Apple_II_Keyboard/backlog.h
2019-05-10 15:39:26 +02:00

36 lines
749 B
C++

/*! \file backlog.h
* \brief Provides BASH like command backlog.
*
* With the Arrow Up / Down keys the last commands can be recalled and used.
*/
#pragma once
#define BUFFER_STEPS 40
#define BACKLOG_STEPS 10
#define CHAR_OUT_DELAY 10
class Backlog
{
private:
uint8_t BacklogOutputPointer;
char* StringBacklog[BACKLOG_STEPS];
char* pCurrentInputString;
void IncreaseBuffer(void);
void BacklogCurrString(void);
int (*pputs)(const char *string);
void EraseCurrent(void);
void OutputCurrent(void);
void ChangeToIndex(uint8_t uiNewIndex);
public:
Backlog();
void addchar(char c);
void SetPuts(int (*pputs_funcp)(const char *string));
void OneBack(void);
void OneForeward(void);
};