#include "sux.h"
#include "disasm.h"
void disasm(struct sux *cpu, uint64_t *operands, uint8_t lines, uint8_t opcode, uint8_t prefix, uint8_t thread) {
uint64_t value = operands[0];
uint64_t address = operands[1];
uint64_t tmpaddr = operands[2];
char postfix[3];
char op[4];
op[0] = opname[opcode][0];
op[1] = opname[opcode][1];
op[2] = opname[opcode][2];
op[3] = '\0';
switch(1 << (prefix >> 4)) {
case 1: postfix[0] = 0; postfix[1] = 0; postfix[2] = 0; break;
case 2: postfix[0] = '.'; postfix[1] = 'W'; postfix[2] = 0; break;
case 4: postfix[0] = '.'; postfix[1] = 'D'; postfix[2] = 0; break;
case 8: postfix[0] = '.'; postfix[1] = 'Q'; postfix[2] = 0; break;
}
switch (optype[opcode]) {
case IMPL: wprintw(scr, "%s\r" , opname[opcode]); break;
case IMM:
switch(1 << (prefix >> 4)) {
case 1: wprintw(scr, "%s #$%02X\r" , op, value); break;
case 2: wprintw(scr, "%s%s #$%04X\r" , op, postfix, value); break;
case 4: wprintw(scr, "%s%s #$%08X\r" , op, postfix, value); break;
case 8: wprintw(scr, "%s%s #$%016"PRIX64"\r" , op, postfix, value); break;
}
break;
case ZM:
case ZMX:
case ZMY:
switch (optype[opcode]) {
case ZMX: tmpaddr = address - cpu->x[thread]; break;
case ZMY: tmpaddr = address - cpu->y[thread]; break;
}
switch ((prefix & 0x0C) >> 2) {
case 3: wprintw(scr, "%s%s $%08X%s\r" , op, postfix, tmpaddr, (optype[opcode] == ZM) ? "" : ((optype[opcode] == ZMX) ? ", x" : ", y")); break;
case 2: wprintw(scr, "%s%s $%014"PRIX64"%s\r" , op, postfix, tmpaddr, (optype[opcode] == ZM) ? "" : ((optype[opcode] == ZMX) ? ", x" : ", y")); break;
case 1: wprintw(scr, "%s%s $%06X%s\r" , op, postfix, tmpaddr, (optype[opcode] == ZM) ? "" : ((optype[opcode] == ZMX) ? ", x" : ", y")); break;
case 0: wprintw(scr, "%s%s $%02X%s\r" , op, postfix, tmpaddr, (optype[opcode] == ZM) ? "" : ((optype[opcode] == ZMX) ? ", x" : ", y")); break;
}
break;
case IND:
case INDX:
case INDY:
switch ((prefix & 0x0C) >> 2) {
case 3: wprintw(scr, "%s%s ($%08X%s\r" , op, postfix, tmpaddr, (optype[opcode] == IND) ? ")" : ((optype[opcode] == INDX) ? ", x)" : "), y")); break;
case 2: wprintw(scr, "%s%s ($%012"PRIX64"%s\r" , op, postfix, tmpaddr, (optype[opcode] == IND) ? ")" : ((optype[opcode] == INDX) ? ", x)" : "), y")); break;
case 1: wprintw(scr, "%s%s ($%06X%s\r" , op, postfix, tmpaddr, (optype[opcode] == IND) ? ")" : ((optype[opcode] == INDX) ? ", x)" : "), y")); break;
case 0: wprintw(scr, "%s%s ($%02X%s\r" , op, postfix, tmpaddr, (optype[opcode] == IND) ? ")" : ((optype[opcode] == INDX) ? ", x)" : "), y")); break;
}
break;
case ABS:
tmpaddr = address;
switch ((prefix & 0x0C) >> 2) {
