mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-30 23:28:06 +11:00
35 lines
661 B
NASM
35 lines
661 B
NASM
; Warning: The offsets of native dict entries must be exactly the same between
|
|
; glue0.asm and glue1.asm
|
|
.equ LATEST CODE_END ; override
|
|
.equ STDIO_PORT 0x00
|
|
|
|
jp init
|
|
|
|
.equ GETC emulGetC
|
|
.equ PUTC emulPutC
|
|
.inc "forth.asm"
|
|
|
|
init:
|
|
di
|
|
; setup stack
|
|
ld sp, 0xffff
|
|
call forthMain
|
|
halt
|
|
|
|
emulGetC:
|
|
; Blocks until a char is returned
|
|
in a, (STDIO_PORT)
|
|
cp a ; ensure Z
|
|
ret
|
|
|
|
emulPutC:
|
|
out (STDIO_PORT), a
|
|
ret
|
|
|
|
.out $ ; should be the same as in glue0, minus 2
|
|
; stage0 spits, at the beginning of the binary, the address of the latest word
|
|
; Therefore, we can set the LATEST label to here and we should be good.
|
|
CODE_END:
|
|
.bin "core.bin"
|
|
RAMSTART:
|