X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=sect.h;h=bae68ebecaaf1ef4ce986c39bf9282f5a18316a2;hp=129b1cc08148228ea6ba3ec0c35f059a4dfc7404;hb=29b32d134bc12831a8ddd098bf9aeeda26dcfe7c;hpb=5cd8a4814b805f1ef8ce689423eb5eeba12573c5 diff --git a/sect.h b/sect.h index 129b1cc..bae68eb 100644 --- a/sect.h +++ b/sect.h @@ -1,9 +1,9 @@ // -// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System +// RMAC - Reboot's Macro Assembler for all Atari computers // SECT.H - Code Generation, Fixups and Section Management -// Copyright (C) 199x Landon Dyer, 2017 Reboot and Friends +// Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986 -// Source utilised with the kind permission of Landon Dyer +// Source utilized with the kind permission of Landon Dyer // #ifndef __SECT_H__ @@ -11,9 +11,8 @@ #include "rmac.h" -// Macros to deposit code in the current section +// Macros to deposit code in the current section (in Big Endian) // D_rword deposits a "6502" format (low, high) word (01). -// D_rlong deposits a MWC "canonical byte order" longword (2301). #define D_byte(b) {*chptr++=(uint8_t)(b); sloc++; ch_size++; \ if(orgactive) orgaddr++;} #define D_word(w) {chcheck(2);*chptr++=(uint8_t)((w)>>8); \ @@ -24,11 +23,22 @@ *chptr++=(uint8_t)((lw)>>8); \ *chptr++=(uint8_t)(lw); \ sloc += 4; ch_size += 4; if(orgactive) orgaddr += 4;} -#define D_rword(w) {*chptr++=(uint8_t)w; *chptr++=(uint8_t)(w>>8); \ +#define D_quad(qw) {*chptr++=(uint8_t)((qw)>>56); \ + *chptr++=(uint8_t)((qw)>>48);\ + *chptr++=(uint8_t)((qw)>>40);\ + *chptr++=(uint8_t)((qw)>>32);\ + *chptr++=(uint8_t)((qw)>>24);\ + *chptr++=(uint8_t)((qw)>>16);\ + *chptr++=(uint8_t)((qw)>>8); \ + *chptr++=(uint8_t)(qw); \ + sloc += 8; ch_size += 8; if(orgactive) orgaddr += 8;} +#define D_rword(w) {*chptr++=(uint8_t)(w); *chptr++=(uint8_t)((w)>>8); \ sloc+=2; ch_size+=2;if(orgactive) orgaddr += 2;} -//#define D_rlong(lw) {*chptr++=(uint8_t)(lw>>16);*chptr++=(uint8_t)(lw>>24);\ -// *chptr++=(uint8_t)lw;*chptr++=(uint8_t)(lw>>8); \ -// sloc+=4; ch_size += 4;if(orgactive) orgaddr += 4;} +// This macro expects to get an array of uint8_ts with the hi bits in a[0] and +// the low bits in a[11] (Big Endian). +#define D_extend(a) {memcpy(chptr, a, 12); chptr+=12; sloc+=12, ch_size+=12;\ + if (orgactive) orgaddr+=12;} + // Fill n bytes with zeroes #define D_ZEROFILL(n) {memset(chptr, 0, n); chptr+=n; sloc+=n; ch_size+=n;\ if (orgactive) orgaddr+=n;} @@ -90,6 +100,12 @@ #define FU_LBRA 0x4000 // Long branch, for short branch detect #define FU_DONE 0x8000 // Fixup has been done +// FPU fixups +// TODO: these are obviously bogus for now! +#define FU_FLOATSING 0x0D0B // Fixup 32-bit float +#define FU_FLOATDOUB 0x0E0B // Fixup 64-bit float +#define FU_FLOATEXT 0x0F0B // Fixup 96-bit float + // Chunks are used to hold generated code and fixup records #define CHUNK struct _chunk CHUNK {