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printf: add print_integer function

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This commit is contained in:
Zack Buhman 2025-06-23 15:38:57 -05:00
parent ef29e0ac25
commit 5c488ab974
4 changed files with 28 additions and 14 deletions
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16
assert.h
View File

@ -1,20 +1,18 @@
#pragma once
#if defined(__dreamcast__)
#include "sh7091/serial.hpp"
#define print__character serial::character
#define print__string serial::string
#define print__integer serial::integer<uint32_t>
#else
#error "unknown platform"
#endif
#include "printf/printf.h"
#define print__character print_char
#define print__string print_cstring
#define print__integer print_integer
#define assert(b) \
do { \
if (!(b)) { \
print__string(__FILE__); \
print__character(':'); \
print__integer(__LINE__, ' '); \
print__integer(__LINE__); \
print__character(' '); \
print__string(__func__); \
print__string(": assertion failed: "); \
print__string(#b); \

17
printf/printf.c
View File

@ -103,6 +103,13 @@ void print_cstring(const char * s)
}
}
void print_integer(const int n)
{
char s[16];
int offset = unparse_base10(s, n, 0, 0);
print_string(s, offset);
}
void _printf(const char * format, ...)
{
va_list args;
@ -121,7 +128,7 @@ void _printf(const char * format, ...)
case FORMAT_BASE10_UNSIGNED:
{
uint32_t num = va_arg(args, uint32_t);
char s[10];
char s[16];
int offset = unparse_base10_unsigned(s, num, ft.pad_length, ft.fill_char);
print_string(s, offset);
}
@ -129,7 +136,7 @@ void _printf(const char * format, ...)
case FORMAT_BASE10:
{
int32_t num = va_arg(args, int32_t);
char s[10];
char s[16];
int offset = unparse_base10(s, num, ft.pad_length, ft.fill_char);
print_string(s, offset);
}
@ -137,7 +144,7 @@ void _printf(const char * format, ...)
case FORMAT_BASE10_64:
{
int64_t num = va_arg(args, int64_t);
char s[20];
char s[16];
int offset = unparse_base10_64(s, num, ft.pad_length, ft.fill_char);
print_string(s, offset);
}
@ -151,7 +158,7 @@ void _printf(const char * format, ...)
case FORMAT_BASE16:
{
uint32_t num = va_arg(args, uint32_t);
char s[8];
char s[16];
int offset = unparse_base16(s, num, ft.pad_length, ft.fill_char);
print_string(s, offset);
}
@ -184,7 +191,7 @@ void _printf(const char * format, ...)
print_string(s, offset);
print_char('.');
int32_t fraction = (int32_t)((num - (float)whole) * 1000.0);
offset = unparse_base10_unsigned(s, fraction, 0, 0);
offset = unparse_base10_unsigned(s, fraction, 3, '0');
print_string(s, offset);
}
break;

1
printf/printf.h
View File

@ -25,6 +25,7 @@ void print_string(const char * s, int length);
void print_bytes(const uint8_t * s, int length);
void print_chars(const uint16_t * s, int length);
void print_cstring(const char * s);
void print_integer(const int n);
void _printf(const char * format, ...);

8
xm/xm.h
View File

@ -4,6 +4,10 @@
#include <assert.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct __attribute__((packed)) xm_header {
int8_t id_text[17];
int8_t module_name[20];
@ -139,3 +143,7 @@ static_assert((offsetof (struct xm_pattern_format, instrument)) == 1);
static_assert((offsetof (struct xm_pattern_format, volume_column_byte)) == 2);
static_assert((offsetof (struct xm_pattern_format, effect_type)) == 3);
static_assert((offsetof (struct xm_pattern_format, effect_parameter)) == 4);
#ifdef __cplusplus
}
#endif