forked from arti/vt1200
feat(termtris): 80x24 cell-grid X11 renderer (6x13 cells)
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*****************************************************
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TMS340 COFF Linker Version 5.01
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*****************************************************
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Tue Nov 03 19:00:04 2026
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OUTPUT FILE NAME: <RENDER.out>
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ENTRY POINT SYMBOL: "_start" address: 018a0000
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MEMORY CONFIGURATION
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name origin length attributes
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-------- -------- --------- ----------
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prog 018a0000 000020000 RWIX
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ram 01a00000 000040000 RWIX
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SECTION ALLOCATION MAP
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output attributes/
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section page origin length input sections
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-------- ---- ---------- ---------- ----------------
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.text 0 018a0000 00003af0
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018a0000 00000150 ENTRY.obj (.text)
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018a0150 00001280 RENDER.obj (.text)
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018a13d0 00002510 X11.obj (.text)
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018a38e0 00000210 XGFIX.obj (.text)
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.cinit 0 018a3af0 000000a0
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018a3af0 00000050 RENDER.obj (.cinit)
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018a3b40 00000050 X11.obj (.cinit)
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.bss 0 01a00000 0001d080 UNINITIALIZED
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01a00000 00008000 ENTRY.obj (.bss)
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01a08000 00000260 RENDER.obj (.bss)
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01a08260 00012e20 X11.obj (.bss)
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01a1b080 00002000 XGFIX.obj (.bss)
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.data 0 018a0000 00000000 UNINITIALIZED
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GLOBAL SYMBOLS
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address name address name
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-------- ---- -------- ----
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01a00000 .bss 018a0000 .text
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018a0000 .data 018a0000 .data
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018a0000 .text 018a0000 edata
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018a0370 _main 018a0000 _start
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01a08000 _mark 018a0370 _main
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018a0000 _start 018a13d0 _vt_root_window
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01a1afa0 _term_clearscr 018a14b0 _vt_x11_init
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01a1afe0 _term_cursor 018a1b60 _x11_clearscr
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01a08220 _term_height 018a1d50 _x11_reset
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01a1b020 _term_ibmchar 018a1d90 _x11_cursor
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018a3870 _term_init 018a1df0 _x11_setcolor
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018a2600 _term_putstr 018a1f10 _x11_setcursor
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01a1af80 _term_reset 018a2160 _x11_ibmchar
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01a1b000 _term_setcolor 018a2600 _term_putstr
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01a1afc0 _term_setcursor 018a27a0 _vt_x11_flush
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01a1b060 _term_type 018a3550 _vt_x11_term_init
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01a08200 _term_width 018a3870 _term_init
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01a1b040 _termenv 018a38e0 _vt_install_xg
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01a1aee0 _vt_dpy 018a3af0 etext
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01a1af20 _vt_gc 018a3af0 cinit
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018a38e0 _vt_install_xg 01a00000 .bss
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018a13d0 _vt_root_window 01a08000 _mark
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01a1af00 _vt_win 01a08200 _term_width
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01a1af60 _vt_x11_drain_events 01a08220 _term_height
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018a27a0 _vt_x11_flush 01a1aee0 _vt_dpy
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018a14b0 _vt_x11_init 01a1af00 _vt_win
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01a1af40 _vt_x11_progress 01a1af20 _vt_gc
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018a3550 _vt_x11_term_init 01a1af40 _vt_x11_progress
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018a1b60 _x11_clearscr 01a1af60 _vt_x11_drain_events
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018a1d90 _x11_cursor 01a1af80 _term_reset
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018a2160 _x11_ibmchar 01a1afa0 _term_clearscr
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018a1d50 _x11_reset 01a1afc0 _term_setcursor
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018a1df0 _x11_setcolor 01a1afe0 _term_cursor
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018a1f10 _x11_setcursor 01a1b000 _term_setcolor
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018a3af0 cinit 01a1b020 _term_ibmchar
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018a0000 edata 01a1b040 _termenv
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01a1d080 end 01a1b060 _term_type
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018a3af0 etext 01a1d080 end
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[38 symbols]
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Binary file not shown.
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After Width: | Height: | Size: 19 KiB |
@@ -0,0 +1,190 @@
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/*
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* x11.c -- a small character-cell terminal that draws through the VT1200 ROM
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* Xlib. The game's term_* callbacks feed an 80x24 grid; vt_x11_flush() paints
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* only the dirty cells with XFillRectangle (background) + XDrawString (glyph).
