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commit
7c1744a565
1 changed files with 6 additions and 5 deletions
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@ -76,8 +76,8 @@ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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// TODO: remove non-wrapping versions?
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// TODO: remove non-wrapping versions?
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#define SPC_NO_SP_WRAPAROUND 0
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#define SPC_NO_SP_WRAPAROUND 0
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#define SET_SP( v ) (sp = ram + 0x101 + (v))
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#define SET_SP( v ) (sp = ram + 0x101 + ((uint8_t) v))
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#define GET_SP() (int(sp - 0x101 - ram))
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#define GET_SP() (uint8_t) (sp - 0x101 - ram)
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#if SPC_NO_SP_WRAPAROUND
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#if SPC_NO_SP_WRAPAROUND
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#define PUSH16( v ) (sp -= 2, SET_LE16( sp, v ))
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#define PUSH16( v ) (sp -= 2, SET_LE16( sp, v ))
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@ -485,7 +485,7 @@ loop:
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case 0xAF: // MOV (X)+,A
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case 0xAF: // MOV (X)+,A
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WRITE_DP( 0, x, a + no_read_before_write );
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WRITE_DP( 0, x, a + no_read_before_write );
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x++;
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x = (uint8_t) (x + 1);
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goto loop;
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goto loop;
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// 5. 8-BIT LOGIC OPERATION COMMANDS
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// 5. 8-BIT LOGIC OPERATION COMMANDS
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@ -808,7 +808,7 @@ loop:
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unsigned temp = y * a;
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unsigned temp = y * a;
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a = (uint8_t) temp;
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a = (uint8_t) temp;
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nz = ((temp >> 1) | temp) & 0x7F;
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nz = ((temp >> 1) | temp) & 0x7F;
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y = temp >> 8;
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y = (uint8_t) (temp >> 8);
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nz |= y;
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nz |= y;
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goto loop;
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goto loop;
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}
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}
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@ -838,6 +838,7 @@ loop:
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nz = (uint8_t) a;
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nz = (uint8_t) a;
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a = (uint8_t) a;
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a = (uint8_t) a;
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y = (uint8_t) y;
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goto loop;
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goto loop;
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}
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}
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@ -1004,7 +1005,7 @@ loop:
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case 0x7F: // RET1
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case 0x7F: // RET1
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temp = *sp;
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temp = *sp;
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SET_PC( GET_LE16( sp + 1 ) );
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SET_PC( GET_LE16( sp + 1 ) );
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sp += 3;
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SET_SP(GET_SP() + 3);
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goto set_psw;
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goto set_psw;
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case 0x8E: // POP PSW
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case 0x8E: // POP PSW
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POP( temp );
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POP( temp );
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