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

Added a 160x192x2 TGI (graphics) driver to the VIC-20 library.

Browse Source 
The driver requires a special linker configuration: "vic20-tgi.cfg".
The VIC-20 computer needs at least 8K of expansion RAM!

"tgidemo.c" needed to be adjusted because the VIC-20's vertical (y) range is greater than its horizontal (x) range -- the opposite of most other platforms.  Also, the circle demo would jam on the VIC-20.
This commit is contained in:
Greg King
2020-07-08 05:55:30 -04:00
parent d1833cc441
commit 410e4502ee
11 changed files with 1253 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
samples/Makefile
View File

@@ -230,6 +230,20 @@ ovrldemo: overlaydemo.o
OVERLAYLIST := $(foreach I,1 2 3,multdemo.$I ovrldemo.$I)
# --------------------------------------------------------------------------
# TGI programs on the VIC-20 need a special ld65 configuration file.
ifeq ($(SYS),vic20)
mandelbrot.o: override CFLAGS += -D DYN_DRV=0
mandelbrot: mandelbrot.o
$(LD) $(LDFLAGS) -o $@ -C vic20-tgi.cfg -m $@.map $^ $(SYS).lib
# tgidemo needs at least 16K of RAM expansion.
tgidemo.o: override CFLAGS += -D DYN_DRV=0
tgidemo: tgidemo.o
$(LD) -D __HIMEM__=0x6000 $(LDFLAGS) -o $@ -C vic20-tgi.cfg -m $@.map $^ $(SYS).lib
endif
# --------------------------------------------------------------------------
# Rule to make a CBM disk with all samples. Needs the c1541 program that comes
# with the VICE emulator.