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ca65: fixed listing parsing

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This commit is contained in:
Steven Hugg 2023-10-15 10:28:48 -05:00
parent 9e6fc9a0e3
commit 2e2996bd73
2 changed files with 64 additions and 7 deletions
presets/vcs
skeleton.cc65
src/worker/tools
cc65.ts

56
presets/vcs/skeleton.cc65 Normal file

@ -0,0 +1,56 @@
/*****************************************************************************/
/* */
/* Atari VCS 2600 sample C program */
/* */
/* Florent Flament (contact@florentflament.com), 2017 */
/* */
/*****************************************************************************/
#include <atari2600.h>
// PAL Timings
// Roughly computed based on Stella Programmer's guide (Steve Wright)
// scanlines count per section.
#define VBLANK_TIM64 51 // 45 lines * 76 cycles/line / 64 cycles/tick
#define KERNAL_T1024 17 // 228 lines * 76 cycles/line / 1024 cycles/tick
#define OVERSCAN_TIM64 42 // 36 lines * 76 cycles/line / 64 cycles/tick
// Testing memory zones
const unsigned char rodata_v[] = "Hello!";
unsigned char data_v = 0x77;
unsigned char bss_v;
void main(void) {
unsigned char color = 0x79; // Stack variable
bss_v = 0x88; // Testing BSS variable
for/*ever*/(;;) {
// Vertical Sync signal
TIA.vsync = 0x02;
TIA.wsync = 0x00;
TIA.wsync = 0x00;
TIA.wsync = 0x00;
TIA.vsync = 0x00;
// Vertical Blank timer setting
RIOT.tim64t = VBLANK_TIM64;
// Doing frame computation during blank
TIA.colubk = color++; // Update color
// Wait for end of Vertical Blank
while (RIOT.timint == 0) {}
TIA.wsync = 0x00;
TIA.vblank = 0x00; // Turn on beam
// Display frame
RIOT.t1024t = KERNAL_T1024;
while (RIOT.timint == 0) {}
TIA.wsync = 0x00;
TIA.vblank = 0x02; // Turn off beam
// Overscan
RIOT.tim64t = OVERSCAN_TIM64;
while (RIOT.timint == 0) {}
}
}

15
src/worker/tools/cc65.ts

@ -18,7 +18,7 @@ import { EmscriptenModule } from "../workermain"
00B726 1 xx xx IBSECSZ: .res 2
00BA2F 1 2A 2B E8 2C HEX "2A2BE82C2D2E2F303132F0F133343536"
*/
function parseCA65Listing(code: string, symbols, segments, params, dbg: boolean, listings?: CodeListingMap) {
function parseCA65Listing(asmfn: string, code: string, symbols, segments, params, dbg: boolean, listings?: CodeListingMap) {
var segofs = 0;
var offset = 0;
var dbgLineMatch = /^([0-9A-F]+)([r]?)\s+(\d+)\s+[.]dbg\s+(\w+), "([^"]+)", (.+)/;
@ -28,7 +28,7 @@ function parseCA65Listing(code: string, symbols, segments, params, dbg: boolean,
var origlines = [];
var lines = origlines;
var linenum = 0;
let curpath = '';
let curpath = asmfn || '';
// TODO: only does .c functions, not all .s files
for (var line of code.split(re_crlf)) {
var dbgm = dbgLineMatch.exec(line);
@ -62,13 +62,14 @@ function parseCA65Listing(code: string, symbols, segments, params, dbg: boolean,
insns: null
});
}
linenum++;
var linem = insnLineMatch.exec(line);
var topfile = linem && linem[3] == '1';
if (topfile) linenum++;
if (topfile && linem[1]) {
var offset = parseInt(linem[1], 16);
var insns = linem[4].trim();
if (insns.length) {
//console.log(curpath, linenum, offset, segofs, insns);
if (!dbg) {
lines.push({
path: curpath,
@ -222,18 +223,18 @@ export function linkLD65(step: BuildStep): BuildStepResult {
var lstout = FS.readFile(fn, { encoding: 'utf8' });
lstout = lstout.split('\n\n')[1] || lstout; // remove header
putWorkFile(fn, lstout);
console.log(step);
//const asmpath = fn.replace(/\.lst$/, '.ca65'); // TODO! could be .s
let isECS = step.debuginfo?.entities != null; // TODO
if (isECS) {
var asmlines = [];
var srclines = parseCA65Listing(lstout, symbolmap, segments, params, true, listings);
var srclines = parseCA65Listing(fn, lstout, symbolmap, segments, params, true, listings);
listings[fn] = {
lines: [],
text: lstout
}
} else {
var asmlines = parseCA65Listing(lstout, symbolmap, segments, params, false);
var srclines = parseCA65Listing(lstout, symbolmap, segments, params, true); // TODO: listings param for ecs
var asmlines = parseCA65Listing(fn, lstout, symbolmap, segments, params, false);
var srclines = parseCA65Listing('', lstout, symbolmap, segments, params, true);
listings[fn] = {
asmlines: srclines.length ? asmlines : null,
lines: srclines.length ? srclines : asmlines,