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debugsub.c
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debugsub.c
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#include <compiler.h>
#include <common/strres.h>
#include <common/textfile.h>
#include <dosio.h>
#include <cpucore.h>
#include <pccore.h>
#include <io/iocore.h>
#include <debugsub.h>
#if defined(MACOS)
#define CRLITERAL "\r"
#define CRCONST str_cr
#elif defined(X11)
#define CRLITERAL "\n"
#define CRCONST str_lf
#else
#define CRLITERAL "\r\n"
#define CRCONST str_crlf
#endif
static const OEMCHAR s_nv[] = OEMTEXT("NV");
static const OEMCHAR s_ov[] = OEMTEXT("OV");
static const OEMCHAR s_dn[] = OEMTEXT("DN");
static const OEMCHAR s_up[] = OEMTEXT("UP");
static const OEMCHAR s_di[] = OEMTEXT("DI");
static const OEMCHAR s_ei[] = OEMTEXT("EI");
static const OEMCHAR s_pl[] = OEMTEXT("PL");
static const OEMCHAR s_ng[] = OEMTEXT("NG");
static const OEMCHAR s_nz[] = OEMTEXT("NZ");
static const OEMCHAR s_zr[] = OEMTEXT("ZR");
static const OEMCHAR s_na[] = OEMTEXT("NA");
static const OEMCHAR s_ac[] = OEMTEXT("AC");
static const OEMCHAR s_po[] = OEMTEXT("PO");
static const OEMCHAR s_pe[] = OEMTEXT("PE");
static const OEMCHAR s_nc[] = OEMTEXT("NC");
static const OEMCHAR s_cy[] = OEMTEXT("CY");
static const OEMCHAR *flagstr[16][2] = {
{NULL, NULL}, // 0x8000
{NULL, NULL}, // 0x4000
{NULL, NULL}, // 0x2000
{NULL, NULL}, // 0x1000
{s_nv, s_ov}, // 0x0800
{s_dn, s_up}, // 0x0400
{s_di, s_ei}, // 0x0200
{NULL, NULL}, // 0x0100
{s_pl, s_ng}, // 0x0080
{s_nz, s_zr}, // 0x0040
{NULL, NULL}, // 0x0020
{s_na, s_ac}, // 0x0010
{NULL, NULL}, // 0x0008
{s_po, s_pe}, // 0x0004
{NULL, NULL}, // 0x0002
{s_nc, s_cy}}; // 0x0001
static const OEMCHAR file_i286reg[] = OEMTEXT("i286reg.%.3u");
static const OEMCHAR file_i286cs[] = OEMTEXT("i286_cs.%.3u");
static const OEMCHAR file_i286ds[] = OEMTEXT("i286_ds.%.3u");
static const OEMCHAR file_i286es[] = OEMTEXT("i286_es.%.3u");
static const OEMCHAR file_i286ss[] = OEMTEXT("i286_ss.%.3u");
static const OEMCHAR file_memorybin[] = OEMTEXT("memory.bin");
static const OEMCHAR str_register[] = \
OEMTEXT("AX=%.4x BX=%.4x CX=%.4x DX=%.4x ") \
OEMTEXT("SP=%.4x BP=%.4x SI=%.4x DI=%.4x") \
OEMTEXT(CRLITERAL) \
OEMTEXT("DS=%.4x ES=%.4x SS=%.4x CS=%.4x ") \
OEMTEXT("IP=%.4x ");
static const OEMCHAR str_picstat[] = \
OEMTEXT(CRLITERAL) \
OEMTEXT("PIC0=%.2x:%.2x:%.2x") \
OEMTEXT(CRLITERAL) \
OEMTEXT("PIC1=%.2x:%.2x:%.2x") \
OEMTEXT(CRLITERAL) \
OEMTEXT("8255PORTC = %.2x / system-port = %.2x");
const OEMCHAR *debugsub_flags(UINT16 flag) {
static OEMCHAR work[128];
int i;
UINT16 bit;
work[0] = 0;
for (i=0, bit=0x8000; bit; i++, bit>>=1) {
if (flagstr[i][0]) {
if (flag & bit) {
milstr_ncat(work, flagstr[i][1], NELEMENTS(work));
}
else {
milstr_ncat(work, flagstr[i][0], NELEMENTS(work));
}
if (bit != 1) {
milstr_ncat(work, str_space, NELEMENTS(work));
}
}
}
return(work);
}
const OEMCHAR *debugsub_regs(void) {
static OEMCHAR work[512];
OEMSNPRINTF(work, sizeof(work), str_register, CPU_AX, CPU_BX, CPU_CX, CPU_DX,
CPU_SP, CPU_BP, CPU_SI, CPU_DI,
CPU_DS, CPU_ES, CPU_SS, CPU_CS, CPU_IP);
milstr_ncat(work, debugsub_flags(CPU_FLAG), NELEMENTS(work));
milstr_ncat(work, CRCONST, NELEMENTS(work));
return(work);
}
static void writeseg(const OEMCHAR *fname, UINT32 addr, UINT limit) {
FILEH fh;
UINT size;
UINT8 buf[0x400]; // Stack 0x1000 -> 0x400
fh = file_create_c(fname);
if (fh == FILEH_INVALID) {
return;
}
limit = MIN(limit, 0xffff);
limit++;
while(limit) {
size = MIN(limit, sizeof(buf));
MEML_READS(addr, buf, size);
file_write(fh, buf, size);
addr += size;
limit -= size;
}
file_close(fh);
}
void debugsub_status(void) {
static int filenum = 0;
TEXTFILEH tfh;
OEMCHAR work[512];
const OEMCHAR *p;
OEMSNPRINTF(work, sizeof(work), file_i286reg, filenum);
tfh = textfile_create(file_getcd(work), 0);
if (tfh != NULL) {
p = debugsub_regs();
textfile_write(tfh, p);
OEMSNPRINTF(work, sizeof(work), str_picstat,
pic.pi[0].imr, pic.pi[0].irr, pic.pi[0].isr,
pic.pi[1].imr, pic.pi[1].irr, pic.pi[1].isr,
mouseif.upd8255.portc, sysport.c);
textfile_write(tfh, work);
textfile_close(tfh);
}
OEMSNPRINTF(work, sizeof(work), file_i286cs, filenum);
writeseg(work, CS_BASE, 0xffff);
OEMSNPRINTF(work, sizeof(work), file_i286ds, filenum);
writeseg(work, DS_BASE, 0xffff);
OEMSNPRINTF(work, sizeof(work), file_i286es, filenum);
writeseg(work, ES_BASE, 0xffff);
OEMSNPRINTF(work, sizeof(work), file_i286ss, filenum);
writeseg(work, SS_BASE, 0xffff);
filenum++;
}
void debugsub_memorydump(void) {
FILEH fh;
int i;
fh = file_create_c(file_memorybin);
if (fh != FILEH_INVALID) {
for (i=0; i<34; i++)
// for (i=0; i<64; i++)
{
file_write(fh, mem + i*0x8000, 0x8000);
}
file_close(fh);
}
}