HAL21
A vertically scrolling shoot 'em up from SNK.
HAL21
Télécharger HAL21
Contents of the ROM :
Technical
CPU
- maincpu Z80 (@ 3 Mhz)
- sub Z80 (@ 3 Mhz)
- audiocpu Z80 (@ 4 Mhz)
Chipset
- AY-3-8910A (@ 2 Mhz)
- AY-3-8910A (@ 2 Mhz)
Display
- Orientation Tate
- Resolution 255 x 216
- Frequency 60 Hz
Controlers
- Number of players 2
- Number of buttons 2
- Kind of controler joy (8 ways)
HAL21 Screenshots
Clones of HAL21
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HAL21 and M.A.M.E.
0.36b12 [Phil Stroffolino]
0.36b1 [Phil Stroffolino, Carlos A. Lozano]
WIP:
- 0.138u2: SftiKDL0 fixed reversed 'Cabinet' dipswitch in HAL21.
- 0.127u2: Nicola Salmoria merged HAL21 with SNK driver and fixed palette decoding of early SNK games (HAL21). The least significan bits were assigned incorrectly. Stephane Humbert fixed dipswitches and inputs for HAL21 and clone (Japan). Changed Z80 CPU1/2 clock speed to 3350000 Hz and the 2x AY-3-8912A to 2MHz. Fixed sp16_tiles rom loading. Removed 2nd coin slot.
- 0.72: Acho A. Tang installed a NMI scheduler to prevent music trashing. Removed 3rd button and coin slot.
- 0.61: Acho A. Tang added sound and improved gfx in HAL21. Changed Z80 CPU1/2 clock speeds to 4MHz and the 2x AY-8910 to 1.5MHz. Fixed prom loading. Changed 'Unknown' to 'Unused' dipswitches.
- 0.36b12: Phil Stroffolino added HAL21 (SNK 1985) and clone (Japan).
- 8th December 1999: Phil Stroffolino sent in a preliminary HAL21 driver, with wrong colors.
- 0.36b1: Phil Stroffolino and Carlos A. Lozano added HAL21 (Testdriver).
LEVELS: 1 (endless)
Romset: 163 kb / 18 files / 73.7 zip
0.36b1 [Phil Stroffolino, Carlos A. Lozano]
WIP:
- 0.138u2: SftiKDL0 fixed reversed 'Cabinet' dipswitch in HAL21.
- 0.127u2: Nicola Salmoria merged HAL21 with SNK driver and fixed palette decoding of early SNK games (HAL21). The least significan bits were assigned incorrectly. Stephane Humbert fixed dipswitches and inputs for HAL21 and clone (Japan). Changed Z80 CPU1/2 clock speed to 3350000 Hz and the 2x AY-3-8912A to 2MHz. Fixed sp16_tiles rom loading. Removed 2nd coin slot.
- 0.72: Acho A. Tang installed a NMI scheduler to prevent music trashing. Removed 3rd button and coin slot.
- 0.61: Acho A. Tang added sound and improved gfx in HAL21. Changed Z80 CPU1/2 clock speeds to 4MHz and the 2x AY-8910 to 1.5MHz. Fixed prom loading. Changed 'Unknown' to 'Unused' dipswitches.
- 0.36b12: Phil Stroffolino added HAL21 (SNK 1985) and clone (Japan).
- 8th December 1999: Phil Stroffolino sent in a preliminary HAL21 driver, with wrong colors.
- 0.36b1: Phil Stroffolino and Carlos A. Lozano added HAL21 (Testdriver).
LEVELS: 1 (endless)
Romset: 163 kb / 18 files / 73.7 zip
