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Successful test of poking into RAM with hex editor in text view.

This commit is contained in:
Matthew Budd 2020-05-19 00:30:24 -04:00
parent 41cfd69fe2
commit fe4d1f85af
1 changed files with 76 additions and 5 deletions
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81
src/drivers/sdl/memview.cpp
View File

@ -79,6 +79,7 @@ static int getROM( unsigned int offset)
}
return -1;
}
//
struct memViewWin_t
{
@ -110,6 +111,7 @@ struct memViewWin_t
int mbuf_size;
GtkCellRenderer *hexByte_renderer[16];
bool redraw;
int (*memAccessFunc)( unsigned int offset);
enum {
MODE_NES_RAM = 0,
@ -144,6 +146,7 @@ struct memViewWin_t
treeViewLines = 64;
numCharsPerLine = 90;
redraw = 1;
memAccessFunc = getRAM;
for (int i=0; i<16; i++)
{
@ -211,6 +214,33 @@ struct memViewWin_t
redraw = 1;
}
int writeMem( unsigned int addr, int value )
{
switch ( mode )
{
default:
case MODE_NES_RAM:
{
writefunc wfunc;
wfunc = GetWriteHandler (addr);
if (wfunc)
{
wfunc ((uint32) addr,
(uint8) (value & 0x000000ff));
}
}
break;
case MODE_NES_PPU:
break;
case MODE_NES_OAM:
break;
case MODE_NES_ROM:
break;
}
}
//int set_inner_slider( double value )
//{
// GtkAdjustment *ivadj;
@ -268,7 +298,6 @@ void memViewWin_t::showMemViewResults (int reset)
char row_changed;
std::string line;
GtkTextIter iter, start_iter, end_iter;
int (*memAccessFunc)( unsigned int offset) = NULL;
switch ( mode )
{
@ -818,11 +847,53 @@ textbuffer_string_insert (GtkTextBuffer *textbuffer,
{
if ( len == 1 )
{
printf("Line: %i Offset: %i \n",
gtk_text_iter_get_line( location ),
gtk_text_iter_get_line_offset( location ) );
int addr, line, offs, byte0, byte, bcol, c, d;
printf("Text: '%s' \n", text );
line = gtk_text_iter_get_line( location ),
offs = gtk_text_iter_get_line_offset( location );
byte0 = (offs - 10);
byte = byte0 / 4;
bcol = byte0 % 4;
addr = (line*16) + byte;
//printf("Line: %i Offset: %i Byte:%i Bcol:%i\n", line, offs, byte, bcol );
//printf("Text: '%s' \n", text );
if ( !isxdigit( text[0] ) )
{
return;
}
d = toupper( text[0] );
if ( isdigit(d) )
{
d = d - '0';
}
else
{
d = d - 'A';
}
c = mv->memAccessFunc( addr );
//printf("Changing Addr:0x%08x from:0x%02x ", addr, c );
if ( bcol == 0 )
{
c = c & 0x0f;
c = c | (d << 4);
}
else if ( bcol == 1 )
{
c = c & 0xf0;
c = c | d;
}
//printf(" to:0x%02x \n", c );
mv->writeMem( addr, c );
}
}