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/*
* Tester for Hatari's implementation of Atari debugger
* XBIOS Dbmsg() API
*
* Test:
* hatari --bios-intercept --trace xbios dbmsg.tos
*
* See:
* - http://dev-docs.atariforge.org/files/Atari_Debugger_1-24-1990.pdf
* - http://toshyp.atari.org/en/004012.html#Dbmsg
*/
#include "stdint.h"
#include "assert.h"
#include "tos.h"
#define DB_APP_CMD 0x0000
#define DB_COMMAND 0xF100
#define DB_NULLSTRING 0xF000
/* len should be: 1-255 */
#define DB_STRING(len) (DB_NULLSTRING + ((len) & 0xFF))
static void Dbmsg(int16_t reserved, uint16_t msg_num, uint32_t msg_arg)
{
/* other 'reserved' values than 5 are undefined */
xbios(11, reserved, msg_num, msg_arg);
}
int main()
{
const char str[] = "Halting STRING";
/* Print NULL-terminated string */
Dbmsg(5, DB_NULLSTRING, (uint32_t)"Please print NULLSTRING");
/* Print give string (which lenght is encoded to msg_num),
* and invoking debugger / halt
*/
Dbmsg(5, DB_STRING(sizeof(str)-1), (uint32_t)str);
/* Print given value and invoke debugger */
Dbmsg(5, DB_APP_CMD, (uint32_t)0xDEADBEEF);
/* Give command for debugger to execute.
* In Hatari case this is currently same as DB_NULLSTRING.
*/
Dbmsg(5, DB_COMMAND, (uint32_t)"echo 'Debugging message';");
return 0;
}
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