X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=sect.h;h=14dc65f86b046be347c32592a408f288ef10267f;hp=dc5e16751e6f06c7c537ee277be6b192ffc3f118;hb=4205233c8397c581b4d27ab36ab81ec896ef3dd0;hpb=4ca3c2db2690ab998707415f8555ecd2fabc6ef2 diff --git a/sect.h b/sect.h index dc5e167..14dc65f 100644 --- a/sect.h +++ b/sect.h @@ -1,7 +1,7 @@ // // RMAC - Reboot's Macro Assembler for all Atari computers // SECT.H - Code Generation, Fixups and Section Management -// Copyright (C) 199x Landon Dyer, 2011-2018 Reboot and Friends +// Copyright (C) 199x Landon Dyer, 2011-2020 Reboot and Friends // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986 // Source utilized with the kind permission of Landon Dyer // @@ -10,6 +10,7 @@ #define __SECT_H__ #include "rmac.h" +#include "riscasm.h" // Macros to deposit code in the current section (in Big Endian) #define D_byte(b) {chcheck(1);*chptr++=(uint8_t)(b); sloc++; ch_size++; \ @@ -38,7 +39,7 @@ sloc+=2; ch_size+=2;if(orgactive) orgaddr += 2;} // Macro for the 56001. Word size on this device is 24 bits wide. I hope that -// orgaddr += 1 means that the addresses in the device reflect this. +// orgaddr += 1 means that the addresses in the device reflect this. [A: Yes.] #define D_dsp(w) {chcheck(3);*chptr++=(uint8_t)(w>>16); \ *chptr++=(uint8_t)(w>>8); *chptr++=(uint8_t)w; \ sloc+=1; ch_size += 3; if(orgactive) orgaddr += 1; \ @@ -53,7 +54,9 @@ #define D_ZEROFILL(n) {chcheck(n); memset(chptr, 0, n); chptr+=n; sloc+=n; \ ch_size+=n; if (orgactive) orgaddr+=n;} -#define NSECTS 16 // Max. number of sections +//OK, this is bad, mmkay? The constants defined in rmac.h are used as indices into an array which means that this was never meant to be defined this way--at least if it was, it was a compromise that has come home to bite us all in the ass. !!! FIX !!! +//#define NSECTS 16 // Max. number of sections +#define NSECTS 256 // Max. number of sections // Tunable (storage) definitions #define CH_THRESHOLD 32 // Minimum amount of space in code chunk @@ -76,9 +79,12 @@ #define FU_6BRA 0x0007 // Fixup 6502-format branch offset #define FU_BYTEH 0x0008 // Fixup 6502 high byte of immediate word #define FU_BYTEL 0x0009 // Fixup 6502 low byte of immediate word +#define FU_QUAD 0x000A // Fixup quad-word (8 bytes, typically OP) +#define FU_56001 0x000B // Fixup code for all 56001 modes #define FU_SEXT 0x0010 // Ok to sign extend #define FU_PCREL 0x0020 // Subtract PC first +#define FU_PCRELX 0x1000000 // 030 variant #define FU_EXPR 0x0040 // Expression (not symbol) follows #define FU_GLOBAL 0x0080 // Mark global symbol @@ -98,9 +104,29 @@ #define FU_DONE 0x8000 // Fixup has been done // FPU fixups -#define FU_FLOATSING 0x000A // Fixup 32-bit float -#define FU_FLOATDOUB 0x000B // Fixup 64-bit float -#define FU_FLOATEXT 0x000C // Fixup 96-bit float +#define FU_FLOATSING 0x000D // Fixup 32-bit float +#define FU_FLOATDOUB 0x000E // Fixup 64-bit float +#define FU_FLOATEXT 0x000F // Fixup 96-bit float + +// OP fixups +#define FU_OBJLINK 0x10000 // Fixup OL link addr (bits 24-42, drop last 3) +#define FU_OBJDATA 0x20000 // Fixup OL data addr (bits 43-63, drop last 3) + +// DSP56001 fixups +#define FUMASKDSP 0xF00000 // Mask for DSP56001 fuckups^Wfixups +#define FU_DSPIMM5 0x100000 // Fixup 5-bit immediate +#define FU_DSPADR12 0x200000 // Fixup 12-bit address +#define FU_DSPADR24 0x300000 // Fixup 24-bit address +#define FU_DSPADR16 0x400000 // Fixup 16-bit address +#define FU_DSPIMM12 0x500000 // Fixup 12-bit immediate +#define FU_DSPIMM24 0x600000 // Fixup 24-bit immediate +#define FU_DSPIMM8 0x700000 // Fixup 8-bit immediate +#define FU_DSPADR06 0x800000 // Fixup 6-bit address +#define FU_DSPPP06 0x900000 // Fixup 6 bit pp address +#define FU_DSPIMMFL8 0xA00000 // Fixup 8-bit immediate float +#define FU_DSPIMMFL16 0xB00000 // Fixup 16-bit immediate float +#define FU_DSPIMMFL24 0xC00000 // Fixup 24-bit immediate float + // Chunks are used to hold generated code and fixup records #define CHUNK struct _chunk