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They work with the 16-bit registers BC, DE and HL, returning the corresponding 8-bit register. HIGH() works with AF as well, returning A. They also work with any kind of constant or symbol, generating a RPN patch in the object file if the value is not defined at assembly time. They work with macro arguments as well. Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
#ifndef RGBDS_ASM_RPN_H
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#define RGBDS_ASM_RPN_H
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struct Expression {
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SLONG nVal;
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UBYTE tRPN[256];
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ULONG nRPNLength;
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ULONG nRPNOut;
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ULONG isReloc;
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ULONG isPCRel;
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};
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ULONG rpn_isReloc(struct Expression * expr);
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ULONG rpn_isPCRelative(struct Expression * expr);
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void rpn_Symbol(struct Expression * expr, char *tzSym);
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void rpn_Number(struct Expression * expr, ULONG i);
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void rpn_LOGNOT(struct Expression * expr, struct Expression * src1);
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void
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rpn_LOGOR(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGAND(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGEQU(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGGT(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGLT(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGGE(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGLE(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_LOGNE(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_ADD(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_SUB(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_XOR(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_OR(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_AND(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_SHL(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_SHR(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_MUL(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_DIV(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void
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rpn_MOD(struct Expression * expr, struct Expression * src1,
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struct Expression * src2);
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void rpn_HIGH(struct Expression * expr, struct Expression * src);
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void rpn_LOW(struct Expression * expr, struct Expression * src);
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void rpn_UNNEG(struct Expression * expr, struct Expression * src);
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void rpn_UNNOT(struct Expression * expr, struct Expression * src);
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UWORD rpn_PopByte(struct Expression * expr);
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void rpn_Bank(struct Expression * expr, char *tzSym);
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void rpn_Reset(struct Expression * expr);
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int
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rpn_RangeCheck(struct Expression * expr, struct Expression * src, SLONG low,
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SLONG high);
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void rpn_CheckHRAM(struct Expression * expr, struct Expression * src1);
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#endif
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