keyboard interrupt (untested)

[ld45_start_nothing] / src / kbregs.inc

diff --git a/src/kbregs.inc b/src/kbregs.inc
new file mode 100644 (file)
index 0000000..8b58ced
--- /dev/null
+++ b/src/kbregs.inc
@@ -0,0 +1,26 @@
+; vi:filetype=nasm ts=8 sts=8 sw=8:
+
+KB_IRQ                 equ 1
+KB_DATA_PORT           equ 60h
+KB_CMD_PORT            equ 64h
+KB_STATUS_PORT         equ 64h
+
+KB_ACK                 equ 00fah
+KB_NACK                        equ 00feh
+KB_TEST_PASS           equ 0055h
+KB_TEST_FAIL           equ 00fch
+
+KB_STAT_OUTBUF_FULL    equ 01h
+KB_STAT_INBUF_FULL     equ 02h
+KB_STAT_SYSFLAG                equ 04h
+KB_STAT_CMD            equ 08h
+KB_STAT_ACTIVE         equ 10h
+KB_STAT_AUX            equ 20h
+KB_STAT_TIMEOUT                equ 40h
+KB_STAT_PAR_ERROR      equ 80h
+
+KB_CMD_GET_CMDBYTE     equ 20h
+KB_CMD_SET_CMDBYTE     equ 60h
+
+KB_CCB_KB_INTREN       equ 01h
+KB_CCB_KB_XLAT         equ 40h