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part of #1792 - 48GS02 assembler support

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mrdudz
2025-06-21 00:56:34 +02:00
parent d333627081
commit 9344d87b05
14 changed files with 803 additions and 74 deletions
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33
src/ca65/ea65.c
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@@ -101,6 +101,9 @@ void GetEA (EffAddr* A)
if (TokIsSep (CurTok.Tok)) {
A->AddrModeSet = AM65_IMPLICIT;
if (GetCPU() == CPU_45GS02) {
A->AddrModeSet |= AM65_Q;
}
} else if (CurTok.Tok == TOK_HASH) {
@@ -114,6 +117,11 @@ void GetEA (EffAddr* A)
NextTok ();
A->AddrModeSet = AM65_ACCU;
} else if (CurTok.Tok == TOK_Q) {
NextTok ();
A->AddrModeSet = AM65_Q;
} else if (CurTok.Tok == IndirectEnter) {
/* One of the indirect modes */
@@ -160,8 +168,19 @@ void GetEA (EffAddr* A)
}
} else {
/* (adr) */
A->AddrModeSet = (CPU == CPU_4510) ? AM65_ABS_IND
: AM65_ABS_IND | AM65_ABS_IND_LONG | AM65_DIR_IND;
switch (CPU) {
case CPU_4510:
A->AddrModeSet = AM65_ABS_IND;
break;
case CPU_45GS02:
A->AddrModeSet = AM65_ABS_IND | AM65_DIR_IND;
break;
default:
A->AddrModeSet = AM65_ABS_IND | AM65_ABS_IND_LONG | AM65_DIR_IND;
break;
}
}
}
@@ -175,8 +194,14 @@ void GetEA (EffAddr* A)
if (CurTok.Tok == TOK_COMMA) {
/* [dir],y */
NextTok ();
Consume (TOK_Y, "'Y' expected");
A->AddrModeSet = AM65_DIR_IND_LONG_Y;
if (GetCPU() == CPU_45GS02) {
Consume(TOK_Z, "'Z' expected");
A->AddrModeSet = AM65_32BIT_BASE_IND_Z;
}
else {
Consume(TOK_Y, "'Y' expected");
A->AddrModeSet = AM65_DIR_IND_LONG_Y;
}
} else {
/* [dir] */
A->AddrModeSet = AM65_DIR_IND_LONG | AM65_ABS_IND_LONG;