new cc65 version; move to WASM

doc/notes.txt

@@ -16,8 +16,7 @@ TODO:
 - break on BRK/illegal opcode?
 - multiple breakpoints, expression breakpoints
 - watchpoints
-- breakpoints
+- debug inspector for variables
-- debug inspector
 - MAME single step (?)
 - step over (line, instruction)
 - slowdown beam for all platforms?
@@ -39,13 +38,12 @@ TODO:
 - online tools for music etc
 - text log debugging script
 - NES crt should mark raster pos when debugging
-- intro/help text for each platform (+ memory map)
+- intro/help text for each platform
 - vscode/atom extension?
 - navigator.getGamepads
-- VCS library
+- VCS asm library
 - better VCS single stepping, maybe also listings
 - VCS skips step on lsr/lsr after run to line
-- bring back the profiler!
 - links to external tools in ide
 - error msg when #link doesn't work
 - figure out folders for projects for real
@@ -55,7 +53,6 @@ TODO:
 - quantify verilog "graph iterations"
 - debug bankswitching for funky formats
 - spaces in filename don't parse code listing (DASM, maybe more)
-- zmac: item_lookup needs better hash function
 - 'undefined' for bitmap replacer
 - astrocade: run to cursor in hello world messes up emulation
 - requestInterrupt needs to be disabled after breakpoint?
@@ -73,13 +70,11 @@ TODO:
 - compiler flags for final ROM build
 - workermain: split build functions, better msg types
 - vcs: INPTx needs to be added to control state
-- rename, delete, save as
 - sdcc: can't link asm files before c files (e.g. acheader.s must be last)
 - what if >1 file with same name? (local/nonlocal/directory)
 - what if .c and .s names collide?
 - live coding URL
-- memory viewer: ROM/RAM/VRAM/etc
+- resize memory browser when vertical div resize
-- resize memory browser when split resize (any div resize)
 - preroll the emulator so optimizer does its thing before loading rom
 - wasm dynamic linking of emulators (https://github.com/WebAssembly/tool-conventions/blob/master/DynamicLinking.md)
 - use alternate confirm/prompt dialogs
@@ -94,8 +89,6 @@ TODO:
 - https://makecode.com/language?
 - show .map file in listings? memory map view?
 - open ROM from URL?
-- NES: disassembly not aligned on PC
-- NES: vrambuf.c for Solarian
 - game starts even if switched away before first load
 - vcs: break on # of lines changed (maybe using getRasterPosition?)
 - profiler restarts when paused

emsrc/cc65/Makefile.emcc

@@ -1,9 +1,10 @@
-# Emscripten target (see https://github.com/apiaryio/emscripten-docker)
 
-DOCKEREMCC=docker run --rm -v $(shell pwd):/src -e USERID=$(shell id -u) -t apiaryio/emcc
+CC=emcc
 
-%.js: bin/%.bc
+all: js/cc65.js js/ca65.js js/ld65.js
-	$(DOCKEREMCC) emcc -O2 --memory-init-file 0 \
+
+js/%.js: bin/%.bc
+	emcc -O2 --memory-init-file 0 \
 		-s ASM_JS=1 \
 		-s MODULARIZE=1 \
 		-s EXPORT_NAME=\"'$*'\" \
@@ -13,13 +14,32 @@ DOCKEREMCC=docker run --rm -v $(shell pwd):/src -e USERID=$(shell id -u) -t apia
 
 bin/%.bc:
 	mkdir -p bin js
-	$(DOCKEREMCC) emmake make $*
+	emmake make $* CC=emcc
 	cp bin/$*.exe bin/$*.bc
 
-emscripten: include asminc cfg lib/apple2.lib target/apple2
+FILE_PACKAGER=python $(EMSCRIPTEN)/tools/file_packager.py 
-	cp -rp src Makefile js
+
-	make -C js cc65.js ca65.js co65.js ld65.js
+fs65-all.js:
-	$(DOCKEREMCC) \
+	python $(EMSCRIPTEN)/tools/file_packager.py fs65.data \
-		python /emscripten/tools/file_packager.py fs65.data \
+	--preload include asminc cfg lib target \
-		--preload include asminc cfg lib/apple2.lib target/apple2 \
+	neslib/nes.cfg@cfg/neslib.cfg \
-		--separate-metadata --js-output=fs65.js
+	neslib/neslib.lib@lib/neslib.lib \
+	neslib/neslib.h@include/neslib.h \
+	--separate-metadata --js-output=fs65.js
+
+fs65-nes.js:
+	$(FILE_PACKAGER) fs65-nes.data --separate-metadata --js-output=$@ \
+	--preload include asminc cfg/nes* lib/nes* target/nes* \
+	neslib/nes.cfg@cfg/neslib.cfg \
+	neslib/neslib.lib@lib/neslib.lib \
+	neslib/neslib.h@include/neslib.h \
+
+fs65-atari8.js:
+	$(FILE_PACKAGER) fs65-atari8.data --separate-metadata --js-output=$@ \
+	--preload include asminc cfg/atari* lib/atari* target/atari*
+
+fs65-%.js:
+	$(FILE_PACKAGER) fs65-$*.data --separate-metadata --js-output=$@ \
+	--preload include asminc cfg/$** lib/$** target/$**
+
+filesystems: fs65-nes.js fs65-apple2.js fs65-c64.js fs65-atari8.js