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*
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* Geometry is the default GC's font, measured on the real server: 6x13 cells,
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* baseline +10. Do not change the cell metrics without re-measuring.
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*/
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#include "xlib.h"
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#include "x11.h"
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#include "term.h"
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#include "game.h"
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#define COLS 80
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#define ROWS 24
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#define CELL_W 6
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#define CELL_H 13
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#define BASE_OFF 10
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struct vt_cell {
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unsigned short ch;
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unsigned char fg, bg, dirty;
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};
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static struct vt_cell cells[ROWS * COLS];
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static int cur_row, cur_col;
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static int cur_fg, cur_bg;
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void *vt_dpy;
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vt_u32 vt_win;
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vt_u32 vt_gc;
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volatile vt_u32 vt_x11_progress;
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int vt_x11_drain_events;
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/* term.h's callback objects (term.c is not compiled for the VT1200). */
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void (*term_reset)(void);
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void (*term_clearscr)(void);
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void (*term_setcursor)(int row, int col);
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void (*term_cursor)(int show);
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void (*term_setcolor)(int fg, int bg);
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void (*term_ibmchar)(unsigned char c, unsigned char attr);
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char *termenv;
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int term_type = TERM_ANSI;
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vt_u32 vt_root_window(void *dpy)
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{
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vt_u32 screen;
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screen = *(vt_u32 *)((char *)dpy + 0x90);
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return *(vt_u32 *)((char *)screen + 8);
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}
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int vt_x11_init(void)
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{
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if(!vt_install_xg())
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return -1;
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vt_dpy = VT_XOPEN("0::0");
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if(!vt_dpy)
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return -1;
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vt_win = VT_XCREATE(vt_dpy, vt_root_window(vt_dpy), 80, 80, 480, 312, 2, 1, 0);
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if(!vt_win)
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return -1;
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VT_XSELECT(vt_dpy, vt_win, 0x22000FUL);
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vt_gc = VT_XGC(vt_dpy, vt_win, 0, 0);
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if(!vt_gc)
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return -1;
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VT_XMAP(vt_dpy, vt_win);
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VT_XSYNC(vt_dpy, 0);
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return 0;
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}
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void x11_clearscr(void)
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{
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int i;
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for(i = 0; i < ROWS * COLS; i++) {
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cells[i].ch = ' ';
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cells[i].fg = 0;
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cells[i].bg = 0;
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cells[i].dirty = 1;
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}
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cur_row = cur_col = 0;
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}
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void x11_reset(void)
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{
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x11_clearscr();
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}
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void x11_cursor(int show)
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{
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(void)show;
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}
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void x11_setcolor(int fg, int bg)
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{
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cur_fg = fg;
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cur_bg = bg;
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}
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void x11_setcursor(int row, int col)
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{
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if(row < 0) row = 0;
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if(row >= ROWS) row = ROWS - 1;
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if(col < 0) col = 0;
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if(col >= COLS) col = COLS - 1;
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cur_row = row;
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cur_col = col;
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}
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void x11_ibmchar(unsigned char c, unsigned char attr)
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{
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struct vt_cell *p;
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if(cur_row < 0 || cur_row >= ROWS) return;
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if(cur_col < 0 || cur_col >= COLS) return;
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p = &cells[cur_row * COLS + cur_col];
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p->ch = c;
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p->fg = (attr >> 4) & 0xf;
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p->bg = attr & 0xf;
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p->dirty = 1;
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cur_col++;
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if(cur_col >= COLS) {
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cur_col = 0;
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cur_row++;
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}
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}
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void term_putstr(const char *s, unsigned char attr)
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{
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while(*s) {
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x11_ibmchar((unsigned char)*s++, attr);
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}
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}
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void vt_x11_flush(void)
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{
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int i, row_dirty = 0, dirty_any = 0;
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char one[2];
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vt_x11_progress = 1;
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for(i = 0; i < ROWS * COLS; i++) {
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struct vt_cell *p = &cells[i];
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vt_x11_progress = 0x100 + (vt_u32)i;
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if(p->dirty) {
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int x, y, bgpx, fgpx;
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x = (i % COLS) * CELL_W;
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y = (i / COLS) * CELL_H;
