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use as a viewer

This commit is contained in:
Nico 2021-11-07 19:54:35 +00:00
parent 2ca7b61c84
commit 4f5319db11
3 changed files with 27 additions and 14 deletions
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2
apps/plugins/CATEGORIES
View File

@ -189,4 +189,4 @@ wormlet,games
xobox,games xobox,games
xworld,games xworld,games
zxbox,viewers zxbox,viewers
varvara,apps varvara,viewers

38
apps/plugins/varvara/varvara.c
View File

@ -10,7 +10,7 @@ copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE. WITH REGARD TO THIS SOFTWARE.
TODO proper support for greyscale displays TODO optimise support for greyscale/1-bit displays
TODO rom loading TODO rom loading
TODO other varvara devices TODO other varvara devices
TODO clean up TODO clean up
@ -544,18 +544,31 @@ static void run() {
enum plugin_status plugin_start(const void* parameter) enum plugin_status plugin_start(const void* parameter)
{ {
if(!parameter) {
(void)parameter; rb->splash(HZ, "Please open a .rom file using this plugin!");
return PLUGIN_ERROR;
DEBUGF("Setting PPU size\n"); }
ppu_init(&ppu, LCD_WIDTH, LCD_HEIGHT, framebuffer);
DEBUGF("UXN init\n"); DEBUGF("zeroing\n");
// Clear RAM and copy rom to VM.
DEBUGF("zeroing\n");
memzero8(&u, sizeof(Uxn)); memzero8(&u, sizeof(Uxn));
DEBUGF("copying ROM\n");
memcpy(u.ram.dat + PAGE_PROGRAM, uxn_rom, sizeof(uxn_rom)); DEBUGF("loading ROM\n");
DEBUGF("registering ports\n"); char* filename = (char*) parameter;
int fd = rb->open(filename, O_RDONLY);
if (fd < 0) {
rb->splash(HZ, "File Error");
return PLUGIN_ERROR;
}
int numread = rb->read(fd, u.ram.dat + PAGE_PROGRAM, 65536-PAGE_PROGRAM);
if (numread==-1) {
rb->splash(HZ, "I/O Error");
return PLUGIN_ERROR;
}
rb->close(fd);
ppu_init(&ppu, LCD_WIDTH, LCD_HEIGHT, framebuffer);
// Register ports // Register ports
/* system */ devsystem = uxn_port(&u, 0x0, system_talk); /* system */ devsystem = uxn_port(&u, 0x0, system_talk);
/* console */ devconsole = uxn_port(&u, 0x1, console_talk); /* console */ devconsole = uxn_port(&u, 0x1, console_talk);
@ -573,7 +586,6 @@ enum plugin_status plugin_start(const void* parameter)
/* empty */ uxn_port(&u, 0xd, nil_talk); /* empty */ uxn_port(&u, 0xd, nil_talk);
/* empty */ uxn_port(&u, 0xe, nil_talk); /* empty */ uxn_port(&u, 0xe, nil_talk);
/* empty */ uxn_port(&u, 0xf, nil_talk); /* empty */ uxn_port(&u, 0xf, nil_talk);
DEBUGF("eval\n");
uxn_eval(&u, 0x0100); uxn_eval(&u, 0x0100);
run(); run();
return PLUGIN_OK; return PLUGIN_OK;

1
apps/plugins/viewers.config
View File

@ -103,3 +103,4 @@ z7,viewers/frotz,-
z8,viewers/frotz,- z8,viewers/frotz,-
shopper,viewers/shopper,1 shopper,viewers/shopper,1
lnk,viewers/windows_lnk,- lnk,viewers/windows_lnk,-
rom,viewers/varvara,-