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dbgreg.cpp
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#include "std.h"
#include "emul.h"
#include "vars.h"
#include "debug.h"
#include "dbgpaint.h"
#include "dbgreg.h"
const TRegLayout regs_layout[] =
{
{ offsetof(TZ80State, a) , 8, 3, 0, 0, 1, 0, 2 }, // 0 a
{ offsetof(TZ80State, f) , 8, 5, 0, 0, 5, 1, 2 }, // 1 f
{ offsetof(TZ80State, bc) , 16, 3, 1, 2, 6, 0, 3 }, // 2 bc
{ offsetof(TZ80State, de) , 16, 3, 2, 3, 7, 2, 4 }, // 3 de
{ offsetof(TZ80State, hl) , 16, 3, 3, 4, 8, 3, 4 }, // 4 hl
{ offsetof(TZ80State, alt.af), 16, 11, 0, 1, 9, 5, 6 }, // 5 af'
{ offsetof(TZ80State, alt.bc), 16, 11, 1, 2,10, 5, 7 }, // 6 bc'
{ offsetof(TZ80State, alt.de), 16, 11, 2, 3,11, 6, 8 }, // 7 de'
{ offsetof(TZ80State, alt.hl), 16, 11, 3, 4,12, 7, 8 }, // 8 hl'
{ offsetof(TZ80State, sp) , 16, 19, 0, 5,13, 9,10 }, // 9 sp
{ offsetof(TZ80State, pc) , 16, 19, 1, 6,10, 9,11 }, // 10 pc
{ offsetof(TZ80State, ix) , 16, 19, 2, 7,15,10,12 }, // 11 ix
{ offsetof(TZ80State, iy) , 16, 19, 3, 8,18,11,12 }, // 12 iy
{ offsetof(TZ80State, i) , 8, 28, 0, 9,14,13,16 }, // 13 i
{ offsetof(TZ80State, r_low) , 8, 30, 0,13,14,14,17 }, // 14 r
{ offsetof(TZ80State, im) , 2, 26, 2,11,16,13,20 }, // 15 im
{ offsetof(TZ80State, iff1) , 1, 30, 2,15,17,13,24 }, // 16 iff1
{ offsetof(TZ80State, iff2) , 1, 31, 2,16,17,14,25 }, // 17 iff2
{ offsetof(TZ80State, f) , 37, 24, 3,12,19,15,18 }, // 18 SF
{ offsetof(TZ80State, f) , 36, 25, 3,18,20,15,19 }, // 19 ZF
{ offsetof(TZ80State, f) , 35, 26, 3,19,21,15,20 }, // 20 F5
{ offsetof(TZ80State, f) , 34, 27, 3,20,22,15,21 }, // 21 HF
{ offsetof(TZ80State, f) , 33, 28, 3,21,23,15,22 }, // 22 F3
{ offsetof(TZ80State, f) , 32, 29, 3,22,24,16,23 }, // 23 PV
{ offsetof(TZ80State, f) , 31, 30, 3,23,25,16,24 }, // 24 NF
{ offsetof(TZ80State, f) , 30, 31, 3,24,25,17,25 }, // 25 CF
};
const size_t regs_layout_count = _countof(regs_layout);
void showregs()
{
Z80 &cpu = CpuMgr.Cpu();
const TZ80State &prevcpu = CpuMgr.PrevCpu();
unsigned char atr = (activedbg == WNDREGS) ? W_SEL : W_NORM;
char line[40];
tprint(regs_x,regs_y+0, "af:**** af'**** sp:**** ir: ****", atr);
tprint(regs_x,regs_y+1, "bc:**** bc'**** pc:**** t:******", atr);
tprint(regs_x,regs_y+2, "de:**** de'**** ix:**** im?,i:**", atr);
tprint(regs_x,regs_y+3, "hl:**** hl'**** iy:**** ########", atr);
if (cpu.halted && !cpu.iff1)
{
tprint(regs_x+26,regs_y+1,"DiHALT", (activedbg == WNDREGS) ? W_DIHALT1 : W_DIHALT2);
}
else
{
sprintf(line, "%6d", cpu.t);
tprint(regs_x+26,regs_y+1,line,atr);
}
cpu.r_low = (cpu.r_low & 0x7F) + cpu.r_hi;
for (unsigned i = 0; i < regs_layout_count; i++)
{
unsigned mask = (1 << regs_layout[i].width) - 1;
unsigned val = mask & *(unsigned*)(PCHAR((TZ80State*)&cpu)+regs_layout[i].offs);
unsigned char atr1 = atr;
if (activedbg == WNDREGS && i == regs_curs)
atr1 = W_CURS;
if (val != (mask & *(unsigned*)(PCHAR(&prevcpu)+regs_layout[i].offs)))
atr1 |= 0x08;
char bf[16];
switch (regs_layout[i].width)
{
case 8: sprintf(bf, "%02X", val); break;
case 16: sprintf(bf, "%04X", val); break;
case 1:
case 2: sprintf(bf, "%X", val); break;
default: *bf = 0;
}
tprint(regs_x + regs_layout[i].x, regs_y + regs_layout[i].y, bf, atr1);
}
static const char flg[] = "SZ5H3PNCsz.h.pnc";
