From d94d595fd7c7817dae2887285a3c3d47fba6a765 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Wed, 9 May 2012 00:04:17 +0000 Subject: devices stub --- dcpu16.h | 3 +++ emu.c | 20 ++++++++++++++++++-- keyboard.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ lem1802.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ main.c | 3 +++ 5 files changed, 136 insertions(+), 2 deletions(-) create mode 100644 keyboard.c create mode 100644 lem1802.c diff --git a/dcpu16.h b/dcpu16.h index 9a47624..0194f46 100644 --- a/dcpu16.h +++ b/dcpu16.h @@ -63,5 +63,8 @@ int step(struct context *); void tuiemu(struct context *); void guiemu(struct context *); void dumpcode(struct context *); +void register_lem(struct context *); +void register_keyb(struct context *); +void register_clk(struct context *); #endif diff --git a/emu.c b/emu.c index 1f1df17..c1e29e1 100644 --- a/emu.c +++ b/emu.c @@ -94,20 +94,36 @@ void hwn(struct context *c, unsigned short *a) { /* TODO */ + *a = c->ndev; cycle += 2; } void hwq(struct context *c, unsigned short *a) { - /* TODO */ + struct device *d = &c->dev[*a]; + + c->reg[A] = d->id; + c->reg[B] = d->id >> 16; + c->reg[C] = d->version; + c->reg[X] = d->manu; + c->reg[Y] = d->manu >> 16; + cycle += 4; } void hwi(struct context *c, unsigned short *a) { - /* TODO */ + struct device *d = &c->dev[*a]; + + if (d->cb) { + d->cb(c); + } else { + warnx("invalid device %d", *a); + errors++; + } + cycle += 4; } diff --git a/keyboard.c b/keyboard.c new file mode 100644 index 0000000..cd8dde5 --- /dev/null +++ b/keyboard.c @@ -0,0 +1,53 @@ +/* $Id$ */ +/* + * Copyright (c) 2012 Dimitri Sokolyuk + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, dATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include "dcpu16.h" + +enum { KEYB_CLEAR, + KEYB_STORE, + KEYB_PRESSED, + KEYB_INTR, +}; + +void +keyb(struct context *c) +{ + switch (c->reg[A]) { + case KEYB_CLEAR: + break; + case KEYB_STORE: + break; + case KEYB_PRESSED: + break; + case KEYB_INTR: + break; + default: + break; + } +} + +void +register_keyb(struct context *c) +{ + struct device *d = &c->dev[++c->ndev]; + + d->id = 0x30cf7406; + d->version = 0x1; + d->manu = 0; + d->cb = keyb; +} diff --git a/lem1802.c b/lem1802.c new file mode 100644 index 0000000..55dd492 --- /dev/null +++ b/lem1802.c @@ -0,0 +1,59 @@ +/* $Id$ */ +/* + * Copyright (c) 2012 Dimitri Sokolyuk + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, dATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include "dcpu16.h" + +enum { MEM_MAP_SCREEN, + MEM_MAP_FONT, + MEM_MAP_PALETTE, + SET_BORDER_COLOR, + MEM_DUMP_FONT, + MEM_DUMP_PALETTE, +}; + +void +lem(struct context *c) +{ + switch (c->reg[A]) { + case MEM_MAP_SCREEN: + break; + case MEM_MAP_FONT: + break; + case MEM_MAP_PALETTE: + break; + case SET_BORDER_COLOR: + break; + case MEM_DUMP_FONT: + break; + case MEM_DUMP_PALETTE: + break; + default: + break; + } +} + +void +register_lem(struct context *c) +{ + struct device *d = &c->dev[++c->ndev]; + + d->id = 0x7349f615; + d->version = 0x1802; + d->manu = 0x1c6c8b36; + d->cb = lem; +} diff --git a/main.c b/main.c index af1538b..f54bf45 100644 --- a/main.c +++ b/main.c @@ -89,6 +89,9 @@ main(int argc, char **argv) fclose(fd); + register_lem(&c); + register_keyb(&c); + register_clk(&c); emu(&c); return 0; -- cgit v1.2.3