Apple-2-SW
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GWRAM.SYSTEM
mirror of https://github.com/garrettsworkshop/GWRAM.SYSTEM.git
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This commit is contained in:
Zane Kaminski 2023-09-29 20:55:19 -04:00
parent e8399af9da
commit 745358d37b
7 changed files with 63 additions and 59 deletions
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2
Makefile
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@ -68,5 +68,3 @@ clean:
copy: bin/GWRAM.po
cp bin/GWRAM.po /Volumes/FLOPPYEMU/GWRAM.po
diskutil unmount /Volumes/FLOPPYEMU/

BIN
bin/GWRAM.dbg.po
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BIN
bin/GWRAM.po
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1
ram2e.c
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@ -8,6 +8,7 @@
#include "util.h"
#include "gwconio.h"
#include "ram2e_hal.h"
#include "ram2e_save.h"
static void menu()
{

58
ram2e_hal.h
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@ -1,5 +1,5 @@
#ifndef RAM2GS_HAL_H
#define RAM2GS_HAL_H
#ifndef RAM2E_HAL_H
#define RAM2E_HAL_H
#include <ctype.h>
#include <stdint.h>
@ -15,58 +15,4 @@ void ram2e_erase();
void ram2e_save_start(char mask, char enled);
void ram2e_save_end(char mask, char enled);
static char _rwsave[256];
static char _rwsave0_1;
static char _rwsave0_2;
static char _rwsave0_3;
static void ramworks_save() {
__asm__("sta $C009"); // Store in ALTZP
// Save address 0x0000 in every bank
__asm__("ldx #0");
saveloop:
__asm__("stx $C073");
__asm__("lda $00,X");
__asm__("sta %v,X", _rwsave);
__asm__("inx");
__asm__("bne %g", saveloop);
// Save addresses 0x0001-3 in bank 0
__asm__("ldx #0");
__asm__("stx $C073");
__asm__("lda $01");
__asm__("sta %v", _rwsave0_1);
__asm__("lda $02");
__asm__("sta %v", _rwsave0_2);
__asm__("lda $03");
__asm__("sta %v", _rwsave0_3);
__asm__("sta $C008"); // Don't store in ALTZP
}
static void ramworks_restore() {
__asm__("sta $C009"); // Store in ALTZP
// Restore address 0x0000 in every bank
__asm__("ldx #0");
restoreloop:
__asm__("stx $C073");
__asm__("lda %v,X", _rwsave);
__asm__("sta $00,X");
__asm__("inx");
__asm__("bne %g", restoreloop);
// Restore addresses 0x0001-3 in bank 0
__asm__("ldx #0");
__asm__("stx $C073");
__asm__("lda %v", _rwsave0_1);
__asm__("sta $01");
__asm__("lda %v", _rwsave0_2);
__asm__("sta $02");
__asm__("lda %v", _rwsave0_3);
__asm__("sta $03");
__asm__("sta $C008"); // Don't store in ALTZP
}
#endif

58
ram2e_save.h Normal file
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@ -0,0 +1,58 @@
#ifndef RAM2E_SAVE_H
#define RAM2E_SAVE_H
static char _rwsave[256];
static char _rwsave0_1;
static char _rwsave0_2;
static char _rwsave0_3;
static void ramworks_save() {
__asm__("sta $C009"); // Store in ALTZP
// Save address 0x0000 in every bank
__asm__("ldx #0");
saveloop:
__asm__("stx $C073");
__asm__("lda $00,X");
__asm__("sta %v,X", _rwsave);
__asm__("inx");
__asm__("bne %g", saveloop);
// Save addresses 0x0001-3 in bank 0
__asm__("ldx #0");
__asm__("stx $C073");
__asm__("lda $01");
__asm__("sta %v", _rwsave0_1);
__asm__("lda $02");
__asm__("sta %v", _rwsave0_2);
__asm__("lda $03");
__asm__("sta %v", _rwsave0_3);
__asm__("sta $C008"); // Don't store in ALTZP
}
static void ramworks_restore() {
__asm__("sta $C009"); // Store in ALTZP
// Restore address 0x0000 in every bank
__asm__("ldx #0");
restoreloop:
__asm__("stx $C073");
__asm__("lda %v,X", _rwsave);
__asm__("sta $00,X");
__asm__("inx");
__asm__("bne %g", restoreloop);
// Restore addresses 0x0001-3 in bank 0
__asm__("ldx #0");
__asm__("stx $C073");
__asm__("lda %v", _rwsave0_1);
__asm__("sta $01");
__asm__("lda %v", _rwsave0_2);
__asm__("sta $02");
__asm__("lda %v", _rwsave0_3);
__asm__("sta $03");
__asm__("sta $C008"); // Don't store in ALTZP
}
#endif

3
ram2gs.c
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@ -49,7 +49,7 @@ static void loading_screen()
int ram2gs_main(void)
{
char type;
uint16_t bankcount;
uint8_t bankcount;
char en8meg = true;
char hasled = true;
char enled = false;
@ -89,6 +89,7 @@ int ram2gs_main(void)
// Detect and print current capacity
bankcount = ram2gs_getsize();
en8meg = bankcount >= 128;
menu_size(bankcount);
// Detect and print LED menu