.o \
tgi_done.o \
tgi_emu_bar.o \
tgi_getcolor.o \
tgi_getcolorcount.o \
tgi_getdefpalette.o \

12
libsrc/tgi/tgi-kernel.s
View File

@@ -99,17 +99,9 @@ _tgi_install:
cpx #(TGI_HDR_JUMPCOUNT*3)
bne @L1
; Check for emulation vectors needed
; Call the driver install routine
lda tgi_bar+1
ora tgi_bar+2 ; Do we have a BAR vector?
bne @L2 ; Jump if yes
lda #<tgi_emu_bar ; Use emulation if no
sta tgi_bar+1
lda #>tgi_emu_bar
sta tgi_bar+2
@L2: jsr tgi_install ; Call driver install routine, may...
jsr tgi_install ; Call driver install routine, may...
; ...update variables
jsr tgi_set_ptr ; Set ptr1 to tgi_drv

80
libsrc/tgi/tgi_emu_bar.s
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@@ -1,80 +0,0 @@
;
; Ullrich von Bassewitz, 22.06.2002
;
; Emulation for tgi_bar.
;
.include "tgi-kernel.inc"
.importzp ptr1, ptr2, ptr3, ptr4
.proc 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_horline
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
lda Y1+1
sta ptr2+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
.endproc
;-----------------------------------------------------------------------------
; Data
.bss
DY: .res 2
X1: .res 2
X2: .res 2
Y1: .res 2
Y2: .res 2