polio: fix comms

2025-10-03 23:27:27 +02:00
parent a55c7c47e0
commit 5bb49da246
4 changed files with 41 additions and 38 deletions
--- a/src/polio.s
+++ b/src/polio.s
@@ -6,7 +6,7 @@
    .global _start
 _start:
    cli
-    mov ax, 0x2000      # stack address
+    mov ax, 0x2000      # stack address, shared with polmon
    mov sp, ax          # ss should already be 0
    sti
    jmp main
@@ -143,7 +143,7 @@ recvpara:
    mov ax, [bp+0]
    add ax, si
    mov dx, [bp+2]
-    call paracomm_recv
+    call pararecv
    ret

    .section .text.int80h
@@ -157,12 +157,11 @@ int80h:
    xor cx, cx
    mov es, cx
    mov ds, cx
-    shl ah
-    cmp ah, offset int80h_entries
+    xchg ah, cl
+    shl cl
+    cmp cl, offset int80h_entries
    jge 0f
-    mov al, ah
-    xor ah, ah
-    mov si, ax
+    mov si, cx
    mov bp, sp
    lea bp, [bp + 16]       # 10 for us, 6 for the interrupt
    call cs:[int80h_table+si]