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added support for undocumented NOPs

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mrdudz
2014-11-19 23:20:46 +01:00
parent cf82bfaf37
commit 044aee7f8d
5 changed files with 44 additions and 32 deletions
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10
src/ca65/instr.c
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@@ -262,7 +262,7 @@ static const struct {
{ "LDX", 0x080030C, 0xa2, 1, PutAll },
{ "LDY", 0x080006C, 0xa0, 1, PutAll },
{ "LSR", 0x000006F, 0x42, 1, PutAll },
{ "NOP", 0x0000001, 0xea, 0, PutAll },
{ "NOP", 0x080006D, 0x00, 10, PutAll }, /* X */
{ "ORA", 0x080A26C, 0x00, 0, PutAll },
{ "PHA", 0x0000001, 0x48, 0, PutAll },
{ "PHP", 0x0000001, 0x08, 0, PutAll },
@@ -790,7 +790,7 @@ const InsTable* InsTab = (const InsTable*) &InsTab6502;
/* Table to build the effective 65xx opcode from a base opcode and an
** addressing mode. (The value in the table is ORed with the base opcode)
*/
static unsigned char EATab[10][AM65I_COUNT] = {
static unsigned char EATab[11][AM65I_COUNT] = {
{ /* Table 0 */
0x00, 0x00, 0x05, 0x0D, 0x0F, 0x15, 0x1D, 0x1F,
0x00, 0x19, 0x12, 0x00, 0x07, 0x11, 0x17, 0x01,
@@ -851,6 +851,12 @@ static unsigned char EATab[10][AM65I_COUNT] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00
},
{ /* Table 10 (NOPs) */
0xea, 0x00, 0x04, 0x0c, 0x00, 0x14, 0x1c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
0x00, 0x00, 0x00
},
};
/* Table to build the effective SWEET16 opcode from a base opcode and an