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Added time device and example.

This commit is contained in:
Andrew Alderwick 2021-03-26 21:01:51 +00:00
parent b60fa9d6dd
commit 0442d7e625
2 changed files with 42 additions and 1 deletions
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20
projects/examples/dev.time.usm Normal file
View File

@ -0,0 +1,20 @@
;current { second 1 }
( devices )
|0100 ;Console { pad 8 char 1 byte 1 short 2 }
|0190 ;Time { year 2 month 1 day 1 hour 1 minute 1 second 1 dow 1 doy 2 isdst 1 get 1 }
|01F0 .RESET .FRAME .ERROR ( vectors )
|01F8 [ 13fd 1ef3 1bf2 ] ( palette )
( program )
|0200 @RESET BRK
@FRAME
#00 =Time.get
~Time.second ~current.second NEQ #01 JNZ BRK
~Time.second DUP =current.second =Console.byte
@ERROR BRK

23
src/emulator.c
View File

@ -1,5 +1,6 @@
#include <SDL2/SDL.h>
#include <stdio.h>
#include <time.h>
/*
Copyright (c) 2021 Devine Lu Linvega
@ -417,6 +418,26 @@ midi_poke(Uxn *u, Uint16 ptr, Uint8 b0, Uint8 b1)
return b1;
}
Uint8
time_poke(Uxn *u, Uint16 ptr, Uint8 b0, Uint8 b1)
{
Uint8 *m = u->ram.dat;
time_t seconds = time(NULL);
struct tm *t = localtime(&seconds);
m[ptr + 0] = (t->tm_year & 0xff00) >> 8;
m[ptr + 1] = t->tm_year & 0xff;
m[ptr + 2] = t->tm_mon;
m[ptr + 3] = t->tm_mday;
m[ptr + 4] = t->tm_hour;
m[ptr + 5] = t->tm_min;
m[ptr + 6] = t->tm_sec;
m[ptr + 7] = t->tm_wday;
m[ptr + 8] = (t->tm_yday & 0x100) >> 8;
m[ptr + 9] = t->tm_yday && 0xff;
m[ptr + 10] = t->tm_isdst;
return b1;
}
Uint8
system_poke(Uxn *u, Uint16 ptr, Uint8 b0, Uint8 b1)
{
@ -496,7 +517,7 @@ main(int argc, char **argv)
portuxn(&u, "file", file_poke);
portuxn(&u, "audio", audio_poke);
portuxn(&u, "midi", ppnil);
portuxn(&u, "---", ppnil);
portuxn(&u, "time", time_poke);
portuxn(&u, "---", ppnil);
portuxn(&u, "---", ppnil);
portuxn(&u, "---", ppnil);