case 3: wprintw(scr, "%s%s $%016"PRIX64"\r" , op, postfix, tmpaddr); break;
case 2: wprintw(scr, "%s%s $%014"PRIX64"\r" , op, postfix, tmpaddr); break;
case 1: wprintw(scr, "%s%s $%010"PRIX64"\r" , op, postfix, tmpaddr); break;
case 0: wprintw(scr, "%s%s $%04" PRIX64"\r" , op, postfix, tmpaddr); break;
}
break;
}
if (address == TX_ADDR || address == RX_ADDR) {
wmove(scr, 27, 0);
wprintw(scr, "TX_ADDR: $%02X, RX_ADDR: $%02X", addr[TX_ADDR], addr[RX_ADDR]);
}
if (subdbg) {
uint8_t ln = 33;
uint16_t line_idx = 0;
uint16_t tmpad = 0x2000;
int row, col;
uint8_t iscursor = 0;
uint64_t ptr;
uint8_t adr;
wmove(scr, 30, 0);
adr = 0x1F;
ptr = (uint64_t)addr[adr+0] << 0x00 | (uint64_t)addr[adr+1] << 0x08 | (uint64_t)addr[adr+2] << 0x10 | (uint64_t)addr[adr+3] << 0x18 |
(uint64_t)addr[adr+4] << 0x20 | (uint64_t)addr[adr+5] << 0x28 | (uint64_t)addr[adr+6] << 0x30 | (uint64_t)addr[adr+7] << 0x38;
wprintw(scr, "ptr1: $%04"PRIX64, ptr);
adr = 0x27;
ptr = (uint64_t)addr[adr+0] << 0x00 | (uint64_t)addr[adr+1] << 0x08 | (uint64_t)addr[adr+2] << 0x10 | (uint64_t)addr[adr+3] << 0x18 |
(uint64_t)addr[adr+4] << 0x20 | (uint64_t)addr[adr+5] << 0x28 | (uint64_t)addr[adr+6] << 0x30 | (uint64_t)addr[adr+7] << 0x38;
wprintw(scr, ", ptr2: $%04"PRIX64, ptr);
adr = 0x2F;
ptr = (uint64_t)addr[adr+0] << 0x00 | (uint64_t)addr[adr+1] << 0x08 | (uint64_t)addr[adr+2] << 0x10 | (uint64_t)addr[adr+3] << 0x18 |
(uint64_t)addr[adr+4] << 0x20 | (uint64_t)addr[adr+5] << 0x28 | (uint64_t)addr[adr+6] << 0x30 | (uint64_t)addr[adr+7] << 0x38;
wprintw(scr, ", ptr3: $%04"PRIX64, ptr);
if (address == CTRL_ADDR || addr[STEP_ADDR]) {
mvwprintw(scr, 29, 0, "address: $%04"PRIX64", scr_row: %02u, scr_col: %02u, scr_str: %02u, scr_end: %02u\r", address, addr[0], addr[1], addr[0x1C], addr[0x1D]);
mvwprintw(scr, 32, 0, "bitabl: %02X%02X%02X%02X%02X%02X%02X%02X"
"%02X%02X%02X%02X%02X%02X%02X%02X"
, addr[0x1000], addr[0x1001], addr[0x1002], addr[0x1003], addr[0x1004], addr[0x1005], addr[0x1006], addr[0x1007]
, addr[0x1008], addr[0x1009], addr[0x100A], addr[0x100B], addr[0x100C], addr[0x100D], addr[0x100E], addr[0x100F]);
mvwprintw(scr, ln++, 0, "buffer:\r");
wmove(scr, ln++, 0);
for (uint8_t i = 0; i < 10; i++) {
line_idx = (i << 6) + (i << 4);
for (uint8_t j = 0; j < 0x50; j++) {
wprintw(scr, "%02X", addr[tmpad+j+line_idx]);
if ((addr[0]+addr[0x1C]) == i && addr[1] == j) {
iscursor=1;
getyx(scr,row, col);
wmove(scr, ln++, 0);
wclrtoeol(scr);
wmove(scr, row+1, col-2);
wprintw(scr, "/\\\r");
wmove(scr, row, col);
}
}
wprintw(scr, ", i: %02X", i);
if (!iscursor) {
wmove(scr, ln, 0);
wclrtoeol(scr);
}
iscursor = 0;
wmove(scr, ln++, 0);
}
}
}
}