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bgpx = p->bg == 0 ? 0 : 1;
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fgpx = p->fg == 0 ? 0 : 1;
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VT_XSETFG(vt_dpy, vt_gc, (vt_u32)bgpx);
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VT_XFILL(vt_dpy, vt_win, vt_gc, x, y, CELL_W, CELL_H);
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VT_XSETFG(vt_dpy, vt_gc, (vt_u32)fgpx);
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one[0] = (char)p->ch;
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one[1] = 0;
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VT_XDRAW(vt_dpy, vt_win, vt_gc, x, y + BASE_OFF, one, 1);
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p->dirty = 0;
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row_dirty = 1;
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dirty_any = 1;
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}
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if((i % COLS) == COLS - 1 && row_dirty) {
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vt_u32 ev[24];
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vt_x11_progress = 0x10000 + (vt_u32)(i / COLS);
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VT_XSYNC(vt_dpy, 0);
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if(vt_x11_drain_events) {
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while(*(vt_u32 *)((char *)vt_dpy + 0x54) != 0) {
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VT_XNEXT(vt_dpy, (void *)ev);
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}
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}
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row_dirty = 0;
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}
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}
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if(dirty_any) {
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VT_XSYNC(vt_dpy, 0);
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}
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vt_x11_progress = 0xFFFFFFUL;
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}
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void vt_x11_term_init(void)
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{
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term_width = COLS;
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term_height = ROWS;
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term_reset = x11_reset;
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term_clearscr = x11_clearscr;
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term_setcursor = x11_setcursor;
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term_cursor = x11_cursor;
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term_setcolor = x11_setcolor;
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term_ibmchar = x11_ibmchar;
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}
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void term_init(void)
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{
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vt_x11_term_init();
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}
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@@ -0,0 +1,25 @@
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/*
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* x11.h -- the VT1200 cell-grid X11 backend.
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*/
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#ifndef VT_X11_H_
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#define VT_X11_H_
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#include "xlib.h"
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extern void *vt_dpy;
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extern vt_u32 vt_win;
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extern vt_u32 vt_gc;
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extern int vt_x11_drain_events;
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int vt_x11_init(void);
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void vt_x11_flush(void);
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void vt_x11_term_init(void);
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void x11_reset(void);
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void x11_clearscr(void);
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void x11_setcursor(int row, int col);
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void x11_cursor(int show);
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void x11_setcolor(int fg, int bg);
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void x11_ibmchar(unsigned char c, unsigned char attr);
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#endif
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@@ -0,0 +1,59 @@
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/*
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* render.c -- Task 3 acceptance: draw a border, a playfield outline and
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* TERMTRIS through the cell-grid backend, then keep the window alive so the
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* loader can snapshot it.
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*/
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#include "xlib.h"
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#include "x11.h"
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extern int vt_install_xg(void);
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volatile vt_u32 mark[16];
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int term_width, term_height;
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static const char *word = "TERMTRIS";
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static void put(int row, int col, const char *s, unsigned char attr)
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{
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x11_setcursor(row, col);
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while(*s) x11_ibmchar((unsigned char)*s++, attr);
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}
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int main(void)
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{
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int r, c;
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mark[0] = 0x524E4452UL; /* RNDR */
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if(vt_x11_init() != 0) return 1;
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mark[1] = (vt_u32)vt_dpy;
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mark[2] = vt_win;
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mark[3] = vt_gc;
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mark[5] = (vt_u32)VT_XPENDING(vt_dpy);
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x11_clearscr();
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for(c = 0; c < 80; c++) {
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x11_setcursor(0, c); x11_ibmchar('#', 0x70);
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x11_setcursor(23, c); x11_ibmchar('#', 0x70);
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}
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for(r = 0; r < 24; r++) {
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x11_setcursor(r, 0); x11_ibmchar('#', 0x70);
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x11_setcursor(r, 79); x11_ibmchar('#', 0x70);
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}
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for(r = 2; r < 20; r++) {
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for(c = 4; c <= 13; c++) {
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int edge = (r == 2 || r == 19 || c == 4 || c == 13);
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x11_setcursor(r, c);
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x11_ibmchar(edge ? '#' : '.', edge ? 0x70 : 0x07);
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}
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}
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put(1, 20, word, 0x70);
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put(21, 20, "0123456789", 0x70);
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put(22, 20, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 0x70);
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vt_x11_drain_events = 1;
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vt_x11_flush();
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mark[4] = 0x464C5553UL; /* FLUS */
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for(;;) {
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VT_SLEEP(100);
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}
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return 0;
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}
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@@ -0,0 +1,347 @@
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-- loader.lua -- debugger-assisted COFF loader acceptance harness.
