made a big rewrite of the z80 code

code/Z80_rom/.gitignore

@@ -0,0 +1,30 @@
+# Compiled Object files
+*.o
+*.obj
+
+# Executables
+*.bin
+*.elf
+src/LSTDex
+bin/
+#.vscode/
+.cache/
+__pycache__/
+libarduinoSTL/
+libarduino/
+*.ini
+.d/
+pkg/
+*.tar.gz
+*.pkg.tar.zst
+l61/
+.ccls-cache/
+.kdev4/
+*.lex61
+/data
+l61bs.kdev4
+.idea/
+.run/
+out.asm
+*.sym
+/.vscode

code/Z80_rom/Makefile

@@ -0,0 +1,51 @@
+#
+#Copyright (C) 2024  tete
+#
+#This program is free software: you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation, either version 3 of the License, or
+#(at your option) any later version.
+#
+#This program is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+#
+#You should have received a copy of the GNU General Public License
+#along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
+
+BUILD_DIR := build
+# Directories containing source files
+SRC_DIR = src
+SRC_DIRS += $(SRC_DIR) $(wildcard $(SRC_DIR)/**)
+
+SRC_FILES := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.*))
+
+AS = pasmo
+
+NAME = zsys_ctl
+ROM = ${NAME}.bin
+PRE_ROM = ${NAME}.pram.bin
+FIXED_RAM_IMG = ${NAME}.fixed.bin
+
+all: rom
+
+default: rom
+rom: ${ROM}
+
+clean:
+	rm -r ${ROM} ${FIXED_RAM_IMG} ${PRE_ROM} ${PRE_ROM}.sym  out.asm 
+
+out.asm:
+	bash ./makebigasm ${SRC_FILES}
+
+$(PRE_ROM): out.asm
+	${AS} -I ./src --bin out.asm ${PRE_ROM} ${PRE_ROM}.sym
+
+$(FIXED_RAM_IMG): $(PRE_ROM)
+	dd skip=512B if=${PRE_ROM} of=${FIXED_RAM_IMG} &> /dev/null
+
+$(ROM): ${FIXED_RAM_IMG}
+	${AS} -I . --bin z80_bootloader.asm ${ROM} zbootloader.sym

code/Z80_rom/makebigasm

@@ -0,0 +1,28 @@
+#!/bin/env bash
+
+if [[ -e "out.asm" ]]; then
+    rm "out.asm"
+fi
+
+touch out.asm
+for item in $@; do
+    if [ ! -e "$item" ]; then
+        echo "File \"$item\" not exists"
+        exit 1
+    fi
+
+    echo -e "\n; start of $item\n" >> out.asm
+    cat $item >> out.asm
+
+    echo -e "\n; end of $item\n" >> out.asm
+done
+
+cat >> out.asm <<_ACEOF
+
+; injeced code
+    if $ >= 484+512
+        .error "ram code to big"
+    endif
+; end injeced code
+
+_ACEOF

code/Z80_rom/src/helper_mac.inc

@@ -0,0 +1,57 @@
+    cmp  MACRO opt1, opt2
+        ;ld ($+4), a
+        ld a, opt1
+        ;jr $+2
+        ;db 0
+        cp opt2
+        ;jr $+4
+    ENDM
+
+    jeq macro adder
+        jp z, adder
+    endm
+
+    block macro n, val
+        rept n
+            db val
+        endm
+    endm
+
+    macro reqcall
+        call reqsys
+    endm
+
+    jneq macro adder
+        jp nz, adder
+    endm
+
+    calleq  macro adder
+        call z, adder
+    endm
+
+    callneq macro adder
+        call nz, adder
+    endm
+
+    retneq macro
+        ret nz
+    endm
+
+    reteq macro
+        ret z
+    endm
+
+    word macro ...
+        dw ...
+    endm
+
+    defval macro dname, dval
+            dname macro
+                dval
+            endm
+    endm
+
+    stackld macro to, from
+        push from
+        pop to
+    endm

code/Z80_rom/src/main.asm

@@ -0,0 +1,49 @@
+MAIN_CPU_POWER_REG equ 0xFC
+MORE_WORK_READY_FLAG equ 0xCC
+POWER_OFF_FLAG equ 0xC1
+TODO_MAIN_MEM_START_ADDER equ 0xCC
+
+    org 0x00
+boot_vec:
+    db 0
+;rom_metadata:
+;    db "tete", 0
+;    db 4
+;    db "z80 ctl ROM and mem-man", 0
+;    db 23
+
+
+    org 0x200
+work_buff:
+    block (256/2), 0x00
+    ret
+
+z80_start_ram equ work_buff
+
+__start:
+    ld bc, TODO_MAIN_MEM_START_ADDER
+    call mem_setup
+    cmp b, 1
+
+    jeq cpu_start_up
+    jneq run_loop
+
+    ld a, 45
+    ld bc, 0x455
+
+cpu_start_up:
+    ld hl, MAIN_CPU_POWER_REG
+    ld (hl), b
+
+run_loop:
+    cmp (MORE_WORK_READY_FLAG), 1; *(MORE_WORK_READY_FLAG) == true
+
+    calleq work_buff
+
+    jr run_loop
+start_error:
+    halt
+    jr start_error
+
+mem_setup: ;todo
+    ret

code/Z80_rom/src/reqsys.asm

@@ -0,0 +1,47 @@
+MEMCPY_REQ_CODE equ 15
+SET_MEM_BANK_REQ_CODE equ 5
+
+reqsys:
+    push de
+    push hl
+
+    cmp a, MEMCPY_REQ_CODE        ; if b == MEMCPY_REQ_CODE then
+    calleq memcpy_task            ;    memcpy_task()
+    cmp a, SET_MEM_BANK_REQ_CODE  ; eles if b == SET_MEM_BANK_REQ_COD then
+    calleq set_mem_bank_task      ;    set_mem_bank_task()
+                                  ; endif
+
+    cmp a, 1
+    jeq reset_req_on_ret
+    jneq reqsys_end
+
+reset_req_on_ret
+    pop hl
+    pop de
+
+reqsys_end:
+    ret
+
+req_arg_a:
+    dw 0
+
+req_arg_b:
+    dw 0
+
+req_arg_c:
+    dw 0
+
+memcpy_task:
+    pop hl
+    pop de
+    lddr
+
+    ld a, 0
+
+    push de
+    pop bc
+    ret
+
+set_mem_bank_task:
+    nop ; TODO
+    ret

code/Z80_rom/z80_bootloader.asm

@@ -0,0 +1,32 @@
+    include "src/helper_mac.inc"
+    include "zsys_ctl.pram.bin.sym"
+RAM_IMG_LEN equ (end_ram_img-ram_img)
+
+cpu_bank	EQU 00CA0H
+end_cpu_bank	EQU 00D20H
+
+    org 0x0
+__boot:
+    ld bc, RAM_IMG_LEN
+    ld de, z80_start_ram
+    ld hl, ram_img
+    lddr
+
+    ld a,  0
+    ld bc, 0
+    ld de, 0
+    ld hl, 0
+    jp __start
+
+E1: 
+    halt
+    jr E1
+    db "R"
+ram_img:
+    incbin "zsys_ctl.fixed.bin"
+end_ram_img:
+
+
+    if $ >= 0x200
+        .error "ram_img to big"
+    endif