presets/nes/Makefile

@@ -1,3 +1,14 @@
 
+CC65LIB=../../src/worker/lib/nes/
+NESLIB=$(HOME)/compilers/cc65/neslib/
+
+shoot2: shoot2.c neslib.h
+	cl65 -tnes -O -o $@ -l $@.lst vrambuf.c bcd.c apu.c shoot2.c -lnes -lneslib $(CC65LIB)/crt0.o -L$(CC65LIB) -C$(NESLIB)/nes.cfg\
+	 -Wl -DNES_MIRRORING=1 -Wl -DNES_PRG_BANKS=2 -Wl -DNES_CHR_BANKS=0 -Wl -DNES_MAPPER=2
+
+conio: conio.c
+	cl65 -l conio.lst -tnes -O $<
+
 test.rom: ex2.asm nesdefs.asm nesppu.asm
 	dasm ex2.asm
+

presets/nes/shoot2.c

@@ -429,15 +429,9 @@ void return_attacker(register AttackingEnemy* a) {
   }
 }
 
-#pragma bss-name (push,"ZEROPAGE")
-#pragma data-name (push,"ZEROPAGE")
-int sincos;
-#pragma data-name(pop)
-#pragma bss-name (pop)
-
 void fly_attacker(register AttackingEnemy* a) {
-#if 1
+#ifdef USE_FASTLUT
-  //register int sincos;
+  static int sincos;
   sincos = FASTLUT16(sincos, SINTBL2, a->dir&31);
   a->x += sincos;
   sincos = FASTLUT16(sincos, SINTBL2, (a->dir+8)&31);
@@ -766,6 +760,10 @@ void play_round() {
   }
 }
 
+// turn off aggressive inlining to save a few bytes
+// functions after this point aren't called often
+#pragma codesize(100)
+
 void set_shifted_pattern(const byte* src, word dest, byte shift) {
   static byte buf[16*3];
   byte y;

src/worker/workermain.ts

@@ -474,7 +474,7 @@ function loadWASM(modulename:string, debug?:boolean) {
     xhr.send(null);
     if (xhr.response) {
       wasmBlob[modulename] = new Uint8Array(xhr.response);
-      console.log("Loaded " + modulename + ".wasm");
+      console.log("Loaded " + modulename + ".wasm (" + wasmBlob[modulename].length + " bytes)");
       loaded[modulename] = 1;
     } else {
       throw Error("Could not load WASM file " + modulename + ".wasm");
@@ -1022,7 +1022,7 @@ function fixParamsWithDefines(path:string, params){
 }
 
 function compileCC65(step:BuildStep) {
-  load("cc65");
+  loadNative("cc65");
   var params = step.params;
   // stderr
   var re_err1 = /.*?[(](\d+)[)].*?: (.+)/;
@@ -1043,6 +1043,7 @@ function compileCC65(step:BuildStep) {
   var destpath = step.prefix + '.s';
   if (staleFiles(step, [destpath])) {
     var CC65 = emglobal.cc65({
+      instantiateWasm: moduleInstFn('cc65'),
       noInitialRun:true,
       //logReadFiles:true,
       print:print_fn,
@@ -1053,7 +1054,7 @@ function compileCC65(step:BuildStep) {
     populateFiles(step, FS);
     fixParamsWithDefines(step.path, params);
     execMain(step, CC65, ['-T', '-g',
-      '-Oirs',
+      '-Oirs', // don't inline CodeSizeFactor 200? (no -Oi)
       '-Cl', // static locals
       '-I', '/share/include',
       '-D' + params.define,

tss

@@ -1 +1 @@
-Subproject commit d630ddcb29d74a178cde043d74188fac35d6a21f
+Subproject commit 61a1691a1de05dca3b694bf603db49ffbaf572cf