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--
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-- Boots the firmware with VT1200_SKIP_LEVEL1=1 (the documented divergence) to
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-- the OS, then at frame LOADER_AT pokes:
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-- * the loader payload at bit 0x01880000 (raw dwt/loader/build/loader.bin)
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-- * a GSPLNK COFF image at LOADER_BUF (default bit 0x01900000)
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-- * the loader descriptor at 0x01882C00
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-- and sets PC = 0x01880000. It does not use the network, the rdebug service
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-- or any firmware transport: this is the debugger-assisted milestone.
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--
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-- The loader itself copies the COFF sections to their linked bit addresses and
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-- calls create_process(entry, "LOADER", 0x6000, 1, 0). This script only pokes
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-- the input and reads the result; it never writes the app's code or markers.
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--
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-- Env:
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-- LOADER_BIN loader payload (default dwt/loader/build/loader.bin)
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-- LOADER_COFF app COFF (default dwt/loader/build/marker.coff)
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-- LOADER_BUF COFF buffer bit address (default 0x01900000)
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-- LOADER_AT injection frame (default 2500)
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-- LOADER_END inspection/exit frame (default 2700)
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-- LOADER_OUT evidence directory (default dwt/loader/evidence)
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-- LOADER_SNAP 1 = write a PNG at LOADER_END (default 0)
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-- LOADER_VERBOSE 1 = print the result block every 25 frames
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local function hex(v, w) return string.format("%0" .. (w or 8) .. "X", v) end
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||||
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local machine = manager.machine
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local RENDER_MARK = tonumber(os.getenv("RENDER_MARK") or "0x01A08000")
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local X11P = tonumber(os.getenv("X11_PROGRESS") or "0")
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local cpu = machine.devices[':maincpu']
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local dbg = machine.debugger
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local prog = cpu.spaces['program']
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||||
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if not dbg then
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print("LOADER: debugger not enabled; pass -debug")
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||||
machine:exit()
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||||
return
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||||
end
|
||||
|
||||
local AT = tonumber(os.getenv("LOADER_AT") or "2500")
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||||
local ENDF = tonumber(os.getenv("LOADER_END") or "2700")
|
||||
local BIN = os.getenv("LOADER_BIN") or "dwt/loader/build/loader.bin"
