diff options
| author | Timo Savinen <tjsa@iki.fi> | 2005-10-09 14:36:39 +0000 |
|---|---|---|
| committer | Hadrien Dorio <hadrien.dorio@gmail.com> | 2017-12-16 00:24:05 +0100 |
| commit | b8e1dc4200c8e57024b9a37edc67f9a24c02f0e5 (patch) | |
| tree | 49e33aa104913d84863a2228ca0edaf912345492 /src/execute.c | |
| parent | 11460c1f56ed4939c8f0df0482059f5fecd289fa (diff) | |
| download | binary-block-editor-b8e1dc4200c8e57024b9a37edc67f9a24c02f0e5.tar.gz binary-block-editor-b8e1dc4200c8e57024b9a37edc67f9a24c02f0e5.zip | |
0.1.3
Diffstat (limited to 'src/execute.c')
| -rw-r--r-- | src/execute.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/src/execute.c b/src/execute.c index a69932b..ffadc3c 100644 --- a/src/execute.c +++ b/src/execute.c @@ -20,7 +20,7 @@ * */ -/* $Id: execute.c,v 1.23 2005/09/30 10:58:15 timo Exp $ */ +/* $Id: execute.c,v 1.25 2005/10/05 16:06:11 timo Exp $ */ #include "bbe.h" #include <stdlib.h> @@ -51,6 +51,9 @@ static struct command *current_commands; /* commands to be executed at end of buffer */ #define BLOCK_END_COMMANDS "AJL" +/* most significant bit of byte */ +#define BYTE_MASK (1 << (sizeof(unsigned char) * 8 - 1)) + /* byte_to_string, convert byte value to visible string, either hex (H), decimal (D), octal (O) or ascii (A) @@ -58,7 +61,9 @@ static struct command *current_commands; char * byte_to_string(unsigned char byte,char format) { - static char string[10]; + static char string[128]; + int i; + int j; switch(format) { @@ -74,6 +79,15 @@ byte_to_string(unsigned char byte,char format) case 'A': sprintf(string,"%c",isprint(byte) ? byte : ' '); break; + case 'B': + i = 0; + do + { + string[i] = ((BYTE_MASK >> i) & byte) ? '1' : '0'; + i++; + } while (BYTE_MASK >> i); + string[i] = 0; + break; default: string[0] = 0; break; @@ -233,7 +247,7 @@ execute_commands(struct command *c,char *command_letters) c->rpos = 0; if(last_byte()) // unless last byte of block { - if(*out_buffer.write_pos >= '0' && *out_buffer.write_pos <= '9') + if(*out_buffer.write_pos >= '0' && *out_buffer.write_pos <= '9') { a = *out_buffer.write_pos - '0'; a = (a << 4) & 0xf0; @@ -257,6 +271,7 @@ execute_commands(struct command *c,char *command_letters) } else { b = 0x0f; + if(*out_buffer.write_pos == 'F' || *out_buffer.write_pos == 'f') delete_this_byte=1; } out_buffer.write_pos[-1] = a | b; } @@ -273,10 +288,16 @@ execute_commands(struct command *c,char *command_letters) a = (*out_buffer.write_pos >> 4) & 0x0f; b = *out_buffer.write_pos & 0x0f; *out_buffer.write_pos = '0' + a; - if(!delete_this_byte && b != 0x0f) + if(!delete_this_byte) { write_next_byte(); - *out_buffer.write_pos = '0' + b; + if(b == 0x0f) + { + *out_buffer.write_pos = 'F'; + } else + { + *out_buffer.write_pos = '0' + b; + } } } break; |
