diff options
| author | Alexey 'Cluster' Avdyukhin <clusterrr@clusterrr.com> | 2020-09-22 19:50:13 +0300 |
|---|---|---|
| committer | Alexey 'Cluster' Avdyukhin <clusterrr@clusterrr.com> | 2020-09-22 19:50:13 +0300 |
| commit | 816446b9df633d924098c940ce4432a25ed555a2 (patch) | |
| tree | e02d966638530862873fd7c3610d0af9b94a0750 /banking.asm | |
| parent | 718980320140d6454514d4ea1c7fa82574b99937 (diff) | |
New tests code
Diffstat (limited to 'banking.asm')
| -rw-r--r-- | banking.asm | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/banking.asm b/banking.asm index 0d7ce94..590d08c 100644 --- a/banking.asm +++ b/banking.asm @@ -1,15 +1,15 @@ - PRG_BANK .rs 1 ; PRG_A BANK CHR_BANK .rs 1 ; CHR_A BANK -FRAM_BANK .rs 1 ; FRAM BANK +PRG_RAM_BANK .rs 1 ; PRG RAM BANK CART_CONFIG .rs 1 ; variable to store last config +PRG_RAM_BANKS .equ 4 ; number of PRG RAM banks banking_init: ; set mirrong, disabe CHR writing, PRG-RAM and flash writing lda #0 sta <PRG_BANK sta <CHR_BANK - sta <FRAM_BANK + sta <PRG_RAM_BANK sta $5003 sta $5005 lda #%00001000 @@ -31,8 +31,8 @@ select_chr_bank: rts ; select 8KB FRAM bank (from A) -select_fram_bank: - sta FRAM_BANK +select_prg_ram_bank: + sta PRG_RAM_BANK jsr sync_banks rts @@ -52,7 +52,7 @@ sync_banks: and #%01111100 ora TMP sta TMP - lda FRAM_BANK + lda PRG_RAM_BANK and #%00000011 ora TMP sta $5005 |