|
||||
local COFF = os.getenv("LOADER_COFF") or "dwt/loader/build/marker.coff"
|
||||
local BUF = tonumber(os.getenv("LOADER_BUF") or "0x01900000")
|
||||
local OUT = os.getenv("LOADER_OUT") or "dwt/loader/evidence"
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||||
local SNAP = os.getenv("LOADER_SNAP") == "1"
|
||||
local MODE = tonumber(os.getenv("LOADER_MODE") or "0")
|
||||
local A8DESC = os.getenv("LOADER_A8_DESC") == "1"
|
||||
local VERBOSE = os.getenv("LOADER_VERBOSE") == "1"
|
||||
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||||
local LOADER_BASE = 0x01880000
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||||
local DESC = 0x01882C00
|
||||
local RESULT = 0x01882D00
|
||||
local RETURN_STUB = 0x01883100
|
||||
local RETURN_SP = 0x01883110
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||||
|
||||
local function rd(p) return io.open(p, "rb") end
|
||||
local function slurp(p)
|
||||
local f, err = rd(p)
|
||||
if not f then error("cannot open " .. p .. ": " .. tostring(err)) end
|
||||
local s = f:read("*a")
|
||||
f:close()
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||||
return s
|
||||
end
|
||||
|
||||
local function u16(s, o)
|
||||
return s:byte(o + 1) + s:byte(o + 2) * 256
|
||||
end
|
||||
|
||||
local function u32(s, o)
|
||||
return s:byte(o + 1) + s:byte(o + 2) * 256
|
||||
+ s:byte(o + 3) * 65536 + s:byte(o + 4) * 16777216
|
||||
end
|
||||
|
||||
local function parse_coff(d)
|
||||
local c = { data = d }
|
||||
c.magic = u16(d, 0)
|
||||
c.nscns = u16(d, 2)
|
||||
c.opthdr = u16(d, 16)
|
||||
c.sections = {}
|
||||
if c.opthdr > 0 then
|
||||
c.optmagic = u16(d, 20)
|
||||
c.entry = u32(d, 20 + 16)
|
||||
c.textstart = u32(d, 20 + 20)
|
||||
c.datastart = u32(d, 20 + 24)
|
||||
end
|
||||
local base = 20 + c.opthdr
|
||||
for i = 0, c.nscns - 1 do
|
||||
local o = base + i * 40
|
||||
local name = d:sub(o + 1, o + 8):gsub("%z", "")
|
||||
c.sections[#c.sections + 1] = {
|
||||
name = name,
|
||||
paddr = u32(d, o + 8),
|
||||
size = u32(d, o + 16), -- bits
|
||||
scnptr = u32(d, o + 20),
|
||||
flags = u32(d, o + 36),
|
||||
}
|
||||
end
|
||||
return c
|
||||
end
|
||||
|
||||
local function poke_bytes(bitaddr, data)
|
||||
local n = math.floor((#data + 1) / 2)
|
||||
for i = 0, n - 1 do
|
||||
local lo = data:byte(i * 2 + 1) or 0
|
||||
local hi = data:byte(i * 2 + 2) or 0
|
||||
prog:write_u16(bitaddr + i * 16, lo + hi * 256)
|
||||
end
|
||||
return n
|
||||
end
|
||||
|
||||
local function verify_bytes(bitaddr, data)
|
||||
local n = math.floor((#data + 1) / 2)
|
||||
local bad = 0
|
||||
for i = 0, n - 1 do
|
||||
local lo = data:byte(i * 2 + 1) or 0
|
||||
local hi = data:byte(i * 2 + 2) or 0
|
||||
if prog:read_u16(bitaddr + i * 16) ~= lo + hi * 256 then
|
||||
bad = bad + 1
|
||||
end
|
||||
end
|
||||
return n, bad
|
||||
end
|
||||
|
||||
local function w32(a, v) prog:write_u32(a, v) end
|
||||
local function r32(a)
|
||||
local ok, v = pcall(function() return prog:read_u32(a) end)
|
||||
if ok then return v end
|
||||
return 0xDEADBEEF
|
||||
end
|
||||
|
||||
local loader = slurp(BIN)
|
||||
local coff = slurp(COFF)
|
||||
local app = parse_coff(coff)
|
||||
|
||||
print(string.format("LOADER: payload %s (%d B) -> bit %s", BIN, #loader, hex(LOADER_BASE)))
|
||||
print(string.format("LOADER: COFF %s (%d B) -> bit %s", COFF, #coff, hex(BUF)))
|
||||
print(string.format("LOADER: file magic=%04X nscns=%d opthdr=%d optmagic=%s entry=%s textstart=%s",
|
||||
app.magic, app.nscns, app.opthdr,
|
||||
app.optmagic and string.format("%04X", app.optmagic) or "none",
|
||||
hex(app.entry or 0), hex(app.textstart or 0)))
|
||||
for _, s in ipairs(app.sections) do
|
||||
