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| author | Juan J. Martinez <jjm@usebox.net> | 2021-05-03 08:21:10 +0100 |
|---|---|---|
| committer | Juan J. Martinez <jjm@usebox.net> | 2021-05-03 10:00:00 +0100 |
| commit | c3b0fa04a663fe233765b83d3be41a42aa08c25d (patch) | |
| tree | 0befda349001ef6ce306b39378f9c70ad917363e /lib/cpcrslib/cpc_SetMode.s | |
| download | return-of-traxtor-cpc-c3b0fa04a663fe233765b83d3be41a42aa08c25d.tar.gz return-of-traxtor-cpc-c3b0fa04a663fe233765b83d3be41a42aa08c25d.zip | |
Diffstat (limited to 'lib/cpcrslib/cpc_SetMode.s')
| -rw-r--r-- | lib/cpcrslib/cpc_SetMode.s | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/cpcrslib/cpc_SetMode.s b/lib/cpcrslib/cpc_SetMode.s new file mode 100644 index 0000000..f6877b4 --- /dev/null +++ b/lib/cpcrslib/cpc_SetMode.s @@ -0,0 +1,13 @@ +.globl _cpc_SetMode + +_cpc_SetMode:: + ;ld a,l + LD HL,#2 + ADD HL,SP + LD L,(HL) ; Comprobar que el valor vaya a L!! + LD BC,#0x7F00 ;Gate array port + LD D,#140 ;@10001100 ;Mode and rom selection (and Gate Array function) + ADD D + OUT (C),A + RET + |