Fix silly mask bugs, added check for use of undefined register equates.

[rmac] / riscasm.h

diff --git a/riscasm.h b/riscasm.h
new file mode 100644 (file)
index 0000000..6c64a94
--- /dev/null
+++ b/riscasm.h
@@ -0,0 +1,56 @@
+//
+// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
+// RISCA.H - GPU/DSP Assembler
+// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends
+// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
+// Source Utilised with the Kind Permission of Landon Dyer
+//
+
+#ifndef __RISCA_H__
+#define __RISCA_H__
+
+#include "rmac.h"
+#include "procln.h"
+
+#define MAXINTERNCC 26                 // Maximum internal condition codes
+
+// RISC Instruction Types
+#define RI_NONE     0x0000             // No Operands - NOP
+#define RI_ONE      0x0001             // One Operand - Rd - ABS/NEG/etc
+#define RI_TWO      0x0002             // Two Operands - Rs,Rd - Most Instructions
+#define RI_NUM_15   0x0003             // Numeric Operand - n,Rd - n=-16..+15 - CMPQ
+#define RI_NUM_31   0x0004             // Numeric Operand - n,Rd - n=0..31 - BCLR/BSET/BTST/MOVEQ
+#define RI_NUM_32   0x0005             // Numeric Operand - n,Rd - n=1..32 - ADDQ/SUBQ
+#define RI_JR       0x0006             // Jump Relative - cc,n - n=-16..+15 words, reg2=cc
+#define RI_JUMP     0x0007             // Jump Absolute - cc,(Rs) - reg2=cc
+#define RI_MOVEI    0x0008             // Move Immediate - n,Rn - n in second word
+#define RI_MOVE     0x0009             // MOVE Instruction - PC,Rn / Rn,Rn
+#define RI_LOAD     0x000A             // LOAD Instruction - Various Forms
+#define RI_LOADN    0x000B             // LOADB/LOADP/LOADW - (Rs),Rd
+#define RI_STORE    0x000C             // STORE Instruction - Various Forms
+#define RI_STOREN   0x000D             // STOREB/STOREP/STOREM - Rs,(Rd)
+
+// Supplementry Instruction Flags
+#define SUB32       0x2000             // (n = 32-n)
+#define GPUONLY     0x4000             // Opcode is for the GPU Only
+#define DSPONLY     0x8000             // Opcode is for the DSP Only
+
+#define CHECK_COMMA  if(*tok++ != ',') { error(comma_error); return(ERROR); }
+
+// Opcode Specific Data
+struct opcoderecord {
+   short state;                                        // Opcode Name
+   unsigned short typ;                 // Opcode Type
+   unsigned parm;                              // Opcode Parameter
+};
+
+// Globals, externals etc
+extern unsigned orgactive;
+extern unsigned orgaddr;
+extern unsigned orgwarning;
+extern unsigned altbankok;
+
+// Prototypes
+int GenerateRISCCode(int);
+
+#endif // __RISCA_H__