print(string.format("LOADER: sec %-8s paddr=%s size=%d bits (%d B) scnptr=%#x flags=%#x",
|
||||
s.name, hex(s.paddr), s.size, math.floor(s.size / 8), s.scnptr, s.flags))
|
||||
end
|
||||
|
||||
local TRACE = os.getenv("LOADER_TRACE") == "1"
|
||||
|
||||
local frames = 0
|
||||
local injected = false
|
||||
local done = false
|
||||
local last_count = -1
|
||||
|
||||
local function status_name(v)
|
||||
local t = {
|
||||
[0] = "OK",
|
||||
[1] = "bad descriptor",
|
||||
[2] = "truncated COFF / section headers",
|
||||
[3] = "bad COFF magic",
|
||||
[4] = "section size not whole words",
|
||||
[5] = "target outside RAM",
|
||||
[6] = "target overlaps loader page or COFF buffer",
|
||||
[7] = "relocation records present (unsupported)",
|
||||
[8] = "target not in a free-list block",
|
||||
[9] = "no entry point",
|
||||
}
|
||||
return t[v] or ("error " .. tostring(v))
|
||||
end
|
||||
|
||||
local function result_dump()
|
||||
local st = r32(RESULT + 0x000)
|
||||
print(string.format(
|
||||
"LOADER: result status=%d (%s) entry=%s text=%s/%d bits data=%s/%d bits bss=%s/%d bits relocs=%d pcb=%s nscns=%d len=%d",
|
||||
st, status_name(st), hex(r32(RESULT + 0x020)),
|
||||
hex(r32(RESULT + 0x040)), r32(RESULT + 0x060),
|
||||
hex(r32(RESULT + 0x080)), r32(RESULT + 0x0A0),
|
||||
hex(r32(RESULT + 0x0C0)), r32(RESULT + 0x0E0),
|
||||
r32(RESULT + 0x100), hex(r32(RESULT + 0x120)),
|
||||
r32(RESULT + 0x140), r32(RESULT + 0x160)))
|
||||
end
|
||||
|
||||
local function inject()
|
||||
-- 1. loader itself
|
||||
local n, bad = 0, 0
|
||||
poke_bytes(LOADER_BASE, loader)
|
||||
n, bad = verify_bytes(LOADER_BASE, loader)
|
||||
print(string.format("LOADER: loader poked %d words, readback %d bad at %s",
|
||||
n, bad, hex(LOADER_BASE)))
|
||||
|
||||
-- 2. COFF image
|
||||
poke_bytes(BUF, coff)
|
||||
n, bad = verify_bytes(BUF, coff)
|
||||
print(string.format("LOADER: COFF poked %d words, readback %d bad at %s",
|
||||
n, bad, hex(BUF)))
|
||||
|
||||
-- 3. pre-fill every .bss section with A5A5, so a loaded zero is meaningful
|
||||
for _, s in ipairs(app.sections) do
|
||||
if s.flags & 0x80 ~= 0 then
|
||||
for i = 0, math.floor(s.size / 16) - 1 do
|
||||
prog:write_u16(s.paddr + i * 16, 0xA5A5)
|
||||
end
|
||||
print(string.format("LOADER: pre-filled .bss %s..%s with A5A5",
|
||||
hex(s.paddr), hex(s.paddr + s.size)))
|
||||
end
|
||||
end
|
||||
|
||||
-- 4. descriptor: magic "LD" "R1", buf, len, mode=0 (spin)
|
||||
w32(DESC + 0x00, 0)
|
||||
prog:write_u16(DESC + 0x00, 0x4C44)
|
||||
prog:write_u16(DESC + 0x10, 0x5231)
|
||||
w32(DESC + 0x20, BUF)
|
||||
w32(DESC + 0x40, #coff)
|
||||
w32(DESC + 0x60, MODE)
|
||||
print(string.format("LOADER: descriptor @%s magic=%04X/%04X buf=%s len=%d mode=%d",
|
||||
hex(DESC), prog:read_u16(DESC + 0x00), prog:read_u16(DESC + 0x10),
|
||||
hex(r32(DESC + 0x20)), r32(DESC + 0x40), r32(DESC + 0x60)))
|
||||
|
||||
-- 5. return stub. mode 0 ignores it (the loader jumps to ORIG_PC
|
||||
-- itself); mode 1 returns here, and the stub resumes the interrupted
|
||||
-- PC so the caller yields and the scheduler can run the child.
|
||||
local orig_pc = cpu.state['PC'].value
|
||||
if MODE == 1 then
|
||||
prog:write_u16(RETURN_STUB, 0xC080) -- jauc <orig_pc>
|
||||
prog:write_u16(RETURN_STUB + 0x10, orig_pc & 0xFFFF)
|
||||
prog:write_u16(RETURN_STUB + 0x20, math.floor(orig_pc / 0x10000) & 0xFFFF)
|
||||
else
|
||||
prog:write_u16(RETURN_STUB, 0xC0FF) -- jruc self
|
||||
end
|
||||
|
||||
-- 6. enter the loader. A8=0 selects the fixed descriptor; SP points at
|
||||
-- the return slot so mode=1 would return to the spin stub.
|
||||
-- Leave SP alone for mode 0: the loader pushes onto the current
|
||||
-- process stack, then restores it and resumes at ORIG_PC. (mode 1
|
||||
-- would use the return stub.)
