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Lines 76-83
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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| 76 |
// TODO: remove non-wrapping versions? |
76 |
// TODO: remove non-wrapping versions? |
| 77 |
#define SPC_NO_SP_WRAPAROUND 0 |
77 |
#define SPC_NO_SP_WRAPAROUND 0 |
| 78 |
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78 |
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| 79 |
#define SET_SP( v ) (sp = ram + 0x101 + (v)) |
79 |
#define SET_SP( v ) (sp = ram + 0x101 + ((uint8_t) v)) |
| 80 |
#define GET_SP() (sp - 0x101 - ram) |
80 |
#define GET_SP() (uint8_t) (sp - 0x101 - ram) |
| 81 |
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81 |
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| 82 |
#if SPC_NO_SP_WRAPAROUND |
82 |
#if SPC_NO_SP_WRAPAROUND |
| 83 |
#define PUSH16( v ) (sp -= 2, SET_LE16( sp, v )) |
83 |
#define PUSH16( v ) (sp -= 2, SET_LE16( sp, v )) |
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Lines 485-491
loop:
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| 485 |
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485 |
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| 486 |
case 0xAF: // MOV (X)+,A |
486 |
case 0xAF: // MOV (X)+,A |
| 487 |
WRITE_DP( 0, x, a + no_read_before_write ); |
487 |
WRITE_DP( 0, x, a + no_read_before_write ); |
| 488 |
x++; |
488 |
x = (uint8_t) (x + 1); |
| 489 |
goto loop; |
489 |
goto loop; |
| 490 |
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490 |
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| 491 |
// 5. 8-BIT LOGIC OPERATION COMMANDS |
491 |
// 5. 8-BIT LOGIC OPERATION COMMANDS |
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Lines 808-814
loop:
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| 808 |
unsigned temp = y * a; |
808 |
unsigned temp = y * a; |
| 809 |
a = (uint8_t) temp; |
809 |
a = (uint8_t) temp; |
| 810 |
nz = ((temp >> 1) | temp) & 0x7F; |
810 |
nz = ((temp >> 1) | temp) & 0x7F; |
| 811 |
y = temp >> 8; |
811 |
y = (uint8_t) (temp >> 8); |
| 812 |
nz |= y; |
812 |
nz |= y; |
| 813 |
goto loop; |
813 |
goto loop; |
| 814 |
} |
814 |
} |
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Lines 838-843
loop:
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| 838 |
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838 |
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| 839 |
nz = (uint8_t) a; |
839 |
nz = (uint8_t) a; |
| 840 |
a = (uint8_t) a; |
840 |
a = (uint8_t) a; |
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841 |
y = (uint8_t) y; |
| 841 |
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842 |
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| 842 |
goto loop; |
843 |
goto loop; |
| 843 |
} |
844 |
} |
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Lines 1004-1010
loop:
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| 1004 |
case 0x7F: // RET1 |
1005 |
case 0x7F: // RET1 |
| 1005 |
temp = *sp; |
1006 |
temp = *sp; |
| 1006 |
SET_PC( GET_LE16( sp + 1 ) ); |
1007 |
SET_PC( GET_LE16( sp + 1 ) ); |
| 1007 |
sp += 3; |
1008 |
SET_SP( GET_SP() + 3 ); |
| 1008 |
goto set_psw; |
1009 |
goto set_psw; |
| 1009 |
case 0x8E: // POP PSW |
1010 |
case 0x8E: // POP PSW |
| 1010 |
POP( temp ); |
1011 |
POP( temp ); |
| 1011 |
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