for (unsigned char q = 0; q < 8; q++)
{
unsigned ln; unsigned char atr1 = atr;
if (activedbg == WNDREGS && regs_curs == (unsigned)(q+18)) atr1 = W_CURS;
ln = flg[q+((cpu.af & (0x80>>q)) ? 0 : 8)];
if ((0x80>>q)&(cpu.f^prevcpu.f)) atr1 |= 0x08;
tprint(regs_x+24+q,regs_y+3,(char*)&ln, atr1);
}
tprint(regs_x, regs_y-1, "regs", W_TITLE);
frame(regs_x,regs_y,32,4, FRAME);
}
void rleft() { regs_curs = regs_layout[regs_curs].lf; }
void rright() { regs_curs = regs_layout[regs_curs].rt; }
void rup() { regs_curs = regs_layout[regs_curs].up; }
void rdown() { regs_curs = regs_layout[regs_curs].dn; }
void renter()
{
Z80 &cpu = CpuMgr.Cpu();
debugscr();
debugflip();
unsigned char sz = regs_layout[regs_curs].width;
unsigned val = ((1 << sz) - 1) & *(unsigned*)(PCHAR((TZ80State*)&cpu) + regs_layout[regs_curs].offs);
unsigned char *ptr = PUCHAR((TZ80State*)&cpu) + regs_layout[regs_curs].offs;
if ((sz == 8 || sz == 16) && ((input.lastkey >= '0' && input.lastkey <= '9') || (input.lastkey >= 'A' && input.lastkey <= 'F')))
PostThreadMessage(GetCurrentThreadId(), WM_KEYDOWN, input.lastkey, 1);
switch (sz)
{
case 8:
val = input2(regs_x + regs_layout[regs_curs].x, regs_y + regs_layout[regs_curs].y, val);
if (val != -1)
*ptr = val;
break;
case 16:
val = input4(regs_x + regs_layout[regs_curs].x, regs_y + regs_layout[regs_curs].y, val);
if (val != -1)
*(unsigned short*)ptr = val;
break;
case 1:
*ptr ^= 1; break;
case 2:
*ptr = (*ptr + 1) % 3; break;
default: // flags
*ptr ^= (1 << (sz-30));
}
cpu.r_hi = cpu.r_low & 0x80;
}
void ra() { regs_curs = 0; input.lastkey = 0; renter(); }
void rf() { regs_curs = 1; input.lastkey = 0; renter(); }
void rbc() { regs_curs = 2; input.lastkey = 0; renter(); }
void rde() { regs_curs = 3; input.lastkey = 0; renter(); }
void rhl() { regs_curs = 4; input.lastkey = 0; renter(); }
void rsp() { regs_curs = 9; input.lastkey = 0; renter(); }
void rpc() { regs_curs = 10; input.lastkey = 0; renter(); }
void rix() { regs_curs = 11; input.lastkey = 0; renter(); }
void riy() { regs_curs = 12; input.lastkey = 0; renter(); }
void ri() { regs_curs = 13; input.lastkey = 0; renter(); }
void rr() { regs_curs = 14; input.lastkey = 0; renter(); }
void rm() { regs_curs = 15; renter(); }
void r_1() { regs_curs = 16; renter(); }
void r_2() { regs_curs = 17; renter(); }
void rSF() { regs_curs = 18; renter(); }
void rZF() { regs_curs = 19; renter(); }
void rF5() { regs_curs = 20; renter(); }
void rHF() { regs_curs = 21; renter(); }
void rF3() { regs_curs = 22; renter(); }
void rPF() { regs_curs = 23; renter(); }
void rNF() { regs_curs = 24; renter(); }
void rCF() { regs_curs = 25; renter(); }
void rcodejump()
{
Z80 &cpu = CpuMgr.Cpu();
if (regs_layout[regs_curs].width == 16)
{
activedbg = WNDTRACE;
cpu.trace_curs = cpu.trace_top = *(unsigned short*)(PCHAR((TZ80State*)&cpu) + regs_layout[regs_curs].offs);
}
}
void rdatajump()
{
Z80 &cpu = CpuMgr.Cpu();
if (regs_layout[regs_curs].width == 16)
{
activedbg = WNDMEM;
editor = ED_MEM;
cpu.mem_curs = *(unsigned short*)(PCHAR((TZ80State*)&cpu) + regs_layout[regs_curs].offs);
}
}
char dispatch_regs()
{
if ((input.lastkey >= '0' && input.lastkey <= '9') || (input.lastkey >= 'A' && input.lastkey <= 'F'))
{
renter();
return 1;
}
return 0;
}