diff options
Diffstat (limited to 'src-z80/core/macro.z80')
| -rw-r--r-- | src-z80/core/macro.z80 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src-z80/core/macro.z80 b/src-z80/core/macro.z80 new file mode 100644 index 0000000..eedd527 --- /dev/null +++ b/src-z80/core/macro.z80 @@ -0,0 +1,41 @@ +;**************************************************************************** +; PollPCM +; Used to update PCM while not idle +;---------------------------------------------------------------------------- +; breaks: af +;**************************************************************************** + +PollPCM: macro + ld a, ($4000) + rrca + rst $08 + endm + +;**************************************************************************** +; BankSwitch +; Switches into a new bank (won't update player status!) +;---------------------------------------------------------------------------- +; input A .... New bank to switch into +; input HL ... Must be $60xx +;---------------------------------------------------------------------------- +; breaks ..... AF +;**************************************************************************** + +BankSwitch: macro + ld (hl), a + rrca + ld (hl), a + rrca + ld (hl), a + rrca + ld (hl), a + rrca + ld (hl), a + rrca + ld (hl), a + rrca + ld (hl), a + ld (hl), h + rrca + ld (hl), a + endm |