diff options
Diffstat (limited to 'src/proc.asm')
| -rw-r--r-- | src/proc.asm | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/proc.asm b/src/proc.asm index a2b1368..ab1c807 100644 --- a/src/proc.asm +++ b/src/proc.asm @@ -221,7 +221,10 @@ ProcCreate:: ld [hl+], a ; PROC_WRAMB xor a ld [hl+], a ; PROC_PARENT - ld [hl], a ; PROC_EXIT + ld [hl+], a ; PROC_EXIT + ld a, STD_CONSOLE + ld [hl+], a ; PROC_STDIN = console + ld [hl], a ; PROC_STDOUT = console ; build the initial stack frame in the task's RAM bank ld a, [wTmpEntry] @@ -438,7 +441,19 @@ sys_fork:: ld [hl+], a ; PROC_EXIT = 0 xor a - ld [hl], a + ld [hl+], a + ; PROC_STDIN / PROC_STDOUT = inherit from parent + ld a, [wCurProc] + add PROC_STDIN + ld e, a + ld a, [wCurProc+1] + adc 0 + ld d, a + ld a, [de] + ld [hl+], a ; child STDIN = parent STDIN + inc de + ld a, [de] + ld [hl], a ; child STDOUT = parent STDOUT ; ---- return to the parent with child pid ---- ld a, [wForkUserSP] |