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collapseos/emul/xcomp.fs
Virgil Dupras 87b51a6261 By default, allocate about 0x100 bytes for PSP+RSP
During "make updatebootstrap", we use less than 0x20 bytes on the
PSP side and less than 0x40 bytes on the RSP one. 0x100 bytes ought
to be enough for anybody.
2020-05-14 18:41:09 -04:00

41 lines
702 B
Forth

0xe800 CONSTANT RAMSTART
0xff00 CONSTANT RS_ADDR
0xfffa CONSTANT PS_ADDR
212 LOAD ( z80 assembler )
262 LOAD ( xcomp )
270 LOAD ( xcomp overrides )
282 LOAD ( boot.z80 )
393 LOAD ( xcomp core low )
: (emit) 0 PC! ;
: (key) 0 PC@ ;
: EFS@
256 /MOD 3 PC! 3 PC!
1024 0 DO
4 PC@
BLK( I + C!
LOOP
;
: EFS!
256 /MOD 3 PC! 3 PC!
1024 0 DO
BLK( I + C@ 4 PC!
LOOP
;
420 LOAD ( xcomp core high )
(entry) _
( Update LATEST )
PC ORG @ 8 + !
," CURRENT @ HERE ! "
," : INIT "
," BLK$ "
," ['] EFS@ BLK@* ! "
," ['] EFS! BLK!* ! "
," RDLN$ "
," LIT< _sys [entry] "
," LIT< CollapseOS (print) NL "
," ; INIT "
ORG @ 256 /MOD 2 PC! 2 PC!
H@ 256 /MOD 2 PC! 2 PC!