|
||||
w32(0x01882A20, orig_pc) -- LD_ORIG_PC
|
||||
print(string.format("LOADER: will resume at %s after create_process", hex(orig_pc)))
|
||||
cpu.state['A8'].value = A8DESC and DESC or 0
|
||||
if MODE == 1 then
|
||||
-- Simulate a CALLA from the current process: push the return
|
||||
-- address on the *firmware* stack (a real transport would do this).
|
||||
local sp = cpu.state['SP'].value - 0x20
|
||||
w32(sp, RETURN_STUB)
|
||||
cpu.state['SP'].value = sp
|
||||
end
|
||||
cpu.state['PC'].value = LOADER_BASE
|
||||
injected = true
|
||||
print(string.format("LOADER: frame %d: entered loader at %s (caller SP=%s)",
|
||||
frames, hex(LOADER_BASE), hex(cpu.state['SP'].value)))
|
||||
end
|
||||
|
||||
local function inspect()
|
||||
result_dump()
|
||||
|
||||
-- Verify the placement from RAM: .text/.data must equal the file bytes.
|
||||
for _, s in ipairs(app.sections) do
|
||||
if s.scnptr ~= 0 and s.size > 0 then
|
||||
local nb = math.floor(s.size / 8)
|
||||
local bytes = coff:sub(s.scnptr + 1, s.scnptr + nb)
|
||||
local _, bad = verify_bytes(s.paddr, bytes)
|
||||
print(string.format("LOADER: placed %s at %s: %d bytes, %d differing",
|
||||
s.name, hex(s.paddr), nb, bad))
|
||||
end
|
||||
end
|
||||
|
||||
local base = COFF:match("([^/]+)$") or COFF
|
||||
if base:find("marker") then
|
||||
print(string.format("LOADER: marker app: start=%s data=%s data2=%s bss=%s count=%d",
|
||||
hex(r32(0x018E0000)), hex(r32(0x018E0020)), hex(r32(0x018E0040)),
|
||||
hex(r32(0x018E0060)), r32(0x018E0080)))
|
||||
elseif base:find("xhello") then
|
||||
print(string.format("LOADER: xhello: stage=%d strlen=%d display=%s root=%s window=%s sync=%s",
|
||||
r32(0x01890140), r32(0x01890160), hex(r32(0x01890100)),
|
||||
hex(r32(0x01890110)), hex(r32(0x01890120)), hex(r32(0x01890130))))
|
||||
end
|
||||
if base:find("render") then
|
||||
print(string.format("RENDER: magic=%08X dpy=%08X win=%08X gc=%08X flus=%08X progress=%08X",
|
||||
r32(RENDER_MARK), r32(RENDER_MARK + 0x20), r32(RENDER_MARK + 0x40),
|
||||
r32(RENDER_MARK + 0x60), r32(RENDER_MARK + 0x80),
|
||||
X11P ~= 0 and r32(X11P) or 0))
|
||||
print(string.format("RENDER: pending=%d", r32(RENDER_MARK + 0xA0)))
|
||||
end
|
||||
print(string.format("LOADER: PC at inspection = %s", hex(cpu.state['PC'].value)))
|
||||
end
|
||||
|
||||
emu.register_frame_done(function()
|
||||
frames = frames + 1
|
||||
if frames == AT and not injected then
|
||||
inject()
|
||||
if TRACE then dbg:command("trace /tmp/opencode/ld1.tr") end
|
||||
end
|
||||
if injected and TRACE and frames == AT + 1 then
|
||||
dbg:command("trace off")
|
||||
print("LOADER: trace written to /tmp/opencode/ld.tr")
|
||||
end
|
||||
if injected and not done then
|
||||
if TRACE and frames <= AT + 40 then
|
||||
print(string.format("LOADER: trace f=%d PC=%s SP=%s A14=%s status=%s entry=%s",
|
||||
frames, hex(cpu.state['PC'].value), hex(cpu.state['SP'].value),
|
||||
hex(cpu.state['A14'].value), hex(r32(RESULT + 0x000)),
|
||||
hex(r32(RESULT + 0x020))))
|
||||
end
|
||||
local st = r32(RESULT + 0x000)
|
||||
-- status 0 means OK; nonzero is final too once parsing has begun
|
||||
if st ~= 0xFFFFFFFF and not done then
|
||||
-- The loader writes 0 on success. A nonzero status is final
|
||||
-- only after it has been written once (it is 0 from power-on,
|
||||
-- so require the loader to have run: PC no longer at entry or
|
||||
-- the app counter moved).
