penguin86/pato-z80-home-computer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

WIP memory check in memory monitor

Browse Source
This commit is contained in:
Daniele Verducci (ZenPenguin)
2021-03-01 09:17:05 +01:00
parent ddb7c58640
commit 2ba63877bf
2 changed files with 69 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
pat80-computer/software/z80-assembly/os/main.asm
View File

@ -56,8 +56,8 @@ Sys_Printc:
; Reads a single character
; @return A The read character
Sys_Readc:
;jp Term_readc
jp PS2Keyb_readc
jp Term_readc
;jp PS2Keyb_readc
; Reads a line
; @return BC The pointer to a null-terminated read string
@ -74,6 +74,7 @@ Sys_Beep:
SYS_VAR_SPACE: EQU 0x8000
DRV_VAR_SPACE: EQU 0x9000
APP_SPACE: EQU 0xA000
MEM_END: EQU 0xFFFF
; SYSTEM CONFIGURATION
IO_0: EQU 0x00
@ -116,19 +117,19 @@ Sysinit:
call Sys_Beep
; Run memory monitor
; ei ; enable maskabpe interrupts
; im 1 ; set interrupt mode 1 (on interrupt jumps to 0x38)
; rst 0x38 ; throw fake interrupt: jump to interrupt routine to start monitor
ei ; enable maskabpe interrupts
im 1 ; set interrupt mode 1 (on interrupt jumps to 0x38)
rst 0x38 ; throw fake interrupt: jump to interrupt routine to start monitor
; Keyboard test
ld a, 0x3E
call Sys_Printc
ktestloop:
call Sys_Readc
call Sys_Printc
ld a, 46
call Sys_Printc
jp ktestloop
; ld a, 0x3E
; call Sys_Printc
; ktestloop:
; call Sys_Readc
; call Sys_Printc
; ld a, 46
; call Sys_Printc
; jp ktestloop
; User exited from memory monitor without loading a program. Do nothing.
mloop: