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authorKarel Kočí <cynerd@email.cz>2017-12-15 22:45:28 +0100
committerKarel Kočí <cynerd@email.cz>2017-12-15 22:45:28 +0100
commite6ca4b4568e311b47239bfe83de15ed9e91c57b9 (patch)
tree3da2f72faf360058bae02c35b0c724233bd64d61 /qtmips_machine/qtmipsmachine.cpp
parentbbea996112eb7ac81ec50d2af08f4bd681d0e50d (diff)
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Implement few initial graphic elements
Diffstat (limited to 'qtmips_machine/qtmipsmachine.cpp')
-rw-r--r--qtmips_machine/qtmipsmachine.cpp17
1 files changed, 16 insertions, 1 deletions
diff --git a/qtmips_machine/qtmipsmachine.cpp b/qtmips_machine/qtmipsmachine.cpp
index 7b44a7b..191a7c7 100644
--- a/qtmips_machine/qtmipsmachine.cpp
+++ b/qtmips_machine/qtmipsmachine.cpp
@@ -9,6 +9,7 @@ QtMipsMachine::QtMipsMachine(const MachineConfig &cc) {
program.to_memory(mem);
program_end = program.end();
+ program_ended = false;
MemoryAccess *coremem;
switch (cc.cache()) {
@@ -35,6 +36,8 @@ QtMipsMachine::QtMipsMachine(const MachineConfig &cc) {
void QtMipsMachine::set_speed(unsigned val) {
run_speed = val;
+ if (run_t->isActive())
+ play();
}
const Registers *QtMipsMachine::registers() {
@@ -54,19 +57,31 @@ const Core *QtMipsMachine::core() {
}
void QtMipsMachine::play() {
+ if (program_ended)
+ return;
run_t->start(run_speed);
}
void QtMipsMachine::pause() {
+ if (program_ended)
+ return;
run_t->stop();
}
void QtMipsMachine::step() {
+ if (program_ended) // Ignore if program ended
+ return;
+ emit tick();
cr->step();
- if (regs->read_pc() >= program_end)
+ if (regs->read_pc() >= program_end) {
+ program_ended = true;
+ run_t->stop();
emit program_exit();
+ }
}
void QtMipsMachine::restart() {
+ if (!program_ended)
+ run_t->stop(); // Stop timer if program is still running
// TODO
}