|
||||
end
|
||||
if VERBOSE and frames % 25 == 0 then
|
||||
result_dump()
|
||||
end
|
||||
if base_contains_marker then
|
||||
local c = r32(0x018E0080)
|
||||
if c ~= last_count then
|
||||
if last_count ~= -1 then
|
||||
print(string.format("LOADER: marker counter %d -> %d (child running)",
|
||||
last_count, c))
|
||||
end
|
||||
last_count = c
|
||||
end
|
||||
end
|
||||
end
|
||||
if frames >= ENDF then
|
||||
if injected then
|
||||
done = true
|
||||
inspect()
|
||||
if SNAP then
|
||||
local screen = nil
|
||||
for _, s in pairs(machine.screens) do screen = s break end
|
||||
if screen then
|
||||
local out = OUT .. "/loader_frame" .. frames .. ".png"
|
||||
local ok, err = pcall(function() return screen:snapshot(out) end)
|
||||
print(string.format("LOADER: snapshot %s ok=%s %s",
|
||||
out, tostring(ok), tostring(err or "")))
|
||||
end
|
||||
end
|
||||
end
|
||||
machine:exit()
|
||||
end
|
||||
end, "vt1200-loader")
|
||||
|
||||
-- (Lua has no forward use of a name defined later; set a small flag here.)
|
||||
base_contains_marker = (COFF:match("([^/]+)$") or ""):find("marker") ~= nil
|
||||
|
||||
dbg.visible_cpu = cpu
|
||||
dbg.execution_state = 'run'
|
||||
Executable
+29
@@ -0,0 +1,29 @@
|
||||
#!/bin/sh
|
||||
# render.sh -- Task 3 acceptance: paint the cell-grid test pattern, then
|
||||
# snapshot the window. The PNG is the evidence.
|
||||
set -eu
|
||||
DIR=$(cd "$(dirname "$0")" && pwd)
|
||||
APP=$(cd "$DIR/.." && pwd)
|
||||
ROOT=$(cd "$APP/../.." && pwd)
|
||||
M=${MAME:-/home/arti/code/k-space/mame0289/vt1200}
|
||||
EV="$APP/evidence"
|
||||
LOG="$APP/build/render.log"
|
||||
mkdir -p "$EV" "$APP/build"
|
||||
"$APP/build.sh" "$DIR/render.c" "$APP/src/vt1200/x11.c" "$APP/src/vt1200/xgfix.c" >"$APP/build/render-build.log" 2>&1
|
||||
rm -f "$EV/loader_frame3400.png"
|
||||
MARK=$(awk '/_mark/ {print $1; exit}' "$APP/build/render.map")
|
||||
PROG=$(awk '/_vt_x11_progress/ {print $1; exit}' "$APP/build/render.map")
|
||||
VT1200_SKIP_LEVEL1=1 LOADER_SNAP=1 RENDER_MARK="0x$MARK" X11_PROGRESS="0x$PROG" \
|
||||
LOADER_AT=2500 LOADER_END=3400 \
|
||||
LOADER_BIN="$ROOT/dwt/loader/build/loader.bin" \
|
||||
LOADER_COFF="$APP/build/render.coff" \
|
||||
LOADER_OUT="$EV" \
|
||||
"$M" vt1200 -rompath "$ROOT/harness/mame/roms" \
|
||||
-video none -sound none -nothrottle -skip_gameinfo \
|
||||
-debug -debugger none \
|
||||
-autoboot_script "$DIR/render.lua" -autoboot_delay 0 \
|
||||
>"$LOG" 2>&1 || true
|
||||
grep -E 'LOADER: snapshot|LOADER: result' "$LOG" | tail -4
|
||||
[ -s "$EV/loader_frame3400.png" ] || { echo "render.sh: no snapshot (see $LOG)" >&2; exit 1; }
|
||||
cp "$EV/loader_frame3400.png" "$EV/render_frame3400.png"
|
||||
echo "render: $EV/render_frame3400.png"
|
||||
Reference in new issue
Block a user