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Add pseudoteletypewriter to emulator

Browse source 
https://justine.storage.googleapis.com/emulator628.mp4
This commit is contained in:
Justine Tunney 2020-08-26 23:08:08 -07:00
parent e86cff8ba0
commit 5aabacb361
94 changed files with 3245 additions and 2179 deletions
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24
tool/build/lib/reset.c
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@ -17,8 +17,10 @@
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/macros.h"
#include "libc/math.h"
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "tool/build/lib/flags.h"
#include "tool/build/lib/machine.h"
@ -61,8 +63,25 @@ static void ResetSse(struct Machine *m) {
memset(m->xmmtype, 0, sizeof(m->xmmtype));
}
static void ResetTlb(struct Machine *m) {
m->tlbindex = 0;
memset(m->tlb, 0, sizeof(m->tlb));
}
static void ResetMem(struct Machine *m) {
FreePml4t(m->cr3, -0x800000000000, 0x800000000000, free, munmap);
}
void ResetCpu(struct Machine *m) {
InitMachine(m);
m->codevirt = 0;
m->codereal = NULL;
m->faultaddr = 0;
m->stashsize = 0;
m->stashaddr = 0;
m->writeaddr = 0;
m->readaddr = 0;
m->writesize = 0;
m->readsize = 0;
m->flags = SetFlag(m->flags, FLAGS_DF, false);
m->flags = SetFlag(m->flags, FLAGS_CF, false);
m->flags = SetFlag(m->flags, FLAGS_ZF, false);
@ -73,6 +92,9 @@ void ResetCpu(struct Machine *m) {
m->flags = SetFlag(m->flags, FLAGS_IOPL, 3);
memset(m->reg, 0, sizeof(m->reg));
memset(m->bofram, 0, sizeof(m->bofram));
memset(&m->freelist, 0, sizeof(m->freelist));
ResetTlb(m);
ResetSse(m);
ResetFpu(m);
ResetMem(m);
}