emul/ukncbtl-utils
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Z80Converter: WIP

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This commit is contained in:
nzeemin 2024-03-31 14:01:42 +03:00
parent e410a6044a
commit 2bdd66f80f
2 changed files with 47 additions and 13 deletions
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2
Z80Converter/dasmz80.cpp
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@ -57,7 +57,7 @@ static const char *Mnemonics[256] =
"RET NC", "POP DE", "JP NC,#h", "OUTA (*h)", "CALL NC,#h", "PUSH DE", "SUB *h", "RST 10h",
"RET C", "EXX", "JP C,#h", "INA (*h)", "CALL C,#h", "PFX_DD", "SBC *h", "RST 18h",
"RET PO", "POP HL", "JP PO,#h", "EX HL,(SP)", "CALL PO,#h", "PUSH HL", "AND *h", "RST 20h",
"RET PE", "LD PC,HL", "JP PE,#h", "EX DE,HL", "CALL PE,#h", "PFX_ED", "XOR *h", "RST 28h",
"RET PE", "JP (HL)", "JP PE,#h", "EX DE,HL", "CALL PE,#h", "PFX_ED", "XOR *h", "RST 28h",
"RET P", "POP AF", "JP P,#h", "DI", "CALL P,#h", "PUSH AF", "OR *h", "RST 30h",
"RET M", "LD SP,HL", "JP M,#h", "EI", "CALL M,#h", "PFX_FD", "CP *h", "RST 38h"
};

58
Z80Converter/recomp.cpp
View File

@ -186,18 +186,6 @@ string PatternProc_JR_CNC()
return buffer;
}
string PatternProc_ROLL_A()
{
switch (g_command[0])
{
case 0x07: /* rlca */ return "ROLB R0";
case 0x0F: /* rrca */ return "RORB R0";
case 0x17: /* rla */ return "???";
case 0x1F: /* rra */ return "???";
}
return "";
}
string PatternProc_RLA()
{
return "ROLB R0";
@ -206,6 +194,19 @@ string PatternProc_RRA()
{
return "RORB R0";
}
string PatternProc_ROLL_A()
{
switch (g_command[0])
{
case 0x07: /* rlca */ return "ROLB R0";
case 0x0F: /* rrca */ return "RORB R0";
case 0x17: /* rla */ return PatternProc_RLA();
case 0x1F: /* rra */ return PatternProc_RRA();
}
return "???";
}
string PatternProc_SRL_A()
{
return "ASRB R0 or ASR R0";
@ -431,6 +432,31 @@ string PatternProc_XOR_A()
{
return "CLR R0";
}
//NOTE: Íåò îïåðàöèè XORB
string PatternProc_XOR_R()
{
switch (g_command[0])
{
case 0xA8: /* xor b */ return "???";
case 0xA9: /* xor c */ return "XOR R1, R0";
case 0xAA: /* xor d */ return "???";
case 0xAB: /* xor e */ return "XOR R2, R0";
case 0xAC: /* xor h */ return "???";
case 0xAD: /* xor l */ return "XOR R3, R0";
case 0xAE: /* xor (hl) */ return "???"; // òóò ñëîæíîñòè, ïîòîìó ÷òî íóæíà áàéòîâàÿ îïåðàöèÿ
case 0xAF: /* xor a */ return PatternProc_XOR_A();
}
return "???";
}
string PatternProc_XOR_NN()
{
uint8_t bparam = g_command[1];
char buffer[40];
_snprintf(buffer, sizeof(buffer), "XOR #%03o, R0", bparam);
return buffer;
}
string PatternProc_OR_A()
{
return "TST R0 or TSTB R0";
@ -472,6 +498,11 @@ string PatternProc_SUB_X()
return "";
}
string PatternProc_JP_HLADDR()
{
return "JMP (R3)";
}
string PatternProc_JP()
{
uint16_t wparam = g_command[1] + g_command[2] * 256;
@ -827,6 +858,7 @@ Pattern g_patterns[] =
{ 1, { 0xA6 }, { 0xEF }, PatternProc_ANDOR_A_HLADDR },
{ 1, { 0xA7 }, { 0xFF }, PatternProc_AND_A },
{ 1, { 0xAF }, { 0xFF }, PatternProc_XOR_A },
{ 1, { 0xA8 }, { 0xF8 }, PatternProc_XOR_R }, // xor r, xor (HL)
{ 1, { 0xB7 }, { 0xFF }, PatternProc_OR_A },
{ 1, { 0xBE }, { 0xFF }, PatternProc_CP_HLADDR }, // cp (HL)
{ 1, { 0xC0 }, { 0xC7 }, PatternProc_RET_CC },
@ -840,7 +872,9 @@ Pattern g_patterns[] =
{ 1, { 0xCD }, { 0xFF }, PatternProc_CALL },
{ 1, { 0xD6 }, { 0xFF }, PatternProc_SUB_A_NN },
{ 1, { 0xE6 }, { 0xEF }, PatternProc_ANDOR_A_NN },
{ 1, { 0xE9 }, { 0xEF }, PatternProc_JP_HLADDR },
{ 1, { 0xEB }, { 0xEF }, PatternProc_EX_DE_HL },
{ 1, { 0xEE }, { 0xFF }, PatternProc_XOR_NN },
{ 1, { 0xFE }, { 0xFF }, PatternProc_CP_XX },
// CB table